- test-drb@ccmp.vtda.org - classiccmp.org

by cfandt＠servtech.com

In the MicroPDP-11/73 that I got in the great haul there's an Emulex quad board which I want to identify. An identifying number on it is C3987-C. Two 50-pin headers are on the edge pointing to the back. No cables attached. Stuff obviously has been swiped >from this system.

28 years, 1 month

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How many computers?

by franke＠sbs.de

> BBC Microcomputer Model B-plus B-plus ? Never heard of it or is this jus another motherboard revision ? > Torch Z80 Card x 2 ?? same here. Gruss H. -- Ich denke, also bin ich, also gut HRK

28 years, 1 month

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How many computers?

by pete＠dunnington.u-net.com

On Jul 15, 0:47, Christopher Denham wrote: > I have a Torch its a big box 2 5 1/4 drives plugs into the Tube of > the BBC and runs msdos about half the speed of a XT ......... That sounds like a Graduate. There were several Torch units; the original was a Eurocard-sized Z80 processor that fitted inside the BBC and came with dual double-sided 80-track drives in a case styled to fit under the Beeb. Notorious for noisy head solenoids and a rather iffy SMPSU. Then came the Graduate, based on an 8086 (?), followed by the Unicorn, which was a repackaged Beeb with a Z000 (? or 68000?) running a Xenix derivative. -- Pete Peter Turnbull Dept. of Computer Science University of York

28 years, 1 month

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taking care of bad sectors... easy stuff. Was: Re: hard

by jeff.kaneko＠ifrsys.com

At 09:37 AM 7/15/98 -0500, you wrote: E-Mail Me privately, at: jeff.pat(a)mindspring.com Jeff >OK, easy on that anti-MS stuff. Kai might be reading :) Anyway, Scandisk >is useful for erasing lost files which is all I use it for. Does anyone >have an old copy of Spinrite or know of a place where I could get it? >How much does the latest one go for? > >>I truely hate the brain-damaged program >>ScanDisk as nothing more than a Trojan Horse! Microsoft should have >>known better than to put out something like that. I have *never* had a >>problem with Spinrite although that probably includes only a few >hundred >>drives I have worked on. >> > > >______________________________________________________ >Get Your Private, Free Email at http://www.hotmail.com >

28 years, 1 month

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MAD Computer

by jeff.kaneko＠ifrsys.com

At 10:01 AM 7/15/98 -0500, you wrote: I'll bet I know-- My MAD-1 (nee TELEX 1186) had a card with such a BNC connector. It was used for connectivity with IBM mainframes (3720 Emulation?), and pretty much useless for anything else. Jeff >Speaking of TELEX, they once had the tan-colored 286 boxes, pretty >small, with only a 3.5" fdd and a hardcard. They had a BNC connector >emanating from the motherboard. Does anyone know what that was for? If >it's a network card, does anyone know about drivers? > >>I once had one of these nasty little beasties. In fact, it was >>a rare version that was badged for TELEX/Memorex. It used an >>80186 CPU-- It was fast, at least to me, anyway (although >>I don't recall the clock speed). > > >______________________________________________________ >Get Your Private, Free Email at http://www.hotmail.com >

28 years, 1 month

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Atari 800 (was free atari in Sacremento)

by SUPRDAVE＠aol.com

In a message dated 98-07-15 05:19:21 EDT, thomas pfaff put forth: << What always amazed me was this huge aluminum casting at the center of the machine where you inserted the BASIC and game cartridges. That casting must have added significant cost to manufacturing the >> well, my atari 400 is the same way. ive never seen a computer with so much metal in it like that. perhaps it was for emissions issues? the 400 had that dreadful keypad too so i can imagine even the best typist could only type about 1-2cps. david

28 years, 1 month

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C64 parts

by manney＠lrbcg.com

I've several junk C64's I have been saving, if you want parts from them. manney(a)lrbcg.com "Enough is abundance to the wise." -- Euripides >Anyone know a good source of C64/C128 parts in the US (the chips >mostly). I have a C128 and two C64s that are going to require >replacement chips and I have no idea where to get them. > >Thanks >Tony > > >

28 years, 1 month

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Rare vs. Desirable

by fmc＠reanimators.org

> What is it with Apple and clear plastic cases anyways? I think I remember > clear plastic Apple ]['s at dealers. Did Apple do this for all of their > models? I remember clear plastic Apple ][ lids. In fact I think I remember seeing them for sale in Computerland in Rockville, MD way long ago, but can't recall whether they were made by Apple or just made to fit. Just the thing to show off your new computer inside its boring beige case. Apple is not alone in the clear-plastic business. I've seen clear cases for some older HP calculators from the mid-to-late 1970s. -Frank McConnell

28 years, 1 month

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Off-topic informational anti-spam anecdotal

by dastar＠ncal.verio.com

This is totally off-topic but this is the kind of thing you all can appreciate, and it may even help some of you. For the last several months I have constantly been spammed by what can be described as Son-of-Spamford. There's some spam e-mail software marketing company in Los Angeles that sends out millions of these messages I guess. They use web crawlers that steal e-mail addresses from web pages. They then send out this spam letter with forged headers and false return addresses. Very annoying. However, they do include a phone number and address at the end of the spam. Interesting. I've included the message at the end of this message so you can see if you've been spammed by these assholes as well. I was so incensed at one point that I was almost going to buy a plane ticket, fly down to L.A. with a box full of this spam e-mail printed out, kick the door open to the office that these guys are in, find the president of this "company", beat the shit out of him (or pimp-slap her), then start shoving the printouts down this person's throat (yes, this is rather violent :) But I soon figured out that the address was merely a private mailbox, and the phone number rings into a voicemail box. Hmmm. Well, I have the resources to find out where this number rings in to, possibly track down the service provider, but then what? Then I realized, "Hey, I have a PBX, a T-1 and a voicemail system with 16 ports...its time to have some fun." Thus sprang forth the Spaminator! The Spaminator is something I threw together in about 10 minutes. What the Spaminator does is call the offendor's number, wait for the voicemail to answer, dial a digit to cut thru the outgoing message, then it starts singing simple tunes by playing "spam" in different notes. I recorded a "spam" scale with my own voice. Basically I sang "spam" starting from A and going to G. I created 10 different song files, with simple tunes such as "Mary Had a Little Spam", "Twinkle Twinkle Little Spam", "Happy Spamday", "We Shall Overcome (the spam)", "Jingle Spam", "Popeye the Sailor Spam", and a few others. The Spaminator randomly selects three spam tunes to play for each call. It plays the tunes, then hangs up and calls right back up again. The Spaminator is currently running, filling up the spammers voicemail box with spam tunes. Hopefully, it will fill up the voicemail box and they won't be able to receive any other messages. Also, it will bring them much anguish as they constantly try to delete these messages that don't stop coming. The last I checked the Spaminator had played over 100 spam tunes into their voicemail box. I am ecstatic. The Spaminator will continue to run over night. Tomorrow morning I will check its progress (it keeps a log of all tunes it plays so I know how many it did). If anyone is interested in utilizing the Spaminator for spaminating other egregious spammers, let me know. I can easily program it to simultaneously call out to other phone numbers and sing a symphony of spam for them as well. I hope that my simple solution brings some manner of grief to these idiots, whoever they are. Ideally it will give them more anguish than their constant barrage of spam has brought me. I will not relent. My next step is to try and track down the actual owners of this "business", try to find out their other phone numbers (preferrably home numbers) and unleash the Spaminator on those numbers as well. Thanks for letting me vent. Sam Alternate e-mail: dastar(a)siconic.com ------------------------------------------------------------------------------- Ever onward. September 26 & 27...Vintage Computer Festival 2 See http://www.siconic.com/vcf for details! [Last web page update: 07/05/98] ---------- Forwarded message ---------- Date: Mon, 13 Jul 1998 16:16:46 -0700 From: "***Bull*sEye)*" <33rq2w(a)att.net> To: vcoffey(a)bu.edu Authenticated sender is <33rq2w(a)att.net> Subject: ++BullsEye-*Targeting*Software*)+ Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit EMAIL MARKETING WORKS!! Bull's Eye Gold is the PREMIER email address collection tool. This program allows you to develop TARGETED lists of email addresses. Doctors, florists, MLM, biz opp,...you can collect anything...you are only limited by your imagination! You can even collect email addresses for specific states, cities, and even countries! All you need is your web browser and this program. Our software utilizes the latest in search technology called "spidering". By simply feeding the spider program a starting website it will collect for hours. The spider will go from website to targeted website providing you with thousands upon thousands of fresh TARGETED email addresses. When you are done collecting, the spider removes duplicates and saves the email list in a ready to send format. No longer is it necessary to send millions of ads to get a handful of responses...SEND LESS...EARN MORE!!! A terrific aspect of the Bull's Eye software is that there is no difficult set up involved and no special technical mumbo-jumbo to learn. All you need to know is how to search for your targeted market in one of the many search engines and let the spider do the rest! Not familiar with the search engines? No problem, we provide you with a list of all the top search engines. Just surf to the location of a search engine on your browser then search for the market you wish to reach...it's that easy! For instance if you were looking for email addresses of Doctors in New York all you would do is: 1) Do a search using your favorite search engine by typing in the words doctor(s) and New York 2) Copy the URL (one or more)...that's the stuff after the http://... for instance it might look like http://www.yahoo.com/?doctor(s)/?New+York 3) Press the START button THAT's IT!!! The Bull's Eye spider will go to all the websites that are linked, automatically extracting the email addresses you want. The spider is passive too! That means you can let it run all day or all night while you are working on important things or just having fun on your computer. There is no need to keep a constant watch on it, just feed it your target market and give it praise when it delivers thousands of email addresses at the end of the day! Features of the Bull's Eye Software: * Does TARGETED searches of websites collecting the email addresses you want! * Collects Email addresses by City, State, even specific Countries * Runs Automatically...simply enter the Starting information, press The Start Button, and it does the rest * Filters out duplicates * Keeps track of URLs already visited * Can run 24 hours per day, 7 days per week * Fast and Easy List Management * Also has built in filtering options...you can put in words that it "Must" have while searching,...you can even put in criteria that it "Must NOT Have"...giving you added flexibility * Also imports email addresses from any kind of files (text files, binary files, database files) * List editor handles Multiple files to work on many lists simultaneously * Has a Black-Book feature... avoid sending emails to people who do not want to receive it * Built-in Mail program...send email directly on the internet with just a click of your mouse * Personalized Emails...if the email address has the user's name when it is collected,..you can send Personalized emails!!! * Sort by Location, Server, User Name, Contact Name * Advanced Operations: · Email address lists export in many different formats (HTML, Comma delimited, text file) · Advanced editing...Transfer, Copy, Addition, Delete, Crop, Move to Top/Bottom · Operations between lists...Union, Subtraction, Comparison * Program is Passive,...meaning you can run other programs at the same time CALL FOR MORE INFORMATION 213-427-5820 CALL FOR MORE INFORMATION 213-427-5820 ORDERING INFORMATION Customer Name Company Name Address City State Zip Phone Fax Email Address ______ BULL'S EYE SOFTWARE $259.00 Includes Software, Instructions, Technical Support ______ Shipping & Handling (2-3 Day Fedex) $10.00 (Fedex Overnite) $20.00 ______ TOTAL (CA Residents add applicable sales tax) *All orders are for Win 95 and Win NT *****CREDIT CARDS ACCEPTED***** MASTERCARD VISA AMEX PLEASE CALL 213-427-5820 to process your order 9am-5pm Pacific Time Checks or Money Orders send to: WorldTouch Network Inc. 5670 Wilshire Blvd. Suite 2170 Los Angeles, CA 90036 Please note: Allow 5 business days for all checks to clear before order is shipped. *If you would like your email address removed, please write us at the above address.

28 years, 1 month

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Help ID Emulex quad module(here's more info...)

by pete＠dunnington.u-net.com

On Jul 15, 15:01, Christian Fandt wrote: > This is "tomorrow". More details from that silvery sticker: > > "TOP ASSY TC0210201-FSH" > "S/N 93395" > "Sub ASSY C3987 C" > > Hmmm, that Top Assy number has TC02 in it Tim. Also, when looking at the > board from the component side up, edge fingers downward, there is a male > 26-pin header at top left and a male 20-pin header at top right. In top > center is a 4-position DIP switch (SW1) and a single LED (CR1). Just to > left of center and downward there are SW2 and SW3 which are both > 10-position DIP switches. "C3987" is on a small bar coded sticker under the > left-hand 50-pin header. > > With that TC02 in the Top Assy number would that mean this is indeed a TC02 > tape I/F as you figured? It's exactly the TC02 that I have (and have the manual for). The two male headers you mentioned are for diagnostics connections the factory used. It can handle up to 4 tape drives (that's what 4 of 10-way DIP switch are for). I can dig out the manual for you next week -- sorry, this week is too hectic to do it right now. You might want to send me some private email to remind me, of course :-) > If so what tape drive model(s) should I be looking for? Any Pertec-interface drive. Kennedy drives were popular. -- Pete Peter Turnbull Dept. of Computer Science University of York

28 years, 1 month

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Off-topic informational anti-spam anecdotal

by poesie＠geocities.com

Speaking of, does *67 cost? I've been up to the same pranks as Sam, w/ a local "mass marketer." I vaguely recalled it being a feature that cost nothing, but I never was sure. Sorry to keep this thread going, as humourous as it is :) -Eric >Don't forget to dial *67 or whatever the sequence is in your area to >disable the caller ID from being passed on to the recipient. If not, >they may have proof of your harrassing phone calls (and I'm sure such >slime would resort to it...) > > Megan Gentry

28 years, 1 month

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Off-topic informational anti-spam anecdotal

by peacock＠simconv.com

Here in Nevada a new anti-spam law just went into efect on July 1. Unsolicited commercial email, if sent after you request it to stop, is now a $5 (five dollars, that was not a typo) fine. I'm sure that will keep those spammers out of my mailbox. Jack Peacock -----Original Message----- From: Max Eskin [mailto:maxeskin@hotmail.com] Lawsuits are more effective because if he continues to do it, he'll lose all the money he made, maybe even go to jail.

28 years, 1 month

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C64 parts

by Anthony.Dellett＠Staples.com

Okay, I'm gonna come right out and ask it... Anyone know a good source of C64/C128 parts in the US (the chips mostly). I have a C128 and two C64s that are going to require replacement chips and I have no idea where to get them. Thanks Tony

28 years, 1 month

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How many computers?

by mbg＠world.std.com

>Speaking of books, >has anyone seen the book "We Built our own Computers" by A.B. Holt, >Cambridge Univ. Press, published about 1966. I remember one from years ago which was how to build (and program) a simple computer using paperclips and lights... (and a program 'drum' made out of a coffee can). I think I still have it... is this what you're thinking of? Megan Gentry Former RT-11 Developer +--------------------------------+-------------------------------------+ | Megan Gentry, EMT/B, PP-ASEL | Internet (work): gentry(a)zk3.dec.com | | Unix Support Engineering Group | (home): mbg(a)world.std.com | | Digital Equipment Corporation | | | 110 Spitbrook Rd. ZK03-2/T43 | URL: http://world.std.com/~mbg/ | | Nashua, NH 03062 | "pdp-11 programmer - some assembler | | (603) 884 1055 | required." - mbg | +--------------------------------+-------------------------------------+

28 years, 1 month

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hard drive data recovery

by maxeskin＠hotmail.com

I'm not sure what that means, but I assume that the servo surface contains a sort of coordinate system that the servo head reads and thus guides the other heads. If that assumption is correct, why isn't it possible to realign the thing with another servo platter? >Of course if it's a drive with a separate servo surface and the servo >head is the one that's crashed then you lose everything. > >-tony > > ______________________________________________________ Get Your Private, Free Email at http://www.hotmail.com

28 years, 1 month

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just wondering

by rcini＠email.msn.com

Well, I have DOS 1.1 (May, 1982) and Windows 1.03. In fact, I'm in the process of de-compiling DOS 1.1, now. BootSector: done. IBMBIO: 75% done. IBMDOS: not started yet. I'm still looking for DOS 1.0. In fact, I have copies of many true-IBM dos-es (not OEM versions). Rich Cini/WUGNET <nospam_rcini(a)msn.com> - ClubWin! Charter Member - MCP Windows 95/Windows Networking - Preserver of "classic" computers <<<< ========== reply separator ========== >>>>>

28 years, 1 month

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taking care of bad sectors... easy stuff. Was: Re: hard

by allisonp＠world.std.com

< A more "classic"-related question related to some faded brain < cell connections in my head: Wasn't there once a CP/M version of < the Norton utilities, long before the IBM PC was even a glimmer < in its parent's eyes? There were several for CP/M, apple][ and trs80. Most were bad sector scanners and disk editors. Very useful though as TRS80 and most cp/m crates with external drive would write garbage to any externally powered disks if the system was powered off with media in the drive. Alison

28 years, 1 month

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How many computers?

by maxeskin＠hotmail.com

Let me tell you why one of my keyboards now has an 'enter' key with the corner smashed off by a hammer: the damn Packard Bell with all integrated serial ports, hard disk controller, etc. wouldn't let me set my modem up on COM2 or COM4. Plus, this took very long to verify because the hard disk controller makes the IDE act like a C= 1541. >> I will say this, though: At this point in the evolution of computers, if >> you find users of your systems are wanting regularly to add on more than >> three (or so) cards or sidecar modules, you have drastically misevaluated >> your target market and deserve to start haemorrhaging market share. IMO. > >No way!. Maybe for the average consumer PC (build the disk controllers, >serial/parallel ports, etc into the motherboard), but in my case I'll >want all sorts of strange special-purpose cards (user I/O, ADC, I2C, >special disk controllers, etc, etc, etc). > >I've managed to fill the 14 slots in a PC/XT+expansion chassis and still >wanted more!. BTW, is it possible to build one of those? How does it work? >> Those don't count. (: Even the monitor and power supply hookups are BERG >> strips. Sick. What is a BERG strip? ______________________________________________________ Get Your Private, Free Email at http://www.hotmail.com

28 years, 1 month

2
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Off-topic informational anti-spam anecdotal

by franke＠sbs.de

> Here in Nevada a new anti-spam law just went into efect on July 1. > Unsolicited commercial email, if sent after you request it to stop, is > now a $5 (five dollars, that was not a typo) fine. I'm sure that will > keep those spammers out of my mailbox. USD five ? HoHoHo. Stoping after request isnt exactly whats needed - The SPAM is already done. And getting a replay will make the address more valuable: now it is validates - the spammer now could sell the address to s.o. else for a single usage without any fear of beeing prosecuted. And you could still spamm the other people. And even if - Send out 5000 SPAMs and get 10 complains and pay USD 50 - thats USD 0.01 per 'customer contact' still _very_ cheap. I don't know if you ever looked into marketing, but companies are paying up to USD 20.00 for a singe use of ONE address. I don't think ths law will have any impact - very spaming friendly. Just done to get votes but avoide any change. Gruss H. -- Ich denke, also bin ich, also gut HRK

28 years, 1 month

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Off-topic informational anti-spam anecdotal

by mbg＠world.std.com

>Thus sprang forth the Spaminator! The Spaminator is something I threw >together in about 10 minutes. What the Spaminator does is call the >offendor's number, wait for the voicemail to answer, dial a digit to cut >thru the outgoing message, then it starts singing simple tunes by playing >"spam" in different notes. I recorded a "spam" scale with my own voice. >Basically I sang "spam" starting from A and going to G. Don't forget to dial *67 or whatever the sequence is in your area to disable the caller ID from being passed on to the recipient. If not, they may have proof of your harrassing phone calls (and I'm sure such slime would resort to it...) Megan Gentry Former RT-11 Developer +--------------------------------+-------------------------------------+ | Megan Gentry, EMT/B, PP-ASEL | Internet (work): gentry(a)zk3.dec.com | | Unix Support Engineering Group | (home): mbg(a)world.std.com | | Digital Equipment Corporation | | | 110 Spitbrook Rd. ZK03-2/T43 | URL: http://world.std.com/~mbg/ | | Nashua, NH 03062 | "pdp-11 programmer - some assembler | | (603) 884 1055 | required." - mbg | +--------------------------------+-------------------------------------+

28 years, 1 month

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Europe tour

by wanderer＠bos.nl

If they still have it, the is an old PDP in the Utrecht office of Digital. As far as I can remember (have seen it at least 10 years ago) it's blue, has 3 panels and the centerpanel has a round tube (a scope tube?). There were also a lot of switches on the panels. I believe that the University in Utrecht has a museum of some sort with various computers which they used over the years. You might like to go to the Waterloo square in Amsterdam, every Monday till Friday there is a flea market, and certainly there will be some vintage stuff for sale. Ed

28 years, 1 month

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taking care of bad sectors... easy stuff. Was: Re: hard

by maxeskin＠hotmail.com

First of all, I think that the latest Norton Utilities are soooo bloated, they possibly won't even run on a damaged computer. High-res pictures of your computer components are the latest thing you need when you can't find a vital data file. For example, what good is it to have a data recovery program you can't run if you just formatted your hard drive? That said, I think NU is a good tool, but Spinrite is still better than NDD. >First of all MS didn't write scandisk... anyone that uses norton tools >should recognize it. it a stripped vendor version the norton tool. > >I have had excellent success with norton tools and still used copies >I've had for over 8years. > >Allison > > ______________________________________________________ Get Your Private, Free Email at http://www.hotmail.com

28 years, 1 month

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MAD Computer

by franke＠sbs.de

>>Does anyone have a MAD Computer? It was just another boring peecee > MAD = Magnetic Anomoly Detector > Or in other words it's used in Anti-Submarine Warfare. NoNo. MAD = Militaerischer Abschirmdienst (military counter inteligence) > (Sorry couldn't resist, yes I realize in this case this isn't what you meant.) dto :) H. -- Ich denke, also bin ich, also gut HRK

28 years, 1 month

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Anyone out there have...

by Anthony.Dellett＠Staples.com

A deceased C128 that would be willing to give up it's keyboard? I need a replacement for the C128 I'm refurbing. Thanks Tony

28 years, 1 month

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Off-topic informational anti-spam anecdotal

by peacock＠simconv.com

This is a case of the law being intended (originally) for quite different purposes. The story behind it is that the Nevada Legislature has an email system where the public can send comments to the lawmakers when the Legislature is in session (every other year for a few months). It seems last year someone flamed one of the senior politicians, he got pissed off, claimed it was racially motivated hate mail and tried to outlaw flaming. Someone (the state attorney general) pointed out to him his proposed law violated both free speech and right to petition for redress in the Constitution, but he wouldn't back down and withdraw his bill, so to keep it legal it was changed to an anti-spam law, and in theory flame mail can be legally defined as spam too. No one expects this law to ever be enforced. Jack Peacock -----Original Message----- From: Hans Franke [mailto:franke@sbs.de] USD five ? I don't think ths law will have any impact - very spaming friendly. Just done to get votes but avoide any change.

28 years, 1 month

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I'm back!

by kyrrin＠jps.net

Yes, I have returned. Lord Almighty, what a haul!! I can say with confidence that I definitely tested the maximum load specs for the (rented) Ford Windstar minivan. Every time I went over a good bump, the rear springs -almost- bottomed out. I'll be updating my web page soon with the gory details. Suffice to say I've got more than enough to keep me going, project-wise, well into next year. Among the more 'classic' items in the haul were a Kennedy 9100 tape drive installed in a nice 5-foot DEC rack, and a box full of 9-track tapes containing mostly DECUS RT-11 SIG libraries. Tony, I know you'll get a kick out of this. I also got hold of another 11/44 CPU box, loaded with cards (including a Unibus UDA50 disk controller). Between that one and my current unit, I should be able to get the power supply going AND fix the broken one for a spare! Since I'm not heavily into RT-11 (yet), I'd like to offer the RT-11 SIG tapes to whoever's interested and willing to pay shipping. There's about six or so, maybe a couple more. And would you believe I'm already planning next year's run? I know I'll see at least some of you at VCF in another couple of months. Until then... Banzai! ;-) -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- Bruce Lane, Sysop, The Dragon's Cave BBS (Fidonet 1:343/272) (Hamateur: WD6EOS) (E-mail: kyrrin(a)jps.net) "Our science can only describe an object, event, or living thing in our own human terms. It cannot, in any way, define any of them..."

28 years, 1 month

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hard drive data recovery

by allisonp＠world.std.com

< Alright for some :-). Alas most of us don't have access to a clean room. < Even if I was working at a place which had one, I can't believe they'd be < too happy if I wandered in with an HDA and started stripping it. Majorly true. I worked in pharmaceuticals and though they didn't use super clean rooms (class 10,000 worst case) the equipment was under a laminar airflow curtain with a flow of 100 linear feet per minute and the air under there was class 100. The air flow was obvious ly of the the machine then into the room where super clean was less important. < I would have thought looking for backscattered light would be more < sensitive and easier to set up. Still not sensitive enough for a clean < box, of course (in this form). The air flow and the sensing area cross section are important. Using a light source like a laser is helpful in getting the backscatter brighter. This is the problem of how many Angeles can dance on the end of a pin. You build a clean box and use a good HEPA filter. With 100-200cfm of incomming clean air once the dust in the box has been blown out it will be clean especially if gloved hands are the only thing inside. I'e heard a lot of "good luck", "it will not last" and "too dirty" from those that haven't. I've done it, when RD53s and 54s were in desperately short supply here and it does work without the clean box with some care. Obvious tricks like wearing nylon gloves to avoid finger prints, a canister of dry air to blow things off and keeping the unit covered when possible all reduce risk. Allison

28 years, 1 month

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1
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hard drive data recovery

by allisonp＠world.std.com

< I'm not sure what that means, but I assume that the servo surface < contains a sort of coordinate system that the servo head reads and thus < guides the other heads. If that assumption is correct, why isn't it < possible to realign the thing with another servo platter? First it depends if the servo is embedded or dedicated platter or stepper (or other absolute positioner). For dedicated platter one head is assigned as the servo head and since they are all mechanically one assembly the rest just follow along. Now if a platter is changed it's data may be offset relative to the others. Same thing is true for replacing a head as the RELATIVE alignment between heads is disturbed. This case I believer the disk can be low level formatted and reused but existant data may be lost. If servo information does not exist (DeMIL'd drive) it's likely good for parts as servo tracks are hard to regenerate. If it's embedded servo per head each head as selected will follow the selected track servo signals and making relative head alignment less critical. If the servo is blown there is no way to regenerate easily. For cases of absolute positioners like older ST506/412/225/251 (and a swarm of others) drives getting alignment to cylinder 000 and beteeen heads would be critical for complete data recovery. If the drive is to be reformatted however a bulk erase and reformat will establish new tracks in some cases and make a mess in others. In the case of removable pack drives that is a totally different can of worms though simpler as they so have alignment procedures for field or depot use. Allison

28 years, 1 month

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European Tour

by cfandt＠servtech.com

At 22:25 14-07-98 -0500, you wrote: >I'm planning to be in Europe for a week or so in October (a few days each >in Holland, Belgium, and Germany). I'd like to sneak in a few nerd-stops >along the way, and I'll make room in my suitcase for a couple of vintage >portables just in case. Any suggestions for the American nerd tourist in >Europe? > Doug, if you indeed do go to Munich to see the Deutches Museum I suggest you set aside at least a _full_ day to see only a couple of sections or several days to see most of the museum. Roller skates or rollerblades would be of great help to see more in less time<g> I'm the type of person who studies a museum and have spent two to four hours in each of the few sections I've visited during the three different visits to the Deutches Museum. As Hans just said in a previous msg in this thread, the computer section is indeed about 12,000 square feet. Loved it! Seriously, I do recommend seeing the collections at Deutches Museum to anybody who may visit Munich. Something for everybody. Check out URL: http://www.deutsches-museum.de/dme01.htm if you're interested. Have fun in Europe, --Chris -- -- Christian Fandt, Electronic/Electrical Historian Jamestown, NY USA Member of Antique Wireless Association URL: http://www.ggw.org/freenet/a/awa/

28 years, 1 month

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IBM 3380 HDA

by Marty＠itgonline.com

Yes, dual head positioners on both sides plus four twenty pin connectors on both sides as well. David is correct as well, I have confirmed this HDA is from an IBM 4381 mainframe and uses a 3880 controller. Does this HDA have a lineage that goes back to the IBM Ramac? Any idea when this HDA was introduced? It certainly will make a great paper weight. Marty ______________________________ Reply Separator _________________________________ Subject: Re: IBM 3380 HDA Author: classiccmp(a)u.washington.edu at internet Date: 7/15/98 11:07 AM At 10:59 15-07-98 -0400, you wrote: > I just acquired an IBM 3380 HDA which weighs 70 lbs, and is in a clear > plastic case. Does anybody know the lineage of this? The HDA has IBM > 390X-001 as well as 13-E8719-CJ printed on a label. Good Lord... unless I miss my guess, that's from a System/390 mainframe! Let me guess... dual head positioners on either side, yes? And big connectors with about a zillion pins? -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- Bruce Lane, Sysop, The Dragon's Cave BBS (Fidonet 1:343/272) (Hamateur: WD6EOS) (E-mail: kyrrin(a)jps.net) "Our science can only describe an object, event, or living thing in our own human terms. It cannot, in any way, define any of them..." ------ Message Header Follows ------ Received: from lists3.u.washington.edu by smtp.itgonline.com (PostalUnion/SMTP(tm) v2.1.9i(b5) for Windows NT(tm)) id AA-1998Jul15.110730.1767.51412; Wed, 15 Jul 1998 11:07:31 -0400 Received: from host (lists.u.washington.edu [140.142.56.13]) by lists3.u.washington.edu (8.8.4+UW97.07/8.8.4+UW97.05) with SMTP id IAA07163; Wed, 15 Jul 1998 08:05:18 -0700 Received: from mxu2.u.washington.edu (mxu2.u.washington.edu [140.142.32.9]) by lists.u.washington.edu (8.8.4+UW97.07/8.8.4+UW97.05) with ESMTP id IAA43306 for <classiccmp(a)lists.u.washington.edu>; Wed, 15 Jul 1998 08:05:13 -0700 Received: from repop1.jps.net (repop1.jps.net [208.25.63.34]) by mxu2.u.washington.edu (8.8.4+UW97.07/8.8.4+UW98.06) with ESMTP id IAA07964 for <classiccmp(a)u.washington.edu>; Wed, 15 Jul 1998 08:05:12 -0700 Received: from seleth (sea-port157.jps.net [209.63.189.116]) by repop1.jps.net (8.8.5/8.8.5) with SMTP id IAA07712 for <classiccmp(a)u.washington.edu>; Wed, 15 Jul 1998 08:06:06 -0700 (PDT) Message-Id: <3.0.3.32.19980715080612.00e5b9e0(a)mail.wa.jps.net> Date: Wed, 15 Jul 1998 08:06:12 -0700 Reply-To: classiccmp(a)u.washington.edu Sender: CLASSICCMP-owner(a)u.washington.edu Precedence: bulk From: Bruce Lane <kyrrin(a)jps.net> To: "Discussion re-collecting of classic computers" <classiccmp(a)u.washington.edu> Subject: Re: IBM 3380 HDA In-Reply-To: <1998Jul15.105724.1767.118953(a)smtp.itgonline.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" X-Sender: kyrrin(a)mail.wa.jps.net X-Listprocessor-Version: 8.1 beta -- ListProcessor(tm) by CREN

28 years, 1 month

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MAD Computer

by franke＠sbs.de

> On Tue, 14 Jul 1998, Thomas Pfaff wrote: >> Does anyone have a MAD Computer? It was just another boring peecee >> but I liked the name of the computer. I believe it was the fastest >> computer you could buy for some small amount of time- an early 80386 >> PC running at a whopping 16 mhz. > I e-bumped into a guy who knows *all* about MAD. I've captured some of > his knowledge for posterity: > http://www.yowza.com/classiccmp/mad/ Thanks Doug. Now I know - I have to have a MAD1 - I _must_ have any 80186/88 system ever build - just a obsession - maybe because I like the PC-D a lot .) Gruss H. -- Ich denke, also bin ich, also gut HRK

28 years, 1 month

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Off-topic informational anti-spam anecdotal

by maxeskin＠hotmail.com

A short refresher on human psychology. Most of the time, a clearly thinking person does not do anything they consider wrong. Your spammer thinks he is doing someone a favor, and your songs are disrespectful teasing of his honest attempt to make money. Lawsuits are more effective because if he continues to do it, he'll lose all the money he made, maybe even go to jail. That said, keep up the good work :) >> Lawsuits appear to be the only effective weapon so far. > >I hope that 937 spam songs (at last count this morning) will bring some >manner of cheap and effective restitution. > > >Sam Alternate e-mail: dastar(a)siconic.com >------------------------------------------------------------------------------- >Ever onward. > > September 26 & 27...Vintage Computer Festival 2 > See http://www.siconic.com/vcf for details! > [Last web page update: 07/05/98] > > ______________________________________________________ Get Your Private, Free Email at http://www.hotmail.com

28 years, 1 month

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Off-topic informational anti-spam anecdotal

by franke＠sbs.de

> I've been hit many times by the same bozos. They almost always use > unsuspecting sites as spam relays, so I've been notifying these sites and > trying to shutdown the relays. > I love the spaminator idea, but isn't your phone bill going to be pretty > high this month? Also, the way spammers retaliate against retaliators is > to include your email address as the return address in their forged > headers, so you get mail-bombed by naive spam haters. > Lawsuits appear to be the only effective weapon so far. Thats one thing I realy like about the German laws - spamming via any kind of personal device is forbidden - no fax-spam, no telex spam and no e-mail spam. Spaming is considered stealing your property, since the spammer uses your fax paper and your power line to print his message, and/or your time to check and delete spam. And theft is just unlawful :) After just 4 or 5 court ruleings spamming _IN_ Germany is almost zero - we just have SPAM from outside the country like senseless US-Spamm :) Gruss H. -- Ich denke, also bin ich, also gut HRK

28 years, 1 month

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Off-topic informational anti-spam anecdotal

by maxeskin＠hotmail.com

Here in the US, we're spammed by the government, too. Though I'm under 18 and not a US citizen besides, I've gotten at least 30 requests for jury duty. BTW, what is the earliest incidence of e-mail spam? >After just 4 or 5 court ruleings spamming _IN_ Germany is >almost zero - we just have SPAM from outside the country >like senseless US-Spamm :) > >Gruss >H. > >-- >Ich denke, also bin ich, also gut >HRK > ______________________________________________________ Get Your Private, Free Email at http://www.hotmail.com

28 years, 1 month

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IBM 3380 HDA

by SUPRDAVE＠aol.com

In a message dated 98-07-15 10:58:12 EDT, you write: << I just acquired an IBM 3380 HDA which weighs 70 lbs, and is in a clear plastic case. Does anybody know the lineage of this? The HDA has IBM 390X-001 as well as 13-E8719-CJ printed on a label. >> hmmm, i remember seeing 3380/3880 dasd units back in 1992 when i was a computer operator running an IBM 4381 and later an ES9000. kinda useless for a pc although fascinating to look at. belt drive and everything! david

28 years, 1 month

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MAD Computer

by maxeskin＠hotmail.com

Speaking of TELEX, they once had the tan-colored 286 boxes, pretty small, with only a 3.5" fdd and a hardcard. They had a BNC connector emanating from the motherboard. Does anyone know what that was for? If it's a network card, does anyone know about drivers? >I once had one of these nasty little beasties. In fact, it was >a rare version that was badged for TELEX/Memorex. It used an >80186 CPU-- It was fast, at least to me, anyway (although >I don't recall the clock speed). ______________________________________________________ Get Your Private, Free Email at http://www.hotmail.com

28 years, 1 month

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MAD Computer

by maxeskin＠hotmail.com

Clearly a very innovative company. It would be nice if all PC clone manufacturers added a little of their own abilities (well, perhaps not :) to their computers. > http://www.yowza.com/classiccmp/mad/ > >-- Doug > > ______________________________________________________ Get Your Private, Free Email at http://www.hotmail.com

28 years, 1 month

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taking care of bad sectors... easy stuff. Was: Re: hard drive data recovery

by maxeskin＠hotmail.com

OK, easy on that anti-MS stuff. Kai might be reading :) Anyway, Scandisk is useful for erasing lost files which is all I use it for. Does anyone have an old copy of Spinrite or know of a place where I could get it? How much does the latest one go for? >I truely hate the brain-damaged program >ScanDisk as nothing more than a Trojan Horse! Microsoft should have >known better than to put out something like that. I have *never* had a >problem with Spinrite although that probably includes only a few hundred >drives I have worked on. > ______________________________________________________ Get Your Private, Free Email at http://www.hotmail.com

28 years, 1 month

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RP06 alignment

by mbg＠world.std.com

>A friend has an RP06, an alignment pack, and the alignment tool, but >lacks the instructions to do the deed. >Anyone got the manual that describes the procedure, or know how? Have your friend contact me off-line at work... I may have some RP06 manuals in my collection. Maybe one of them is a maintenance guide which explains it... Megan Gentry Former RT-11 Developer +--------------------------------+-------------------------------------+ | Megan Gentry, EMT/B, PP-ASEL | Internet (work): gentry(a)zk3.dec.com | | Unix Support Engineering Group | (home): mbg(a)world.std.com | | Digital Equipment Corporation | | | 110 Spitbrook Rd. ZK03-2/T43 | URL: http://world.std.com/~mbg/ | | Nashua, NH 03062 | "pdp-11 programmer - some assembler | | (603) 884 1055 | required." - mbg | +--------------------------------+-------------------------------------+

28 years, 1 month

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taking care of bad sectors... easy stuff. Was: Re: hard drive data recovery

by maxeskin＠hotmail.com

Spinrite is most famous for low-level formatting, which is only allowed on old MFM drives, most IDE drives have a sticker that says "Do not low-level format this drive". When I used a Model D with a hardcard, I loved this program. I ran it twice a day because I had nothing else to do :) As for bad sectors, what's up with that? Why is it that sometimes a bad sector will be marked bad, then I can format a drive and have it use those 'bad sectors' just fine? > > well, I personally have never opened up a hard drive, if nothing else >because I've never had an extra to pop open (i'm too frugal. hehe.) > > Regardless, I have found the program "Spinrite" to work great on IDE >drives; it goes through and can fix bad sectors, or mark them totally >unusable. this really differs from standard formats/etc, because I've been >able to take drives w/ 30mb of bad sectors and get it to 0 bad sectors, and >still running fine w/ no problems after a year. i believe they are on >version 5, i got version 4 for about 20 bucks. This is kind of off-topic and >doesn't cover a whole lot of you out there, but when you buy a box of 100 >drives that are all "bad", you can sometimes salvage quite a few of them. > > >-Eric > > ______________________________________________________ Get Your Private, Free Email at http://www.hotmail.com

28 years, 1 month

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MAD Computer

by jeff.kaneko＠ifrsys.com

I once had one of these nasty little beasties. In fact, it was a rare version that was badged for TELEX/Memorex. It used an 80186 CPU-- It was fast, at least to me, anyway (although I don't recall the clock speed). The Powersupply and floppy drives were in one unit, and the CPU was in another. It had a CGA compatible display adaptor. It also had what appeared to be an ISA bus, but most stock PeeCee cards would cause problems. I hacked this one by adding an 8-bit Hard disk controller, and disabling the HDC bios ROM. There was support for the HDC in the MAD-186 ROM, but the harddisk was not a standard option (AFAIK). I think this is the only computer I ever destroyed on purpose, and out of spite, no less. When we bought our 1st '286, my wife urged me to give the MAD to her brother. I really should have resisted, because the thing became a support nightmare. "Can I put a joystick on this?" "Uhh, whats an 'ERROR TRAP'?" "Uhh, RatRacer keeps locking up, can you fix this?" The computer got passed around the family, and I finally ended up with it about three years ago, when it was summarily smashed into little pieces-- retribution for countless sleepless nights when I had to play 'Tech Support'. I had been driven to the edge of MADness. Needless to say I wasn't into CLASSICS yet. I DID save the part with the PS and flopy disk drives, though . . . Jeff At 11:29 PM 7/14/98 -0500, you wrote: >Does anyone have a MAD Computer? It was just another boring peecee >but I liked the name of the computer. I believe it was the fastest >computer you could buy for some small amount of time- an early 80386 >PC running at a whopping 16 mhz. > >Just curious... I just like the concept... >Perhaps they should have used the slogan... > >"Everyone should have a MAD computer in their home!" > >Or perhaps not... > >Thomas >

28 years, 1 month

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How many computers?

by Anthony.Dellett＠Staples.com

> From: ard(a)p850ug1.demon.co.uk [mailto:ard@p850ug1.demon.co.uk] > Sent: Tuesday, July 14, 1998 2:14 PM > To: Discussion re-collecting of classic computers > Subject: Re: How many computers? > > > > > > Actually, there is a little known difference on the power > supply board > > between a beige Mac plus and a Platinum Mac Plus. Just a > diode but boy > > Were they both Capetronics designs? The one in my Mac+ (is > there an easy > way to tell them apart when it's been dicoloured by sunlight...) is. > > Where is the diode connected between, and which version has it? > I really dont remember where it is. This was back in 1988 or so :) Tony

28 years, 1 month

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IBM 3380 HDA

by Marty＠itgonline.com

I just acquired an IBM 3380 HDA which weighs 70 lbs, and is in a clear plastic case. Does anybody know the lineage of this? The HDA has IBM 390X-001 as well as 13-E8719-CJ printed on a label. Thanks, Marty

28 years, 1 month

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MAD Computer

by thomas100＠home.com

Does anyone have a MAD Computer? It was just another boring peecee but I liked the name of the computer. I believe it was the fastest computer you could buy for some small amount of time- an early 80386 PC running at a whopping 16 mhz. Just curious... I just like the concept... Perhaps they should have used the slogan... "Everyone should have a MAD computer in their home!" Or perhaps not... Thomas

28 years, 1 month

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European Tour

by franke＠sbs.de

> I'm planning to be in Europe for a week or so in October (a few days each > in Holland, Belgium, and Germany). I'd like to sneak in a few nerd-stops > along the way, and I'll make room in my suitcase for a couple of vintage > portables just in case. Any suggestions for the American nerd tourist in > Europe? Hmm, couldn't you be a bit more specific ? A few days in Germany is like saying 'visiting Alaska and BC and maybe some days on the West Coast' ... Oh Boy, Germany is more than 700 miles 'high' and up to 500 'wide' (nowadays:). Ok, for historic nerds there are at least 3 main places: - Museum fur Verkehr und Technik in Berlin - here you can find (beside a small display) a _complete_ replica of the Zuse Z1 computer - the first computer - and all mechanical :) - The Heinz Nixdorf Museum in Paderborn (a small city middle of nowhere) - They have a real comprehensive display. The single largest in Germany. A lot of small systems from the 70's - Of course since this museum started out as a company nuseum of Nixdorf. - The Deutsches Museum in Munich - THE science museum - I think #1 worldwide - the only thing coming close anyhwere might be the Smithonian Collections. A museum about almost anything. Also including a small Computer display - some 12,000 sqft. They have things like Zuse Z3 replika, Z22, Siemens 2002, PERM, IBM 360/20, TR4, Mark 1...realy impressiv. Althrough I think the modern part is a bit .. hmm .. lets say more like a junk yard - only a PC and a PET hidden in a sidecase and other random parts ... :( - They (the Deutsches Museum) opened a subsidary in Bonn some time ago (Kohl wanted to have such things in hs 'capitol' city :) - But this museum is nice, and well done, but more political/modern historical orientated - only 3 pices are special computer orientated: parts of a Z23 computer (afair the drum), some boxes of the SUPRENUM Project, and a 1 meg chip from VEB Forschungszentrum Mikroelektronik Dresden - the last East German high tech product - they almost ruined their industry - any research money available and a lot more was spend for this development. Beside these, maybe the RWTH in Aaachen (Aachen university) could be an interesting place - they have a small display of big old stuff ... Aachen, Bonn and Paderborn might be close enough to the westen border (Begique/Holland). Oh yes, and maybe send Stefan Walgenbach <walgen(a)do.isst.fhg.de> a mail - he is building the HCM (Home Computer Museum) in Oberhausen, thats just 60km east of the Dutch border. Maybe he invites you to see his collection of classic 80's small and home- computers - he has a big heap of european (English, French and German) home computers. Some hints about your planned tour would help. And if you come to Munich (Deutsches Museum) I would be glad to show you the museum, the city and bragg with my collection :) Servus H. -- Ich denke, also bin ich, also gut HRK

28 years, 1 month

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Painting Macs (was: fake next)

by peacock＠simconv.com

DEC actually tried something like that in the late 70's, they had an option for some kind of designer pattern painted on small racks going into office environments. I think it only lasted a few months, but I do remember getting the brochures from DEC (company was an OEM from DEC at the time). Response was underwhelming. Personally, if it isn't beige or blue I don't consider it a "real" computer. When DEC went to the black racks and purple lettering (hmm, early 70s?) that was too radical for me, I was glad to see a return to the traditional beige rack. DEC did have a nice desk with a builtin short rack, it was sold with PDP-8s used for small business office applications. It looked like a regular desk, but the left side was actually a 19" wide rack. It held a BA-11 and a dual 8" floppy box. For our customers that was more popular than the "designer" panels. Jack Peacock -----Original Message----- From: Tom Owad [mailto:tomowad@earthlink.net] Sent: Tuesday, July 14, 1998 9:19 AM To: Discussion re-collecting of classic computers Subject: Re: Painting Macs (was: fake NeXT) >I have this weird idea that one day custom paint jobs on computers might >make me some extra money. Am I crazy? Do you think there would ever be a >market for it?

28 years, 1 month

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Off-topic informational anti-spam anecdotal

by allisonp＠world.std.com

< I love the spaminator idea, but isn't your phone bill going to be pretty < < Lawsuits appear to be the only effective weapon so far. < Sam, If traced back to you, the action you've taken is covered by law so you could be at risk. I agree that bunch is a problem as are the earthlink sex girls that are apparently not anywhere from earthlink. Allison

28 years, 1 month

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hard drive data recovery

by allisonp＠world.std.com

< Now, my question. Let's say a single head crashes. This would raise up < some dust off the platter, right? Would it be possible to recover the < material that wasn't destroyed by the dragging head? What if this < deformed the platter? Head crashes are always bad. What generally happens for 5" and 3.5" winis is the head is ripped off the mount, slammed against the wall and shattered. the free arm gouges the platter badly. the metal dust from the grinding gets into the rest of the heads and it cascades. If shut down when the head first goes the platter will be shot. Repair would be trying to get head and arm assembly, another drive to get a good platter from. Then there is the problem of disassembleing the platter drive assy as many are "glued and screwed" and maintaining tolerances on assembly. Allison

28 years, 1 month

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Help ID Emulex quad module

by allisonp＠world.std.com

< >a third-party dual width card with light blue ejector handles with < >"UDC11" stamped in white letters on one. Don't know where the ribbon < >cable goes that's connected to it. I'll take the BA11 chassis out and < >peek inside tonight and report what I find on these questions. My guess the tape is not tu58 but a DC100/300/600 series tape. There wasn't a tu58 that mounted to a 5.25hole unless it was a hack. Also TU58 is easy to recognize as the drives are bare (no electornics) and the use a board that is roughly 5x10" with serial interface to the host. Also TU58 was a dual drive system though it could be configured with only one. Allison

28 years, 1 month

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How many computers?

by allisonp＠world.std.com

< Interesting peripherals from late 1970's when I was going a lot. < 1. SWTP CT-1024 modified for 64 columns and graphics. Hope to get this < working again with some computer. I have one of those operation with the same mod! All of my collection I listed are tested operational systems. The unique boards I've built for my own use are not listed nor are some of the inop stuff salvaged for parts. I also didn't list the parts supply as that would need a T1 link to get though reasonably. I have a lot of OLD parts that were new purchase at one time! ;) Allison

28 years, 1 month

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Painting Macs (was: fake next)

by mbg＠world.std.com

>DEC did have a nice desk with a builtin short rack, it was sold with >PDP-8s used for small business office applications. It looked like a >regular desk, but the left side was actually a 19" wide rack. It held a >BA-11 and a dual 8" floppy box. For our customers that was more popular >than the "designer" panels. I actually have one of those desks (I bought it from DEC Salvage about 12 or so years ago). Yes, the left side had a 19" wide set of standard rails... but there was also a 19" wide set of rails on the right, only accessable from the back. This was a perfect spot for a power controller. Megan Gentry Former RT-11 Developer +--------------------------------+-------------------------------------+ | Megan Gentry, EMT/B, PP-ASEL | Internet (work): gentry(a)zk3.dec.com | | Unix Support Engineering Group | (home): mbg(a)world.std.com | | Digital Equipment Corporation | | | 110 Spitbrook Rd. ZK03-2/T43 | URL: http://world.std.com/~mbg/ | | Nashua, NH 03062 | "pdp-11 programmer - some assembler | | (603) 884 1055 | required." - mbg | +--------------------------------+-------------------------------------+

28 years, 1 month

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How many computers?

by franke＠sbs.de

>>> BBC Microcomputer Model B-plus >> B-plus ? Never heard of it or is this jus another >> motherboard revision ? > No it was a different machine. 64K RAM as standard, I think. Do you know a picture in the web ? (Haven't found any). >>> Torch Z80 Card x 2 >> ?? same here. > That's a Z80 coprocessor card that fits inside the BBC micro and plugs > into the 'Tube' connector. A pretty simple machine with 64K RAM and a > small ROM containing a CP/M-a-like. There's a host ROM that goes into the > BBC micro. The BBC acts as an intellegent terminal to the CP/M machine. Ahh ja - hanks, I own 2 BBC Mod B but almost no documentation (and no extensions other than floppys). Gruss H. -- Ich denke, also bin ich, also gut HRK

28 years, 1 month

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How many computers?

by mbg＠world.std.com

>That sounds like another one I don't have, but read through an >interlibrary loan: "How to build a working Digital Computer", by E. >Alcosser, Hayden, 1964. It used a bunch of ganged switches to make a 4 >bit adder. Can you look, anyway? I will look for it... I also have an old book called 'Star Ship Simulation' published by Dilithium Press... >Sounds like you had fun! Sure did... >The picture in the Edmund catalog looked like it was made from various >colored shapes of flat plastic. I know it wouldn't be quite the same, but >if you have the documentation and once had your hands on one, could you >recreate it from mat board and an exacto knife? Or some plastic as >required. Yes, it was made out of colored plastic shapes... with a few shaped metal rods and a number of what amounted to 1/2" (If I remember) sections of plastic straws which were used to do the actual programming. The documentation shows the parts, but not to scale... if I had a real one, I'd try to duplicate the parts... I remember the follow-on unit, the DigicompII, was not so much a computer as it was a game of Nim... I got that one as well, but I preferred the DigicompI Megan Gentry Former RT-11 Developer +--------------------------------+-------------------------------------+ | Megan Gentry, EMT/B, PP-ASEL | Internet (work): gentry(a)zk3.dec.com | | Unix Support Engineering Group | (home): mbg(a)world.std.com | | Digital Equipment Corporation | | | 110 Spitbrook Rd. ZK03-2/T43 | URL: http://world.std.com/~mbg/ | | Nashua, NH 03062 | "pdp-11 programmer - some assembler | | (603) 884 1055 | required." - mbg | +--------------------------------+-------------------------------------+

28 years, 1 month

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How many computers?

by ddameron＠earthlink.net

Hi Megan and all, At 09:06 PM 7/14/98 -0400, you wrote: > >>Speaking of books, >>has anyone seen the book "We Built our own Computers" by A.B. Holt, >>Cambridge Univ. Press, published about 1966. > >I remember one from years ago which was how to build (and program) >a simple computer using paperclips and lights... (and a program >'drum' made out of a coffee can). I think I still have it... is this >what you're thinking of? That sounds like another one I don't have, but read through an interlibrary loan: "How to build a working Digital Computer", by E. Alcosser, Hayden, 1964. It used a bunch of ganged switches to make a 4 bit adder. Can you look, anyway? Thanks, You also wrote: >>Way cool. I had access to one in high school, to play with, but I never >>owned one. I've written to Edmund Scientific. They get the occasional >>letter inquiring about the DigiComp 1, but so far, not enough interest >>to resurrect the product. >I concur... way cool. I remember when I was in fifth grade or so, my >father ordered one for me. When he received it, he thought it was too >complex and simply put it away. One day I came across it, and before >he came home that night I had assembled it and was working on some of >the programming examples. > >I have a set of documentation for it (sent to me by someone a few years >ago) and I would LOVE to get one for my collection... Sounds like you had fun! The picture in the Edmund catalog looked like it was made from various colored shapes of flat plastic. I know it wouldn't be quite the same, but if you have the documentation and once had your hands on one, could you recreate it from mat board and an exacto knife? Or some plastic as required. That's the kind of thing I might do... -Dave

28 years, 1 month

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Laser 128

by blindpete＠stratos.net

On 1998-07-13 classiccmp(a)u.washington.edu said: cl{Can anybody tell me anything about a machine called cl{Laser 128, I have the opportunity to get and understand cl{that it is very small with built in drive and may be somewhat cl{like an Apple II. cl{Thanx cl{------------------------------------------------------ cl{http://www.voicenet.com/~generic cl{gene(a)ehrich.com cl{Gene Ehrich P.O. Box 209 Marlton NJ 08053-0209 cl{------------------------------------------------------ Hi I used to have one a long time ago, the laser 128 is an Apple 2 C clone. It runs at about one and a third or some thing like that, MHZ. Has a 5.25 inch built in flopy 180 K I think and /ram drive in slot 3 drive 1 I think. It isn't a tam card or any thing like that that is just where the system has the ram drive. I had a later model laser 128 ex this one was cruzzing at 3.6 MHZ, also it had a conecter for an external 3.5 inch flopy. Net-Tamer V 1.11 - Registered

28 years, 1 month

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RT11 SIG tapes

by kyrrin＠jps.net

The tapes are spoken for. John Lawson claimed the stack, with Dave Jenner a close second. Glad to see they're going to a good home. Thanks, folks! -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- Bruce Lane, Sysop, The Dragon's Cave BBS (Fidonet 1:343/272) (Hamateur: WD6EOS) (E-mail: kyrrin(a)jps.net) "Our science can only describe an object, event, or living thing in our own human terms. It cannot, in any way, define any of them..."

28 years, 1 month

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Atari 800 (was free atari in Sacremento)

by thomas100＠home.com

I had a friend who turned an Atari 800 into a planter. After that, I inherited it for awhile- it still worked. He had spray painted tho' it so I elected not to hold onto it. What always amazed me was this huge aluminum casting at the center of the machine where you inserted the BASIC and game cartridges. That casting must have added significant cost to manufacturing the machine! Hope someone grabs it... they're kinda neat. Thomas

28 years, 1 month

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How many computers?

by thomas100＠home.com

I looked around at what's in sight... NeXT Color Turbo Station Sparcstation 5 Some boring peecees (incl a Linux box) A Mac IIx An Apple IIc Trs-80 Model 4P Trs-80 Model 16B w/ 8 megabyte HD and 12" floppies Trs-80 Model I w/ Expansion Interface/printer Trs-80 Model 100 NEC PC8201a Trs-80 PC-2 Kaypro 2000 Oh yeah... an HP 9825 from the mid-70's [w/ one-line display] Oddly most of these I never owned new. Of all of them the NeXT machine is still by far the most useful / least painful. The Trs-80 Model 16B is the most unique in my eye. I was annoyed by it at first but it was free and gradually began to like it. It's currently running CP/M but I'd like to get the HD back up and run Xenix. The software that came with it made it more interesting... as this stuff was untouchable [expensive] when it was new. Thomas

28 years, 1 month

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fwd: atari 800 (Sacramento, CA)

by sinasohn＠mail.crl.com

Please contact Mr. Woo directly if interested... >From: K W <wookm(a)yahoo.com> >Subject: atari 800 >To: sinasohn(a)crl.com > >Mr. Sinasohn, > >I've got an Atari 800 computer that I want to get rid of, and I'd >rather give it away than throw it in the trash. It's still in great >condition, with a drive, tape recorder, joysticks, etc. Would anyone >in ABACUS be interested? > >There is a catch though: it's in Sacramento. I've emailed the Sacto >groups, with no response yet. If there's someone in ABACUS who makes >regular trips to Sacto, and would like to have it, I'd be willing to >hold it. > > >Kevin Woo >wookm(a)yahoo.com --------------------------------------------------------------------- O- Uncle Roger "There is pleasure pure in being mad roger(a)sinasohn.com that none but madmen know." Roger Louis Sinasohn & Associates San Francisco, California http://www.sinasohn.com/

28 years, 1 month

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How many computers?

by cad＠gamewood.net

My wife says, 'Too many!!' A Sphere, Astral 2000, M&R sbc, Dragon, several CoCo's, Eagle 1600, enough spares for a Leading Edge model 2, XEROX 860IPS,Unisys Personal Workstation Series 850 (marginal timewise). Chuck -- Chuck Davis / Sutherlin Industries FAX # (804) 799-0940 1973 Reeves Mill Road E-Mail -- cad(a)gamewood.net Sutherlin, Virginia 24594 Voice # (804) 799-5803

28 years, 1 month

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European Tour

by fmc＠reanimators.org

Doug Yowza <yowza(a)yowza.com> wrote: > Any suggestions for the American nerd tourist in Europe? Hmm. How about the Heinz Nixdorf Museumforum somewhere near Paderborn in Germany? I have brochures (somewhat dated), or you can check out their web site (which, last I looked, was mostly in German) at http://www.hnf.de/ . Never been there myself, but it's on my list if I ever get around to a European Tour. -Frank McConnell

28 years, 1 month

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taking care of bad sectors... easy stuff. Was: Re: hard drive data recovery

by higginbo＠netpath.net

I'll bring it back on topic: Spinrite is some powerful hoodoo. I used it alot on Seagate ST-225 drives. I'm never one to use any questionable sectors though: Some of those drives had less than 10mb when I was through with them. I don't trust iffy sectors. At 08:06 PM 7/14/98 -0500, Poesie wrote: >version 5, i got version 4 for about 20 bucks. This is kind of off-topic and >doesn't cover a whole lot of you out there, but when you buy a box of 100 >drives that are all "bad", you can sometimes salvage quite a few of them. - - john higginbotham ____________________________ - webmaster www.pntprinting.com - - limbo limbo.netpath.net -

28 years, 1 month

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How many computers?

by higginbo＠netpath.net

At 01:42 AM 7/15/98 +0100, Tony Duell wrote: >My rule is that if it's possible to get a user program in there, it's a >computer. Yes there are marginal cases, but who cares. This is not a 'who's >got the most computers' competition, now is it? It's not??? Dang! I thought I was a shoe in for mister congeneality!!! :) - - john higginbotham ____________________________ - webmaster www.pntprinting.com - - limbo limbo.netpath.net -

28 years, 1 month

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hard drive data recovery

by maxeskin＠hotmail.com

If you are removing a head arm and working on it, you can wrap everything but the actual connection in clean plastic. I wouldn't expect smoke particles to magically fall off the arm onto the platter, even if the arm is upside down. Plus, smoke travels upwards, and I would expect little of it to settle if you use a fan or something. As soon as you finish soldering, take it back to the clean box, and put it inside to let it cool off or to reassemble (unless it's still smoking). As for doing activities which involve platters, that's a trickier thing. I have no idea what you would do if you had a problem with the motor or the axle on which the platters are mounted. Now, my question. Let's say a single head crashes. This would raise up some dust off the platter, right? Would it be possible to recover the material that wasn't destroyed by the dragging head? What if this deformed the platter? >Serious question. What do you do if you need to resolder a head >connection or something? Do you remove the head assembly from the clean >box, solder it, clean if off with IPA, put it back in the clean box and >reassemble or what? I can't believe you want flux smoke in the HDA. > >> Philip. > >-tony > > ______________________________________________________ Get Your Private, Free Email at http://www.hotmail.com

28 years, 1 month

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taking care of bad sectors... easy stuff. Was: Re: hard drive data recovery

by poesie＠geocities.com

well, I personally have never opened up a hard drive, if nothing else because I've never had an extra to pop open (i'm too frugal. hehe.) Regardless, I have found the program "Spinrite" to work great on IDE drives; it goes through and can fix bad sectors, or mark them totally unusable. this really differs from standard formats/etc, because I've been able to take drives w/ 30mb of bad sectors and get it to 0 bad sectors, and still running fine w/ no problems after a year. i believe they are on version 5, i got version 4 for about 20 bucks. This is kind of off-topic and doesn't cover a whole lot of you out there, but when you buy a box of 100 drives that are all "bad", you can sometimes salvage quite a few of them. -Eric

28 years, 1 month

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How many computers?

by SUPRDAVE＠aol.com

In a message dated 98-07-14 11:45:07 EDT, tony duell put forth: << > BTW, how common are PC-jr machines without floppies? Were most of them > upgraded? >> all pcjr machines came with 128k and one floppy drive. i have seen "second story" units that add another floppy drive. it seems to be there used to be an aftermarket for the jr, but a hot-rodded one still wouldnt be as good as a standard xt though. a popular modification was to bring the machine up to 640k by soldering in some dip chips in the 128k add on sidecar thing. i believe IBM has a file on the www searchfiles page that still tells how to do this. david

28 years, 1 month

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hard drive data recovery

by maxeskin＠hotmail.com

The actual sensor is a sealed unit, just like a transistor or a vacuum tube. You don't even have to tell anybody :) >don't believe the small amount of Am241 in the average smoke detector is >that dangerous if handled carefully, but I can see some people getting >very upset if they found I was stripping down smoke detectors and >modifying them. And I don't need that sort of hassle. > >-tony > > ______________________________________________________ Get Your Private, Free Email at http://www.hotmail.com

28 years, 1 month

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How many computers?

by maxeskin＠hotmail.com

Well, I think that the default lack of floppy drive was a mistake, as was the lack of RAM. I'm not sure what year it is, but I believe 640K was standard by then. Also, I have the Getting Started manual for the PCjr. It's supposed to be a technical reference with specs, and details on how to prepare it for shipping (like in the IBM PC manual of the same name), but instead it has childish junk on how to use cursor keys (it has a little cartridge game called the keyboard adventure, with a little guy that can move around). Techinicians reeely don't like that. >Apart from the IR keyboard, which was a mistake ;-), it's basically a PC >without the DMA chip, but with better-than-CGA graphics. What's wrong >with it? > >In some ways the lack of a DMA chip is a good thing. There are the right >signals on the expansion bus to add one, with the result that an >expansion module can take over the bus. The PC bus doesn't allow that. > >-tony > > ______________________________________________________ Get Your Private, Free Email at http://www.hotmail.com

28 years, 1 month

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Painting Macs (was: fake next)

by mbg＠world.std.com

>or blue I don't consider it a "real" computer. When DEC went to the >black racks and purple lettering (hmm, early 70s?) that was too radical >for me, I was glad to see a return to the traditional beige rack. The 19" racks were generally black... there were attachments to the top of them which were different colors. The purple series was indicative of the pdp-11s (which match the time-frame). I've seen them both with beige side-panels and black side-panels... Megan Gentry Former RT-11 Developer +--------------------------------+-------------------------------------+ | Megan Gentry, EMT/B, PP-ASEL | Internet (work): gentry(a)zk3.dec.com | | Unix Support Engineering Group | (home): mbg(a)world.std.com | | Digital Equipment Corporation | | | 110 Spitbrook Rd. ZK03-2/T43 | URL: http://world.std.com/~mbg/ | | Nashua, NH 03062 | "pdp-11 programmer - some assembler | | (603) 884 1055 | required." - mbg | +--------------------------------+-------------------------------------+

28 years, 1 month

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how many computers?

by mbg＠world.std.com

Maybe I'll provide my full list in a later message, but for now, you can check my 'home_systems' page off my home page... >> DIGI-COMP 1 (an educational toy from 1963) > >Way cool. I had access to one in high school, to play with, but I never >owned one. I've written to Edmund Scientific. They get the occasional >letter inquiring about the DigiComp 1, but so far, not enough interest >to resurrect the product. I concur... way cool. I remember when I was in fifth grade or so, my father ordered one for me. When he received it, he thought it was too complex and simply put it away. One day I came across it, and before he came home that night I had assembled it and was working on some of the programming examples. I have a set of documentation for it (sent to me by someone a few years ago) and I would LOVE to get one for my collection... Megan Gentry Former RT-11 Developer +--------------------------------+-------------------------------------+ | Megan Gentry, EMT/B, PP-ASEL | Internet (work): gentry(a)zk3.dec.com | | Unix Support Engineering Group | (home): mbg(a)world.std.com | | Digital Equipment Corporation | | | 110 Spitbrook Rd. ZK03-2/T43 | URL: http://world.std.com/~mbg/ | | Nashua, NH 03062 | "pdp-11 programmer - some assembler | | (603) 884 1055 | required." - mbg | +--------------------------------+-------------------------------------+

28 years, 1 month

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How many computers?

by ddameron＠earthlink.net

At 06:41 PM 7/14/98 GMT, you wrote: >> I was just wondering, how many computers do all you have out there??? > Not many, 10 to 20, and some I don't know if to count, such as pc boards with a 6802, 2716, and 2 6821 ic's. I think they came from a cash register system. Others like XT motherboards... 1. Mixed brand S-100 System. Either Flashwriter display or serial to Heatkit H19 terminal. Extra crate and misc cards. 2. Various PC clones. I am using a 386 now. No Pentiums or higher. 3. A few Z-80 test computers. 8 or so ic's on a single board. 4. 80188 board computer for "Radio Electronics" Robot. 5. Homebrew game of "life" computer. (1973) 6. Calculator built from neon bulb "shift register counters". Input is a rotary telephone dial. I think subtraction was "1's complements". (about 1968) Interesting peripherals from late 1970's when I was going a lot. 1. SWTP CT-1024 modified for 64 columns and graphics. Hope to get this working again with some computer. 2. Sylvanhills flat bed plotter. Used DC motors and opto-interruptor wheels which I replaced with stepper motors. 3. Stepper motor 3 axis wax carver. Used cylindrical coordinates. The wax block rotated on a turntable. Literature, including First 7 years of Byte. First few years of Dr. Dobbs, the bound volumes, I didn't keep the individual issues. 2 of the Creative Computer games books. 10 issues of "Computer Hobbyist", I have just found the remaining issues. Documentation for Scelbi 8H and other 8008 stuff. Other construction type books. Various parts, including a box of RTL ic's, 1101 memory's. There apparently was an ad in 1967 "CQ" for an RTL computer. >> DIGI-COMP 1 (an educational toy from 1963) > >Way cool. I had access to one in high school, to play with, but I never >owned one. I've written to Edmund Scientific. They get the occasional >letter inquiring about the DigiComp 1, but so far, not enough interest >to resurrect the product. Yes, it would be fun to find things like this. I still have the 3 potentiometer "analog" computer I built for some science fair. The Digicomp I cost $5.95 in 1969 from Edmund Sci. Others were various mechanical (Dr. Nim) and electronic NIM players, Computers like "Brainac", and later in 1971, a National Radio Institute computer using 53 TTL ic's. Have seen only ad's. A RCA projects book I have has a "slot machine" built from individual transistors for flip flops, gates, multivibrators, etc. It "computed" the score, so was a calculator of sorts. Speaking of books, has anyone seen the book "We Built our own Computers" by A.B. Holt, Cambridge Univ. Press, published about 1966. -Dave

28 years, 1 month

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empty rack

by maxeskin＠hotmail.com

I found an empty rack today, not sure of the dimensions. It had nothing but rails and a power cord. At the top, it had something like "Camex" in blue letters, I forgot exactly what by the time I got home. Next to the name, it had some kind of snowflake-like emblem. Does anyone in the Boston area want this thing? I will inquire if there is anything more where that came from... ______________________________________________________ Get Your Private, Free Email at http://www.hotmail.com

28 years, 1 month

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Forward Air - Ship them hunks o' Iron!

by higginbo＠netpath.net

This is an unofficial page for Forward Air, a company that claims to have very reasonable air freight rates for packages. This page was put together >from the perspective of an arcade machine afficianado(sp?), but plenty of info here for all. Just thought I'd pass it on in case someone needs it or hasn't heard of it, or whatever. http://www.geocities.com/Yosemite/6996/forwardair.html - - john higginbotham ____________________________ - webmaster www.pntprinting.com - - limbo limbo.netpath.net -

28 years, 1 month

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Painting Macs (was: fake NeXT)

by higginbo＠netpath.net

Please do. I'd like to see it, but I would rather keep the original case, or an exact or near to it replica in another material. Doug had a good idea with the chrome look, but I think I would have to actually tool a metal case and get it chromed for it to look good, too much money for me, but it would look neat, maybe with some red glowing lights behind the vents ala Terminator. :) Hmmmm. I do have the empty SE/30 case to practice on, but I just got another idea while looking at my mini-tower 233mmx: Cut out one whole side of it, replace with plexiglass or glass panel so I can see all the goodies inside, maybe throw some little 5v LEDs into it to make it purty... I'm getting too many cool ideas here. I need to stop thinking and start putting this in action. At 04:45 PM 7/14/98 -0500, Poesie wrote: >My girlfriend works for a sign company that does small and large scale >signage; including printing out vinyl signs. they can print onto lexan, >transparent vinyl, aluminum, etc etc; our project last week was making a >tower case out of clear acrylic, and putting some various translucent >designs on it (including a very dashing "Linux Powered" logo.) the company >is www.fastsigns.com, there are local all over the US and i believe also >england. for a full colour case design (they can scan and print any graphic) >it's usually about $50 US and then the cost of the materials. most likely >under $100. i'll upload some shots of this awesome case once i get my >digital camera back from a friend. > >-Eric > > > > >>Absolutely! :-) >> >>I'd certainly be interested in a Mac with a neat paint job. It would >>have to be something interesting, though, after all, even I cold do solid >>colors. :-) >> >>A while back MacAddict gave away some custom painted Power Mac 5100's. >>They weren't very intersting, though, just crazy designs. >> >>Tom Owad >> > > - - john higginbotham ____________________________ - webmaster www.pntprinting.com - - limbo limbo.netpath.net -

28 years, 1 month

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How many computers?

by Philip.Belben＠powertech.co.uk

> I was just wondering, how many computers do all you have out there??? Right. My turn now. Unlike most of you, it seems, a lot of my computers don't work. I seem to acquire faster than I can repair - perhaps because computers are just one hobby among many, perhaps because acquiring computers is relatively easy... I have about 60. Last time I counted I got to about 51 but I don't think I got them all. A selection: Assorted PETs, at least one C64 and a couple of VIC 20s (one with missing keytop); Assorted PDPs in various states of disrepair, plus a large number of spare M-series boards (both Unibus and Qbus, including several CPU boards) and a couple of Rainbows; Several BBC model Bs (don't know what sorts) and an electron; Tatung Einstein, TI 99/4A; Sinclair ZX81, Spectrum, Spectrum +2; IBM PC-AT, 6150 (= RT PC tower model), System/23 (5332 Datamaster); A couple of Compaq 386 lapdogs; HP 71C, 75C, 85, 86, 87 (but the HP I use most is my 28C - I suppose that's a classic now); Sirius-1, FTS Series-88 (nearly two of those), Superbrain; I recently got a couple of Apple ][ and a couple of Exidy Sorcerors; But my favourite is the Tektronix 4052 graphics box. With luck, I'll bring it to the VCF this autumn ^H^H^H^H^H^H^H fall. Philip.

28 years, 1 month

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How many computers?

by maxeskin＠hotmail.com

A question about the Sorcerer: I heard once that it used 8-track tapes. Is this true, or did they mistake a cartridge for a cassette? >I recently got a couple of Apple ][ and a couple of Exidy Sorcerors; ______________________________________________________ Get Your Private, Free Email at http://www.hotmail.com

28 years, 1 month

3
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Painting Macs (was: fake NeXT)

by poesie＠geocities.com

My girlfriend works for a sign company that does small and large scale signage; including printing out vinyl signs. they can print onto lexan, transparent vinyl, aluminum, etc etc; our project last week was making a tower case out of clear acrylic, and putting some various translucent designs on it (including a very dashing "Linux Powered" logo.) the company is www.fastsigns.com, there are local all over the US and i believe also england. for a full colour case design (they can scan and print any graphic) it's usually about $50 US and then the cost of the materials. most likely under $100. i'll upload some shots of this awesome case once i get my digital camera back from a friend. -Eric >Absolutely! :-) > >I'd certainly be interested in a Mac with a neat paint job. It would >have to be something interesting, though, after all, even I cold do solid >colors. :-) > >A while back MacAddict gave away some custom painted Power Mac 5100's. >They weren't very intersting, though, just crazy designs. > >Tom Owad >

28 years, 1 month

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yes I would like a list of what is left of the computers

by gargor1＠concentric.net

My phone number is (408)338-9282.

28 years, 1 month

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How many computers?

by pete＠dunnington.u-net.com

On Jul 14, 10:55, Max Eskin wrote: > Subject: Re: How many computers? > A question about the Sorcerer: I heard once that it used 8-track tapes. > Is this true, or did they mistake a cartridge for a cassette? No, they used "ROM Pac"s, which consist of a small circuit board with a decoder chip and 4 x 2KB ROMs mounted inside a gutted 8-track tape cartridge. -- Pete Peter Turnbull Dept. of Computer Science University of York

28 years, 1 month

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Painting Macs (was: fake NeXT)

by pete＠dunnington.u-net.com

On Jul 14, 6:50, Russ Blakeman wrote: > Use paints that have glue type solvents, ones with toluene, acetone and xylene > that will melt into the finsih below and/or plastic and bond after sanding > with 400 sandpaper, works great. [snip] > After it dries overnight (esp black) clean it down with a sponge and then dry > it off and the excess dust of overspray will be gone, just like a factory > finish. Philips used to supply small runs of OEM monitors which were spray-painted in custom colours, instead of using different coloured plastic. -- Pete Peter Turnbull Dept. of Computer Science University of York

28 years, 1 month

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How many computers?

by pete＠dunnington.u-net.com

On Jul 14, 12:45, Hans Franke wrote: > Subject: Re: How many computers? > > BBC Microcomputer Model B-plus > > B-plus ? Never heard of it or is this jus another > motherboard revision ? The B-plus was a model introduced after the B but before the Master Series. It had a lot of features of the Master 128, but was in a case just like a Model B. The circuit board is completely different, though. Different processor (65C12, IIRC), 64K RAM expandable to 128K, shadow memory and extra modes, etc, and a very different layout. -- Pete Peter Turnbull Dept. of Computer Science University of York

28 years, 1 month

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How many computers?

by pete＠dunnington.u-net.com

On Jul 13, 18:07, Zane H. Healy wrote: > Here is a question, how do you include terminals? For example I've got a > Tandy WP-2, it's a combo Word Processor, terminal sort of thing, basically > a keyboard with a LCD strip. Would it be a computer, or a terminal. In the list I posted, I included anything that was vaguely a computer, like the Psion and the AgendA, and the Torch, which is really a second processor for a BBC B. I didn't include terminals, such as my VT131, a couple of Cifer terminals, and some Wyse terminals. If the WP-2 runs software, even just a dedicated word processor, I'd probably count it. -- Pete Peter Turnbull Dept. of Computer Science University of York

28 years, 1 month

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Aaaaanthony!!!

by maxeskin＠hotmail.com

I don't believe I've seen Anthony Clifton around recently? Has anyone seen him? If you're reading this, Anthony, please post so that I know your address and can email you. ______________________________________________________ Get Your Private, Free Email at http://www.hotmail.com

28 years, 1 month

2
1
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Aaaaanthony!!!

by SUPRDAVE＠aol.com

In a message dated 98-07-14 15:03:11 EDT, you write: << > I don't believe I've seen Anthony Clifton around recently? Has anyone > seen him? If you're reading this, Anthony, please post so that I know > your address and can email you. > >> he did have a website called retrocomputing.com but i am unable to establish a connection to it. I hope that he still is present as I need to close a deal we had made. david

28 years, 1 month

2
1
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RP06 alignment

by DSEAGRAV＠toad.xkl.com

A friend has an RP06, an alignment pack, and the alignment tool, but lacks the instructions to do the deed. Anyone got the manual that describes the procedure, or know how? -------

28 years, 1 month

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Painting Macs (was: fake NeXT)

by tomowad＠earthlink.net

>Any idea how we might find the original paint color to restore a faded Mac >or other Apple product to new condition? The old Beige cases are made with Borg-Warner's ABS Cyclolac using the color PMS 453. Tom Owad -- Sysop of Caesarville Online Client software at: <http://home.earthlink.net/~tomowad/>

28 years, 1 month

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Painting Macs (was: fake NeXT)

by Anthony.Dellett＠Staples.com

In the old days, I used to work for a company that made hard disk subsystems for the mac. When Apple changed to the "Platinum" color scheme, they sent out a paint sample with a pantone color #. Someone MUST know what it is... Tony > -----Original Message----- > From: George Rachor [mailto:george@racsys.rt.rain.com] > Sent: Tuesday, July 14, 1998 1:53 PM > To: Discussion re-collecting of classic computers > Subject: Re: Painting Macs (was: fake NeXT) > > > Any idea how we might find the original paint color to > restore a faded Mac > or other Apple product to new condition? > > George > > ========================================================= > George L. Rachor george(a)racsys.rt.rain.com > Beaverton, Oregon http://racsys.rt.rain.com > > On Tue, 14 Jul 1998, Rax wrote: > > > >>If I ever get the time, I want to do a custom paint job > on my SE/30. > > >>Remember the fighter planes of WW2 that had the > mouth/teeth/eyes painted on > > >>the nose? You get the picture... :) > > > > > >I've been tempted to do that too. :-) What kind of paint > would be best > > >for this? And how would you go about cleaning the unit > before hand? > > > > > >Tom Owad > > > > > >-- > > >Sysop of Caesarville Online > > >Client software at: <http://home.earthlink.net/~tomowad/> > > > > > > My ex-girlfriend painted her Mac metalflake purple. She got > the paint from > > a model shop - it's the stuff they use for painting plastic > models. I > > thought it would fuck everything up when she spray-painted > the keyboard, > > but it didn't seem to do it any harm. Worked fine, but it certainly > > challenged one's touch-typing skills... > > > > R. > > > > -- > > > > > > > > Warbaby > > The WebSite. The Domain. The Empire. > > http://www.warbaby.com > > > > The MonkeyPool > > WebSite Content Development > > http://www.monkeypool.com > > > > > > Dreadlocks on white boys give me the willies. > > > > > > > > > > > > >

28 years, 1 month

2
1
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Painting Macs (was: fake NeXT)

by higginbo＠netpath.net

At 07:38 PM 7/13/98 -0700, Tom Owad wrote: >I've been tempted to do that too. :-) What kind of paint would be best >for this? And how would you go about cleaning the unit before hand? Hmmm. I would probably go with a really fine sandpaper to give the paint something to stick to, then if I wanted, clear coat the finished product for a good seal against possible flaking. I painted a 14" SVGA monitor once. Flat black, straight out of a cheap spraypaint can. It never flaked, but some did rub off when I moved the monitor. I touched it up with black magic marker. I have this weird idea that one day custom paint jobs on computers might make me some extra money. Am I crazy? Do you think there would ever be a market for it? I've seen one guy on the net that has built custom mahogany and marble cases for his Mac cx and others. Was cool to see a more recent Apple in wood. :) Is this off-topic? - - john higginbotham ____________________________ - webmaster www.pntprinting.com - - limbo limbo.netpath.net -

28 years, 1 month

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How many computers?

by Anthony.Dellett＠Staples.com

Actually, there is a little known difference on the power supply board between a beige Mac plus and a Platinum Mac Plus. Just a diode but boy oh boy did it cause havoc when installing a certain CPU accelerator board made by now defunct MacMemory. Mommy! I let the magic smoke out! Tony > -----Original Message----- > From: Zane H. Healy [mailto:healyzh@ix.netcom.com] > Sent: Monday, July 13, 1998 9:08 PM > To: Discussion re-collecting of classic computers > Subject: Re: How many computers? > > > >Every so often, someone asks how many computers I have, and > I always find > >it hard to give a straight answer. It depends whether you > count half a > >dozen 68000 boards as 1 + spares, or 6 -- I only have two > keyboards and one > >PSU rigged up for them -- or none, since I haven't got the > orignal case or > >PSU. Or the PDP-11s; I have several spare CPUs and other > boards, but only > >a few cabinets. > > Well, just tell 'em what I do. I've got about 70 computers > (See the web > page if you want the list, I'm not typing them all in :^) ), > not counting > duplicates/spares. However, I do count such things as a > "Beige Mac Plus" > and a "Platinum Mac Plus" separatly, despite the fact the only real > difference is the colour of the case (well, in this case the keyboards > also). Still I think the only systems that fall into that > catagory are the > Mac Plus, TI-99/4a, and A1200(HD). > > Here is a question, how do you include terminals? For > example I've got a > Tandy WP-2, it's a combo Word Processor, terminal sort of > thing, basically > a keyboard with a LCD strip. Would it be a computer, or a terminal. > > Zane > | Zane H. Healy | UNIX Systems Adminstrator | > | healyzh(a)ix.netcom.com (primary) | Linux Enthusiast | > | healyzh(a)holonet.net (alternate) | Classic Computer Collector | > +----------------------------------+----------------------------+ > | Empire of the Petal Throne and Traveller Role Playing, | > | and Zane's Computer Museum. | > | http://www.dragonfire.net/~healyzh/ | >

28 years, 1 month

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Painting Macs (was: fake NeXT)

by tomowad＠earthlink.net

>If I ever get the time, I want to do a custom paint job on my SE/30. >Remember the fighter planes of WW2 that had the mouth/teeth/eyes painted on >the nose? You get the picture... :) I've been tempted to do that too. :-) What kind of paint would be best for this? And how would you go about cleaning the unit before hand? Tom Owad -- Sysop of Caesarville Online Client software at: <http://home.earthlink.net/~tomowad/>

28 years, 1 month

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hard drive data recovery

by cfandt＠servtech.com

At 17:51 13-07-98 -0700, you wrote: >On Mon, 13 Jul 1998, Tony Duell wrote: > >> What we now need is for some brave person (me, Allison???) to take a >> number of old (and dead) drives, make a clean box, pull them apart, >> document everything, and write a repair manual.... > >I would love to help with this effort as I'm very good with my hands and >the whole point of starting this thread was to guage the practicality of >home hard drive repair, but currently I wouldn't have the time to embark >on such an endeavor, although at some point I will. I hope that whatever >tricks I'm able to pioneer with respect to hard drive repair will be >passed on in FAQs. Good! We'll be watching, Sam! :-) > >I've already noted the discussions on building a clean box and at some >point will be creating one. QUESTION: Is there a way to determine just >how clean such a clean box is after its built? Is there some meter that >can be hooked-up to the exhaust opening that will give you a particulate Yes there is a device used to count particles in the air. But you may not like the cost of them. My job involves work in our Class 10,000 cleanroom at my place of employment. A few of you others out there either once had or now work in such a company that has cleanroom(s), or possibly had spent time in a cleanroom as a service person. I can give a brief primer on how a cleanroom is built and short definition of the federal standard of cleanroom classes if some of you are interested. That would give a picture of the environment within which the drives had been manufactured and what one would do to make a simple one for his/her use. We make linear encoders of which the finest line size of the ronchi ruling on the encoder substrate is 4 microns (157.48 millionths of an inch.) Figure one micron = 39.37 millionths of an inch (0.00003937"). Most dust particles in 'free air' (the air we normally live in and breathe everyday) are in the 0.5 to 10 micron range. Therefore, keeping the air _clean_ during the manufacturing process has benefited us extremely well. Of course, semiconductor manufacturers fabricate microprocessors, transistors, all other IC's in cleanroom environments. Those hokey Intel TV advertisements with cleanroom workers in full body suits are actually not far off the mark with regard to the actual need to keep a class 10 or 100 cleanroom clean when making chips with sub-micron features. I had purchased a particle counter at work to check the "cleanness" of the air in various zones in the cleanroom. These machines are somewhat complicated though the basic concept used for counting particles is not. Most particle counters are sensitive. The one I bought is able to "see", therefore count, a *single* particle as small as 0.5 micron. Our unit has similar specifications as other typical brands of particle counters but it still cost us a little over US$10,000. Used equipment dealers have them for less but it's still not reasonable for the hobbyist or even a very small business. Maintenace parts and calibration is also a bit high. BTW, the air quality in most areas of our cleanroom stays at less than 100 particles per cubic foot. Very clean when considering that outside air which is relatively clean (say, the proverbial fresh mountain air) has 100,000 to 500,000 particles per cu. foot -more with forest fires, etc. nearby. If I do decide to tinker with some of my dead hard drives, I plan to bring them to the plant some weekend and have at it :-) I'll just slip on a boufont (sp.?) cap as a hair cover, special gloves, my lab coat and maybe a face mask of some sort, setup at an empty table and away I go! >count? My Panasonic vacuum cleaner has such a detector that triggers a >dual-color LED on the front panel: it lights red if it detects dirt >particles passing through the hose and green if the particle count is >below some threshold. This is an extremely simplified version of a particle counter. I can envision it as having a simple LED emitter, probably IR, on one side of the hose and a photodetector on the opposite side. The detector and the analog front end may be rather sensitive to differentiate minute changes in light intensity. When significant amounts of dust and crap are sucked thru the hose the light is slightly occluded whichs lowers the output of the photodetector which then trips the circuit driving the red LED on your Panasonic vac. This is much too coarse of a device to measure air quality in any home-built glovebox/cleanroom any of us may build. It serves to show the homeowner that the Panasonic company's wonderful Model Such-and-Such is doing a great job at cleaning their house. Pure marketing gimmick but kinda neat on a home vac anyway IMO. > >> Yep, this is an interesting thread for me... > >Me too! Thanks for starting the discussion Sam, as a few of us who have the resources will need to get into it in the future -if not now. I can offer additional ideas and advice from my own cleanroom experience to the group on setting up a work area using either homemade or used commercial "clean benches", etc. Regards, Chris -- -- Christian Fandt, Electronic/Electrical Historian Jamestown, NY USA Member of Antique Wireless Association URL: http://www.ggw.org/freenet/a/awa/

28 years, 1 month

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Painting Macs (was: fake NeXT)

by Anthony.Dellett＠Staples.com

I seem to remember a company way back (when the Mac Plus was considered a power machine) that used to do custom faux finishes on Macs. The cool one was the granite macintosh. I think the company was also the first to make a fishtank out of a Mac 128K Tony > -----Original Message----- > From: Tom Owad [mailto:tomowad@earthlink.net] > Sent: Tuesday, July 14, 1998 12:19 PM > To: Discussion re-collecting of classic computers > Subject: Re: Painting Macs (was: fake NeXT) > > > >I have this weird idea that one day custom paint jobs on > computers might > >make me some extra money. Am I crazy? Do you think there > would ever be a > >market for it? > > Absolutely! :-) > > I'd certainly be interested in a Mac with a neat paint job. It would > have to be something interesting, though, after all, even I > cold do solid > colors. :-) > > A while back MacAddict gave away some custom painted Power > Mac 5100's. > They weren't very intersting, though, just crazy designs. > > Tom Owad > > -- > Sysop of Caesarville Online > Client software at: <http://home.earthlink.net/~tomowad/> >

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hard drive data recovery

by dastar＠ncal.verio.com

This is off-topic, so I'd like to know if anyone would like to start a short discussion off the list regarding data recovery on crashed hard drives? I recently had two hard drives go south on me. One was my 2.5" IDE in my laptop...scary considering it had all my notes, memos and source code. The other was a 3.5" IDE on the voicemail system in the office. The laptop was a physical crash; the voicemail was a soft crash (directory got over-written somehow). I took the hard drives to a data recovery shop (Data Recovery Group in San Leandro for the locals). They have complete clean room and repair facilities. The data recovery technician, Yongin, opened up the 2.5" HD in the clean room and found the head had gone bad. He assembled a new head onto the drive but it wasn't repairable: it was a temporary fix to get the data off. He then proceeded to extract all the directories I told him were the most critical. Over all he said he was able to read about 60% of the 1.2GB drive. The other drive he found had a bad root directory, apparently having been over-written with random data (I suspect a virus). They basically used Norton Utilities on that to locate the lost directories and re-link them. They were able to recover the entire drive contents. What I wanted to discuss is the possibility of doing home drive repair without the luxury of a clean room. Is it possible to use some sort of cheaply available or easily made vacuum chamber with positive airflow and filtering, or is it absolutely required? Can a drive be opened in room air and be worked on without introducing dangerous dust particles onto the platter? Figuring out the data on the drive is the easy part, compared with actually trying to read the data off the platter, whether the problem be a failed head or a crashed head. Why can't they make a hard drive that's crash proof? Even if the mechanics fail, can't some hardend substance like glass be layed over the platter so if the head did crash it would only scratch the glass? Then you would simply open the drive, pull out the platter, replace the glass shield if necessary, then insert it into a working assembly. The head calibration would be adjusted to compensate for the extra distance to the platter. If anyone would like to continue this discussion, please reply to me privately. Thanks! BTW, the above drive repair cost $1,490 total. Not only is the job challenging and fun, but highly lucrative. Back that data up! Sam Alternate e-mail: dastar(a)siconic.com ------------------------------------------------------------------------------- Ever onward. September 26 & 27...Vintage Computer Festival 2 See http://www.siconic.com/vcf for details! [Last web page update: 07/05/98]

28 years, 1 month

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hard drive data recovery

by maxeskin＠hotmail.com

Why not use a radioisotope and a metal plate, like in a smoke detector? I think the element could be removed from the smoke detector and wired into a different circuit that triggers on dust. > >I don't know how it works. For high particle counts (like your vacuum >cleaner), I would guess you could use light scattering. I can't believe >that would work at class 100 levels, though. > >-tony > > ______________________________________________________ Get Your Private, Free Email at http://www.hotmail.com

28 years, 1 month

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hard drive data recovery

by allisonp＠world.std.com

< What we now need is for some brave person (me, Allison???) to take a < number of old (and dead) drives, make a clean box, pull them apart, < document everything, and write a repair manual.... Either that or I have to trouble shoot the two maxtor2190s(rd54) I have with seek spindown death. I know it's not a HDA problem as I opened them and watch the gyrations. Allison

28 years, 1 month

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Painting Macs (was: fake NeXT)

by tomowad＠earthlink.net

>I have this weird idea that one day custom paint jobs on computers might >make me some extra money. Am I crazy? Do you think there would ever be a >market for it? Absolutely! :-) I'd certainly be interested in a Mac with a neat paint job. It would have to be something interesting, though, after all, even I cold do solid colors. :-) A while back MacAddict gave away some custom painted Power Mac 5100's. They weren't very intersting, though, just crazy designs. Tom Owad -- Sysop of Caesarville Online Client software at: <http://home.earthlink.net/~tomowad/>

28 years, 1 month

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How many computers?

by Marty＠itgonline.com

Yes the RJ-11 jack is to hard wire the keyboard. My PC Jr works wireless okay up to four or five feet then gets flakey. Batteries don't last long in mine either although it's been a long time since I've played with it. Marty ______________________________ Reply Separator _________________________________ Subject: Re: How many computers? Author: classiccmp(a)u.washington.edu at internet Date: 7/14/98 11:45 AM On Tue, 14 Jul 1998, Tony Duell wrote: > Remmeber it was supposed to be a _home_ computer. At the time very few > home computers came with floppy drives. > > BTW, how common are PC-jr machines without floppies? Were most of them > upgraded? Dunno, mine's got an IBM 360k drive in it. My biggest complaints about are the 'sidecar' expansion (the second all-time-lamest computer innovation) and the fact that all backpanel ports are.. BERG headers (the first all-time-lamest computer innovation). What's up with the tiny card-edge connectors inside on the motherboard? I also noticed my keyboard (which is a joke) has an RJ-11 jack off to the side, and that there's a 2x3 BERG header at the back labelled 'K'. Could this be for a keyboard cable, heaven forbid? Also, keyboard battery life is uniformly poor. It seems like I get about 20 minutes. Is this normal? ok r. ------ Message Header Follows ------ Received: from lists4.u.washington.edu by smtp.itgonline.com (PostalUnion/SMTP(tm) v2.1.9i(b5) for Windows NT(tm)) id AA-1998Jul14.114543.1767.51176; Tue, 14 Jul 1998 11:45:43 -0400 Received: from host (lists.u.washington.edu [140.142.56.13]) by lists4.u.washington.edu (8.8.4+UW97.07/8.8.4+UW97.05) with SMTP id IAA02047; Tue, 14 Jul 1998 08:43:32 -0700 Received: from mxu1.u.washington.edu (mxu1.u.washington.edu [140.142.32.8]) by lists.u.washington.edu (8.8.4+UW97.07/8.8.4+UW97.05) with ESMTP id IAA24738 for <classiccmp(a)lists.u.washington.edu>; Tue, 14 Jul 1998 08:43:21 -0700 Received: from instinct.bears.org (red(a)instinct.bears.org [208.9.111.102]) by mxu1.u.washington.edu (8.8.4+UW97.07/8.8.4+UW98.06) with ESMTP id IAA00421 for <classiccmp(a)u.washington.edu>; Tue, 14 Jul 1998 08:43:20 -0700 Received: from localhost (red@localhost) by instinct.bears.org (8.9.0/8.9.0) with SMTP id LAA19769 for <classiccmp(a)u.washington.edu>; Tue, 14 Jul 1998 11:44:07 -0400 Message-Id: <Pine.LNX.3.96.980714113825.18506B-100000(a)instinct.bears.org> Date: Tue, 14 Jul 1998 11:44:07 -0400 (EDT) Reply-To: classiccmp(a)u.washington.edu Sender: CLASSICCMP-owner(a)u.washington.edu Precedence: bulk From: "R. Stricklin (kjaeros)" <red(a)bears.org> To: "Discussion re-collecting of classic computers" <classiccmp(a)u.washington.edu> Subject: Re: How many computers? In-Reply-To: <m0yvu0C-000IyKC@p850ug1> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-To: Discussion re-collecting of classic computers <classiccmp(a)u.washington.edu> X-Listprocessor-Version: 8.1 beta -- ListProcessor(tm) by CREN

28 years, 1 month

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40 ? Re: How many computers?

by wanderer＠bos.nl

> What's a G40? Never heard of one. It's an HP 9000/800 model G40. A box measuring 40cm by 40cm by 50cm deep, and it has a 40Mhz processor. Ed

28 years, 1 month

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C128 Service Manual

by Anthony.Dellett＠Staples.com

A bit of followup... I ordered the Sam's Photofact kit for the C128. Guess I'll be breaking out the scope. Tony

28 years, 1 month

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how many computers?

by tomsaddressformaillists＠altavista.net

I suppose I'll chime in with my small collection: Apple ][+ clone (label says "Tel-Com", the keys have CP/M, MBASIC, and other commands silkscreened onto them) Apple Lisa 1 Apple Lisa 2/10 DIGI-COMP 1 (an educational toy from 1963) Osborne 1 Epson QX-16 (seeking more, as always...) Other stuff: Televideo 950 terminal Power Macintosh 6100/66 (maybe as one of the first powermacs it will have some historical significance someday. Contains a 486 DOS card.) Generic 586 PeeCee (yawn) This account is used so mailing lists don't clutter up Tom's real account. If you really want to talk to Tom, use tom(at)galena.tjs.org

28 years, 1 month

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