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

by swtpc6800＠comcast.net

Here are some data sheets I got in 1978 on the USR "bathtub" modems. I didn't buy one but built my own modem based on a Motorola MC6860. http://www.swtpc.com/mholley/USR/USR_Modem.htm Michael Holley www.swtpc.com/mholley

20 years, 6 months

2
1
0 0

RT-11, "PDP-11 FORTRAN-77 User Manual"

by aek＠bitsavers.org

I should have this scanner.

20 years, 6 months

2
1
0 0

Looking for Tiny Pascal

by eds_2＠yahoo.com

In Byte Magazine Vol. 3 Nos. 9, 10, and 11 (Sep 1978, Oct 1978, Nov 1978) there is an article written by Kin-Man Chung and Herbert Yuen describing a "Tiny Pascal" compiler. Tiny Pascal compiles a subset of pascal to p-code, and then translates that p-code into 8080 assembly. The compiler is written in North Star BASIC. I found the articles in the local library, but I noticed that the listings are incomplete (especially the p-code to 8080 translation program is absent) I'm interested in tracking down the history and sources of this compiler. I have heard that it was ported to many other 8-bit machines. I'm trying to track down working versions of this compiler and those from which it was derived. Any resources would be greatly appreciated. Thanks, -Eric __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com

20 years, 6 months

2
1
0 0

VAXstations in London

by zmerch＠30below.com

Rumor has it that Liam Proven may have mentioned these words: >Oh, I am sure, but I'm sorry, it's 2006 and I am not prepared to use a >text-mode interface as my primary or only means of controlling a >workstation in the 21st Century! ;-) ;-) [[ Insert more smileys here... ;-) ]] With that attitude, Bill Gates must *love* you... ;-) >A server, yes, fine. A workstation, a terminal, no. :?) Pffft. I can get more done in Linux with Lynx than I can with firefox -- *unless* the page is b0rked or I wanna look at playboy.com - then there's `links -g`... Who needs winders to see nekkid chix?!?! Not me! ;-) I just *wish* I had room to set up my VaxStation again - but I have a CoCo to set up for the kids first. ;-) Laterz, "Merch" -- Roger "Merch" Merchberger | A new truth in advertising slogan SysAdmin, Iceberg Computers | for MicroSoft: "We're not the oxy... zmerch at 30below.com | ...in oxymoron!"

20 years, 6 months

2
1
0 0

early USRobotics history

by jack.rubin＠ameritech.net

Ah, the pleasures of being on the cc-tech digest! Kind of like retro-tivo... I'm not clear on the pre-history of USRobotics but I can tell you some of the early history. In the late '70s a group of UofC students (and near-students?) got together to do some computer stuff. When the name actually appeared and what the first "product" might have been I don't know, but apparently the group went from 7 to 5 to 3 members. I became aware of the company in 1982; at that time the principals were Casey Cowell, Paul Collard and Steve Muka and the only product was modems. A Hyde Park neighbor of mine, Stan Metcalf, had been a member of the earlier group(s) but we never really talked about what the group was doing when he was involved with them. The story told at that time was that the company had been formed to produce a home terminal based on Don Lancaster's TV typewriter which they would sell to UofC users for dial-up access to the campus mainframe. When the modem was finished, they realized they would do better selling it as a standalone product to be used with a standard terminal (eg the Bantams and Teleltypes) and stopped short of designing their own terminal. I never knew anyone named Terry who was involved with the company or knew of any other products. When I first learned of the company, they were in the process of moving >from Washington and Eagle Streets in Chicago, right around the corner >from what would become Oprah's Harpo Productions, to McCormick Street in Skokie. First location had been in Casey's apartment on Lincoln Avenue near the Biograph theater. I started with them in 1984; I don't think Bill Donzelli joined the company until a good bit after the move to Skokie. When _I_ cleaned out the basement on Eagle Street, I found a couple ASR-33s and some Perkin-Elmer Bantam terminals along with a fair number of bogarted doobies left by the shipping crew. The Bantams were still in use internally by the company and had been resold by them at one point when they were still selling the black, vacuum-molded "bathtub" modems. By the early 80s, the current product was the aluminum-cased (Hayes look-alike?) AutoDial series. The company ran on a couple of MP/M based Dynacomp systems with attached terminals (the Bantams and/or Televideos, later Wyse50s). My first job was to convert the single-user BASIC inventory program (a legacy of the first system, a TRS-80 Model III) to dBaseII and then multiuser DataFlex. When we moved to Skokie we also moved to a couple of Godbout-based S100 systems, running MP/M then MP/M II and finally the Gifford version of ConcurrentDOS. Skokie was a lot bigger and I installed DR-NET to link a couple remote systems; not long after we moved to an HP3000 and the ASK MANMAN (manufacturing management) system. ASK was FORTRAN based and used HP IMAGE for data management. Lots of hard work and good times. Jack Message: 1 Date: Thu, 23 Feb 2006 18:12:25 -0500 From: "Bob Bradlee" <Bob at BRADLEE.ORG> Subject: Re: US Robotics PC? To: "General Discussion: On-Topic and Off-Topic Posts" <cctalk at classiccmp.org> Message-ID: <200602232323.k1NNNoZ1070982 at keith.ezwind.net> Content-Type: text/plain; charset="iso-8859-1" Back in the late 70's the guy who started US robotics was building modem kits and systems with a guy names Terry who had a computer shop Midwest Micro Computer in lombard Il. It was second only to Itty Bitty Machine Company just off the Northwestern campus in Evenston as the first computer store in the Chicago area. Terry wanted me to help him fix a bunch of modem kits that were being solid the US Robotics name, I was shocked at the choice of name, and was told he went out of his way to secure the name and trademark, that was why we had to fix the kits he could not get working ASAP. Wish I could think of Terry's last name That one will bug me a while :( Any Old time Windy City hackers remember Terry ? Here is one for the crowd, Does any one else at the founding meeting of the Chicago Computer Society met for the first time at Devry and Ward C of CBBS and Modem1 through 7 fame asked everyone to stand up and sit down in response to what universal question ? BTW: the computer you are thinking about was z-80 ran cpm and wordstar and an early spread sheet and a hack of what became eventually Xmodem because that was about all there was then. I think the printer was the first used of the epxon FX80 not to be confused with the MX80 that came along a few years later. The FX printer was very popular in early Point of Sale systems. Thanks for bringing up a fresh batch of old memories. Bob Bradlee On Thu, 23 Feb 2006 14:08:21 -0800, Chuck Guzis wrote: >This was back, oh, in about 1978. I was at one of the trade shows >(don't remember which one) and there was a fellow with a computer with >integrated monitor, disk drives and a printer (sticking out of the top) >in a fairly large black box--probably Z80, but I can't be sure. >I remember that it was USR because of the unusual name of the company. >Has anyone else ever seen one of these beasts? >Cheers, >Chuck -- No virus found in this outgoing message. Checked by AVG Free Edition. Version: 7.1.375 / Virus Database: 268.1.0/269 - Release Date: 2/24/2006

20 years, 6 months

3
2
0 0

US Robotics PC?

by chrism3667＠yahoo.com

IINM the founder (or something) of USR lives in this general vicinity (Ocean Cty., NJ). Doubt I could track him down solely based on the account of someone whn bought a bow of motors from him (:O),...but I could try. Maybe hed know... --- cctech-bounces at classiccmp.org <aw288 at osfn.org> wrote: > > I remember that it was USR because of the unusual name of the company. Has > > anyone else ever seen one of these beasts? > > Never saw one, and I often cleaned up USRs junk room. > > William Donzelli > ex integrat at usr.com > aw288 at osfn.org > __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com

20 years, 6 months

3
2
0 0

bogus auction for Altair system on eBay

by jfoust＠threedee.com

At 09:57 PM 2/22/2006, vrs wrote: >> >Seconded. ebay and paypal exist for the buyer, not the seller. I had a >> >friend sell something online for $80, then take the money out. 2 weeks >> >later the buyer claimed that "his computer was taken over by hackers" >> >and denied ever buying the item (which was virtual, ie. no physical >> >product to ship or track). paypal tore the $80 out of his account, Welcome to credit card processing. It favors the customer not the seller. It doesn't get any better in real life. If your business accepts credit cards, you can bet that you'll be on the hook if the transaction is called into question for any reason. >PayPal has a different revenue model, and a different set of biases. >They also have to deal with restrictions imposed by credit card >transactions. As a result, PayPal is much more biased toward the >buyer. I don't know how you can have an auction process for relatively low-cost goods while keeping transaction costs low AND incorporating some kind of dispute resolution or escrow service. Good, fast, cheap; pick any two. It's even true of any mail order business: Customer says they opened the box and it was full of packing peanuts and a chunk of wood, not their computer part. What happens? - John

20 years, 6 months

3
2
0 0

stupid Ebay pus monkeys war Re: Stupid eBay user du jor

by chrism3667＠yahoo.com

what about this larry.. guy on the west coast. What a friggin moron! He apparently bought up ALL the Zenith Z-100s west of the Mississippi (the rest belongs to another ass-carrot named Herb right here in the great state of NJ. But excuse me, I feel the sudden urge to projectile vomit). At each and every auction he says its the last one hes got. So I shoot him an e-mail question, and his reply begins with - understand...I dont know you. And he refused to give a shipping quote until after I bid. --- cctech-bounces at classiccmp.org <ard at p850ug1.demon.co.uk> wrote: > > > Even if the seller is not a collector and knows nothing about what he's > > > selling? > > > > Yep, even then. They should take a little bit of pride in their work, and also > > do the rest of us the common courtesy of first checking anything that they > > present as fact. > > > > If the former isn't possible, there's absolutely nothing wrong with listing an > > item and admitting that they know nothing about it! If the seller knows > > nothing about the item, there's no reason for not just saying so... > > Exactly. > > I've bought many things over the years -- at radio rallies (hamfests), in > second-hand shops, and on E-bay -- where the seller doesn't know much, if > anything, about it. Maybe it turned up in some scrap, maybe it came from > the estate of a relative, whatever. Often I've done rather well by > recognising something that others haven't recognised (equally, I've > kicked myself a few times for _not_ recognising something as the missing > part I need to complete a <foo>). > > And I have no problem with sellers not knowing much about the item. > Nobody can know everything. > > That does not excuse them from making up false information. IMHO they > should either take the time and trouble to check (which may boost the > final selling price, so it could be to their adbantage), or just say > noting. Present the facts (in this case just quote what it says on the > nameplate), let the buyers decide. > > IANAL but I think that presenting false information like this would be > classed as misrepresentation. And even 'innocent misrepresentation' -- > giving false information when you had no reason to suspect it was false, > is an offence. > > -tony > __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com

20 years, 6 months

1
0
0 0

C Compilers for (MS)DOS

by chrism3667＠yahoo.com

dont know how small it is, but Herb Shildts C - the complete manual (I think thats the title, its orange, black and white) by Osborne has the source for a C interpreter (dont know if its 16 or 32 bit. My rather rotten guess is its meant to be compiled as a VC++ console app). There was also a C interpreter as part of some MS package (maybe Quick C?). Now everyone can jump for joy at such glad tidings. --- cctech-bounces at classiccmp.org <cclist at sydex.com> wrote: > On 2/23/2006 at 12:04 AM Gary Sparkes wrote: > > >How about anything that'd fit on an atari portfolio, in 64kb ram card?:) > > How about the Small-C interpreter? Should fit in 64K just fine: > > http://www.cpm.z80.de/small_c/smc88dos.zip > > Cheers, > Chuck > > __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com

20 years, 6 months

1
0
0 0

Stupid eBay user du jor

by r_a_feldman＠hotmail.com

Except when you are talking about Ashton-Tate's DBaseII, where they felt no one would buy it if it were a first version, so they made it sound like a second version. :) Bob Message: 20 Date: Sat, 25 Feb 2006 04:19:47 -0500 From: "'Computer Collector Newsletter'" <news at computercollector.com> Subject: Stupid eBay user du jor <snip> ... but geez, the only research this doofus had to do is to read the big letters on the cover of the instruction manual ... Where it says "II" as in "not the first." :) <snip<

20 years, 6 months

3
2
0 0

Kaypro 10 Western Digital Hard Disk Controller WD 1002-HD0

by j.e.vandergeest＠zonnet.nl

Any schematic available for the WD 1002-HD0 Need them badly Jos

20 years, 6 months

4
5
0 0

Squeal on Older Hard Drives

by Billy.Pettit＠wdc.com

Tony Duell wrote: Is it, though? The spring is not to ground the whole drive, it's to ground the spindle/disks. Apparently, static buildyp on the disks can cause read errors (it induces small signals in the read heads), and the bearings may not be that good a conductor due to the lubricant forming an insulating film. Certainly just about all hard drives (including the demountable ones on my '11s) have grounding contacts. You would therefroe think they performed some useful purpose. -tony It was a lot more serious than mere read errors. The static charge on the surface of the disks could build up to thousands of volts in just seconds. And its main discharge path was through the heads - they were the closest to the charge. I changed many a head on the early 14 inch drives that had a clean little burn hole right through the flying surface. The static discharge springs had a metal button that fit on the end of the spindle shaft. It was metal to metal so there was always some wear. If the button wasn't replaced when it wore, the charge wasn't bled off and sooner or later, took out a head and usually the preamp. Maintenance schedules always included cleaning and inspecting the springs. Very quickly, other schemes can into use that alleviated the need for the discharge spring. The most practical was a ferrofludic seal on the top of the bearings. The design goal was a path of around 10K ohm to ground. That would bleed off the charge but not put a spike on the ground. Tony is right about bearings not being that good of a path. But ferrofludic seals were excellent and the resistance could be controlled. They came in about the time of the transition from 14 inch to 8 inch drives. So some 14 inch drives didn't need a static discharge spring, but most did. I only saw one 8 inch drive with a discharge spring. After that, the ferrofludic seal was standard. I would never ever bend a spring away from the spindle. Too many bad experiences. The noise was a necessary pain. You can ease it by moving the spring slightly, so a different part of the button is touching. All the designs I know have oblong holes on the spring, so you can tweak the adjustment. It's unfathomable to me why an OEM would tell its customers to bend the spring away from the spindle. Billy

20 years, 6 months

5
5
0 0

Xenix 286?

by cclist＠sydex.com

On 2/21/2006 at 7:35 PM vrs wrote: >I am certain that Xenix/286 doesn't page. It does swap, much like early >PDP-11 Unix kernels. But you will need enough RAM to load the kernel plus >your largest process. Certainly not page--there's no native paging facility in the 286. That came with the 386. However, the 286 can run segmented code and swap segments in and out of memory. One could, I suppose, define a 64K page size and fill the descriptor table with entries and so, in theory, have a virtual memory size of half a gig. But you'd have to tread selector arithmetic something awful. AFAIK, no OS ever did this on the 286. Cheers, Chuck

20 years, 6 months

10
23
0 0

Give-away: 3Com EISA NICs, ICL DRS8801 manuals

by peter.hicks＠poggs.co.uk

All, I have the following up for grabs: * ICL DRS 8801 manual (Users Guide and Ready Reference) * Five or so 3Com EISA network cards Available for pickup from Central London (Camden/Euston area), or I can post if anyone wants to pay postage. Contact me off-list. Best wishes, Peter. -- Peter Hicks | e: my.name at poggs.co.uk | g: 0xE7C839F4 | w: www.poggs.com A: Because it destroys the flow of the conversation Q: Why is top-posting bad?

20 years, 6 months

1
0
0 0

OT: Found what I need / re: Teletype 31

by news＠computercollector.com

Okay, found what I need thanks to the Greenkeys list. :) If anyone else cares: http://www.baudot.net/gil/tty-machines/M31-KSR.htm http://www.baudot.net/teletype/M31.htm As for eBay and stuff: everyone quit giving me shit please. I just thought it was funny that something was clearly labeled "II" and the seller posted it as "first". So lay off.

20 years, 6 months

1
0
0 0

Fischertechnik Interface / Documentation?

by mokuba＠gmail.com

I'm assisting in the construction and control of a robot for a competition with my highschool based around a "fischertechnik interface". I don't have any documentation or information on this interface, besides the fact that it's parallel port controlled and most of the control was done through various BASICS (C64, Apple 2, etc) I'm not even sure the documentation I have with the basic listings is for this interface. I'm hunting for information, but there isn't much avalable for this. The only real distinctive markings are "32372 - 1188 HD", FCC ID FZQ2WT UNIVERSAL... it's a black bottom with a clear plastic topped case, there's two sets of voltage inputs plus what appears to be a ground. there appears to be two parallel port pin headers? plus the header for output and motor control (four motor circuts) If it helps, there's a blank IC spot with "4050" in it. -- Gary G. Sparkes Jr. KB3HAG

20 years, 6 months

2
5
0 0

terminals guides on ebay

by legalize＠xmission.com

Hi, I've been creating 'guides' on ebay for various terminals. I'd apprecaite any feedback you might have. Please understand that the manufacturer guides are "works in progress". Its pretty limiting to have only 10 pictures per guide... Collecting Vintage Serial Terminals <http://tinyurl.com/q54hc> Beehive Serial Terminals <http://tinyurl.com/md49g> DEC Serial Terminals <http://tinyurl.com/nntky> -- "The Direct3D Graphics Pipeline"-- code samples, sample chapter, FAQ: <http://www.xmission.com/~legalize/book/> Pilgrimage: Utah's annual demoparty <http://pilgrimage.scene.org>

20 years, 6 months

2
1
0 0

Seeking various manuals ($$$)

by sellam＠vintagetech.com

I have a new bounty out for manuals for the following products: Numerix MARS-432 (also known as NMX-432) - a coprocessor baord for the VAX Floating Point Systems 164 (FPS 164) CDC Cyberplus & Advanced Flexible Processor (AFP) Culler 7 If you've got any of these manuals please reply directly to me <sellam at vintagetech.com>. There is a cash reward for producing these manuals. Inquire for details. -- Sellam Ismail Vintage Computer Festival ------------------------------------------------------------------------------ International Man of Intrigue and Danger http://www.vintage.org [ Old computing resources for business || Buy/Sell/Trade Vintage Computers ] [ and academia at www.VintageTech.com || at http://marketplace.vintage.org ]

20 years, 6 months

1
0
0 0

Teletype 31?

by news＠computercollector.com

Searched and searched, but couldn't find any information / photos. Can anyone help? ----------------------------------------- Evan Koblentz's personal homepage: http://www.snarc.net Computer Collector Newsletter: >> http://news.computercollector.com Mid-Atlantic Retro Computing Hobbyists & Museum: >> http://www.marchclub.org >> http://groups.yahoo.com/group/midatlanticretro/

20 years, 6 months

1
0
0 0

Osborne Executive CRT circuitry

by dgriffi＠cs.csubak.edu

I'm trying to restore an Osborne Executive, but there seems to be something wrong in the CRT circuitry. The machine powers up and beeps, but I see nothing on the CRT. Fiddling with the CRT pots does nothing. I hear none of the expected noises from the CRT circuitry, nor do I see or smell anything burnt. Can someone here point me in the right direction? -- David Griffith dgriffi at cs.csubak.edu

20 years, 6 months

11
24
0 0

DS200

by kth＠srv.net

Anyone have schematics of the power supply for a DecServer 200? Have a dead one, and before I start poking around, I'd like some kind of reference for it. Definately in the PS, fans not running, and swapping in a good PS from another broken unit makes it work.

20 years, 6 months

2
1
0 0

Amstrad PCW

by a.beal＠btinternet.com

Dear folks, Is anyone interested in an Amstrad PCW 8512 in good working order (720k drive belt recently replaced, spare belt for 360k drive available) with plenty of discs, Locoscript, Super Type and Desktop publishing software, printer, spare printer cartridge? A second PCW8512 also available with printer - but this needs new drive belts fitted to its disc drives. I am in the UK - Leeds (West Yorkshire). Best wishes, Alasdair Beal a.beal at btinternet.com

20 years, 6 months

1
0
0 0

TI and firsts

by nospam212-cctalk＠yahoo.com

I was scanning some of my TI-99/4A docs and noticed this on the back cover... "Texas Instruments invented the integrated circuit, the microprocessor, and the microcomputer. Being first is our tradition." The microprocessor? Anyone know what they use to make that claim? David http://www.trailingedge.com

20 years, 6 months

4
5
0 0

"my books" web site?

by compoobah＠valleyimplants.com

You need to ask yourself what exactly you are trying to do with the software. ILS (library automation) software is probably overkill. MARC import (what's been talked about- you enter the ISBN and it pulls over MARC cataloging data from LC/Marvel [most often] and/or a proprietary database) is excellent for library use, but a number of specialized books don't have LC CIP data easily available, and need to be entered by hand. #2 question is do you need circulation. Most of these systems are designed to implement electronic CIRC, which could be nice if you routinely lend books out, but could also be a hassle. Things to check: Haven't had much experience with Readerware, looked at Athaenium (you can still get the free version) but it doesn't have MARC import or seperate bib/holding records (might not matter for the private collector) Koha looked interesting, Mandarin M3 could also be used. An advantage of these is that they are set up for an internet environment. M3 has many optional modules that are $$$, Koha is all free. Both look like they could support a fairly large-size library. The downside of M3 is that (a) only runs on windows (b) if you aren't familiar with MARC, you're sunk. There's another free ILS program that sounds very good but I can't remember the name right now. I can remember that its major fault is that it is only available in Portugese (Brazil funding, written at a Brazilian university). A spreadsheet might be your best shot. A filter to convert EAN (most book barcodes) to ISBN should not be hard, it's just a matter of stripping the first two digits and then putting the proper last digit on. Downside is that you can't search or track circ.

20 years, 6 months

4
5
0 0

Squeal on Older Hard Drives

by Billy.Pettit＠wdc.com

Jules Richardson wrote: > ... although the spring seems to be the norm on 5.25" hard drives, presumably > for cost reasons? I can't answer that. None of the 5.25' drives I worked on had a spring. You are probably right; the spring is way under a dollar, while the ferro seals were several dollars each. >> I would never ever bend a spring away from the spindle. Too many bad >> experiences. The noise was a necessary pain. You can ease it by moving the >> spring slightly, so a different part of the button is touching. All the >> designs I know have oblong holes on the spring, so you can tweak the >> adjustment. It's unfathomable to me why an OEM would tell its customers to >> bend the spring away from the spindle. >Hmm, unless on 5.25" drives they have both the spring and the magic seals for >some reason - although I can't think why. If so though, maybe the advice about >bending the spring only applies to 5.25" drives? Can't answer 'cause again, I have never seen such a drive. But I find it very hard to believe that a drive manufacturer would design in the static discharge spring and then recommend it be disabled. Margins on disk drives are minuscule. Every item that can be cut, is. I know of entire teams working on 2 and 3 cent cost reductions. To add an unnecessary part costing a dollar is madness. I have changed dozens of heads and preamps blown by worn springs. So I'm a believer. I admit it. I've too many bad memories of loose or worn static springs destroying electronics. And, by the way, the discharge through the head creates an intense magnetic field and usually erases a chunk of data on the disk. It's a real nasty gotcha. I've worked daily with hard disk design since 1976, and static is one of the biggest nightmares in this world. It gets worse with time. Moving to the first MR heads, involved revamping the entire factory, eliminating any potential charge over 100 volts. GMR took that down to sub-10 volt. Now, with TunnelingMR and Perpendicular heads, the level goes down again. We are working with flying heights smaller than the wave length of visible light. So it doesn't take much of a charge to bridge the gap. And static also has some very exotic effects on magnetic domains in a modern head; a whole new industry has grown around suppressing static electricity in disk drive production. The older drives you are talking about don't share this new type of weirdness. But static was always a major problem because of the disk ripping through the air. Static is a natural consequence of the technology. >I wonder why the squeal happens? Whether it's wear on the spring side or the >spindle side? If the former, then a donor spring from a scrap unit could fix >things. The springs are designed to wear, albeit slowly. You do not want any wear on the spindle. And it is normally a very hard stainless steel. The button on the spring is usually an ablative type of material so it will wear before the spindle. The squeal comes from uneven wear creating vibration. The same as the squeal from worn brakes on your car. The frequency is usually determined by the length of the spring and its tension. >I also wonder if using graphite grease is a viable way of curing the problem - > or if the grease just wouldn't last long enough or wouldn't provide a useful >ground path... Graphite was tried. And various type of grease. But you are dealing with a constantly spinning piece of metal. It usually sloughs off any lubricant quickly. And that creates a new problem of introducing contaminants all over the base of a drive. Eventually, some of them make it back through the breather filters or the bearings. And yes, the static spring had the same problem, though to a lesser degree. It was not the ideal solution by any means and was eliminated as quickly as possible. Billy >cheers >Jules

20 years, 6 months

1
0
0 0

Kaypro 10 Western Digital Hard Disk Controller WD 1002-HD0

by CCTalk＠catcorner.org

I have the manual here somewhere. I also found it online at bitsavers I think. If I don't get back to you in a couple of days, send me a reminder. I doesn't include the scematic, just a block function diagram. > ---------- > From: Glen Goodwin > Reply To: General Discussion: On-Topic and Off-Topic Posts > Sent: Friday, February 24, 2006 1:07 PM > To: On-Topic and Off-Topic Posts > Subject: Re: Kaypro 10 Western Digital Hard Disk Controller WD > 1002-HD0 > > Good luck! I think I have every bit of documentation > Kaypro ever produced (including internal-only docs) > and there appears to be NO schematic of the disk controller > board. > > If someone can prove me wrong, I could use that > schematic as well . . . > > Glen > 0/0 > > j.e. van der Geest wrote: > > Any schematic available for the WD 1002-HD0 > > Need them badly > > Jos > > >

20 years, 6 months

1
0
0 0

TI and firsts

by dwight.elvey＠amd.com

Hi How foes Fairchild fit into this. It is true that the F8 was a two chip setup but then no more then the 4004 was a single chip processor. The ROM and RAM devices on the 4004 buss watched the instruction stream and did things based on the instruction. Where does that fit in with TI? Dwight >From: nospam212-cctalk at yahoo.com > >I've seen the Ray Holt thing before but wasn't >familiar with Gilbert Hyatt. So it appears that at >the time, TI took on Intel and won the claim, at that >time, to the title of creator of the microprocessor. >Explains their statement now. > >--- 'Computer Collector Newsletter' ><news at computercollector.com> wrote: > >> And then there's Ray Holt: >> http://www.microcomputerhistory.com/ >> >> -----Original Message----- >> From: cctalk-bounces at classiccmp.org >> [mailto:cctalk-bounces at classiccmp.org] >> On Behalf Of William Maddox >> Sent: Thursday, February 23, 2006 10:31 PM >> To: General Discussion: On-Topic and Off-Topic Posts >> Subject: Re: TI and firsts >> >> --- nospam212-cctalk at yahoo.com wrote: >> >> > "Texas Instruments invented the integrated >> circuit, the >> > microprocessor, and the microcomputer. Being first >> is our tradition." >> > >> > The microprocessor? Anyone know what they use to >> make that claim? >> >> Google for "Gilbert Hyatt microprocessor" >> >> >> > >David Williams >http://www.trailingedge.com > >

20 years, 6 months

1
0
0 0

MEM11A boards

by ggs＠shiresoft.com

UPS *just* dropped off the package containing the prototype fabs for the MEM11A memory boards. They look great! I'm hoping to get some time this weekend to populate one and test it out (actually it'll be more like put in a few components, do some checks, "wash, rinse, repeat" until I've got it all populated and working). I'll let y'all know how it goes. -- TTFN - Guy

20 years, 6 months

1
0
0 0

VAXstations in London

by compoobah＠valleyimplants.com

>All those caveats aside, you mean? 8?/ Not really, I don't find those caveats very limiting, and the VS3100/76 is a nice small lowish-power Rigel box (7.6 VUPs) that can be had cheaply. VS4000s are substantially more expensive, unless you can source them locally, and the bigger boxes have more proprietary parts that can't be hacked (I'm still trying to figure out how to get a VAX 4200 running with no drive sleds and no real SCSI) My 3176 zipps along fairly well with 32MB of RAM, a 2GB IBM disk, and a WY-150 console (I took a 6 position modular jack and shaved off the latch with a chisel. It stays in pretty well on its own, and can be taped or otherwise clipped if falling out is a problem). I've had no problems with the 1 GB limit yet (VMS is stable, I've managed to crash UNIX much more often), but I've heard that the dump option that scribbles on bigger disks can be shut off. 3100/76s (of course-they're DEC) use proprietary RAM, but on a VAX 16 MB should be O.K., especially if you aren't running DECwindows. You could take both /76s and cluster them, even, if you want more fun. The proprietary SCSI connector can be gotten around by balancing an old Toshiba on the box with the cover off. The drive plate ensures that the processor is sufficiently cooled, even with the cover off. Go ahead and grab one, I would if they were closer.

20 years, 6 months

4
4
0 0

MS-DOS 2.0 and "semi compatibles"

by CCTalk＠catcorner.org

> -----Original Message----- > From: Chuck Guzis [mailto:cclist at sydex.com] > Sent: Thursday, February 23, 2006 8:55 PM > On 2/23/2006 at 8:26 PM Kelly Leavitt wrote: > > >Well, there are 8 or 10 programs on the disk in question. > Shouldn't MZ > then > >show up 8 or 10 times. If I find a good hex editor I can read the DIR > >structure and figure out where the files start and see what is there. > > No--not in the case of .com files, which are just memory > images ORG-ed at > offset 100 in the PSP. No structure at all. > > For a useful hex/ASCII file browser, Vern Buerg's LIST is > hard to beat--and > you don't need windows for it. > > http://www.buerg.com/ D'OH! I LOVE list, just haven't used it in a LONG time. Of course, now I need to add a TCP/IP stack to my disk imaging machine. Disks are getting tiresome, and rebooting to Linux when I have the images, or need something from the net is bothersome. Time to dig up the WFW disks...

20 years, 6 months

3
2
0 0

MS-DOS 2.0 and "semi compatibles"

by CCTalk＠catcorner.org

> -----Original Message----- > From: Chuck Guzis [mailto:cclist at sydex.com] > Sent: Thursday, February 23, 2006 8:23 PM > On 2/23/2006 at 7:05 PM Kelly Leavitt wrote: > > >I just imaged a disk of an MS-DOS compatible computer (Tandy > 2000). Does > >anyone here know the magic number of an exe under ms-dos 2.0? I had > assumed > >that it was MZ, like current exe files, but I only see 2 or > 3 occurrences > >of this in the entire data stream from the disk. On the plus > side, I see > LOTS > >of strings that tell me I have actually read the contents of the disk > (this > >machine used DS/QD drives). > > Why does this surprise you? I think that it'd be safe to say that the > preponderance of executables in the old 2.0 and before days were .COM > files. But AFAIK, it's always been MZ--though I can check my > DOS 2.0 and > DOS 1.1 docs for you. Well, there are 8 or 10 programs on the disk in question. Shouldn't MZ then show up 8 or 10 times. If I find a good hex editor I can read the DIR structure and figure out where the files start and see what is there.

20 years, 6 months

3
2
0 0

online books for download

by rtellason＠blazenet.net

Some of you might find this site to be of interest: http://www.pmillett.com/tecnical_books_online.htm -- Member of the toughest, meanest, deadliest, most unrelenting -- and ablest -- form of life in this section of space, a critter that can be killed but can't be tamed. --Robert A. Heinlein, "The Puppet Masters" - Information is more dangerous than cannon to a society ruled by lies. --James M Dakin

20 years, 6 months

1
0
0 0

Should this be considered an ancestor of laptops?

by news＠computercollector.com

http://www.oldcomputers.freeserve.co.uk/newbrain-inside-grundy.html It does have a small display, but it seems like the primary use is with an external monitor. ----------------------------------------- Evan Koblentz's personal homepage: http://www.snarc.net Computer Collector Newsletter: >> http://news.computercollector.com Mid-Atlantic Retro Computing Hobbyists & Museum: >> http://www.marchclub.org >> http://groups.yahoo.com/group/midatlanticretro/

20 years, 6 months

4
10
0 0

MS-DOS 2.0 and "semi compatibles"

by CCTalk＠catcorner.org

Another string in the some of the disk images: Chris Peters helped with the new dos! Microsoft rules ok Heh!

20 years, 6 months

1
0
0 0

WTD: Card separators/risers

by dwight.elvey＠amd.com

Hi I'm sure McMaster-Carr has them but of the original group he stated also had them. He was just looking under the wrong name. He should have been looking for standoffs or spacers. The digikey catalog on my lap has them indexed as Harware/Spacers/Standoffs. As a general rule, any hardware that McMaster-Carr doesn't have just plan doesn't exist. Dwight >From: "Don North" <ak6dn at mindspring.com> > >Try this place: http://www.mcmaster.com/ ... under the section >FASTENING AND SEALING click SPACERS. > >If they don't have it, it does not exist, and you will have to make it >yourself. > >>> Hi - >>> I searched for card separators on Digikey, Code Micro, or Jameco (some >>> people call them "risers.") - no specific luck. I have emailed them for >>> assistance. In the mean time... >>> >>> As I wrote before I am trying to install a small computer board on top of a >>> computer motherboard, so that the smaller board is about 9/16" separated >>> from the motherboard. There is not much clearance and I want to just make >>> it a few hairs above the IC's on the motherboard or I can't close the lid >>> of the computer. There are holes in both boards that line up for the >>> risers (the small board is made to be attached to the motherboard with >>> risers). My local Radio Shack's card separators/risers are either too >>> short or too tall. >>> >

20 years, 6 months

1
0
0 0

US Robotics PC?

by cclist＠sydex.com

This was back, oh, in about 1978. I was at one of the trade shows (don't remember which one) and there was a fellow with a computer with integrated monitor, disk drives and a printer (sticking out of the top) in a fairly large black box--probably Z80, but I can't be sure. I remember that it was USR because of the unusual name of the company. Has anyone else ever seen one of these beasts? Cheers, Chuck

20 years, 6 months

3
3
0 0

WTD: Card separators/risers

by billdeg＠degnanco.com

Hi - I searched for card separators on Digikey, Code Micro, or Jameco (some people call them "risers.") - no specific luck. I have emailed them for assistance. In the mean time... As I wrote before I am trying to install a small computer board on top of a computer motherboard, so that the smaller board is about 9/16" separated >from the motherboard. There is not much clearance and I want to just make it a few hairs above the IC's on the motherboard or I can't close the lid of the computer. There are holes in both boards that line up for the risers (the small board is made to be attached to the motherboard with risers). My local Radio Shack's card separators/risers are either too short or too tall. The card separators/risers have screw holes on either end so that you can fasten them to the boards. Does anyone in this group have four 9/16" risers that they'd like to sell or trade me? I actually found two in my supplies, but I need four of the same height. If anyone would like a picture to get a better idea of what I need, let me know via private email. Bill Degnan

20 years, 6 months

3
2
0 0

bogus auction for Altair system on eBay

by dwight.elvey＠amd.com

>From: "Lance Lyon" <lance.w.lyon at gmail.com> > >From: "Dwight Elvey" <dwight.elvey at amd.com> > >> Most shill's can be noticed by looking at the buyers records. >> If they have a lot of buying from the same seller, it is a good >> chance that they are a shill. > >Not always the case, I sell quite a bit of Commodore equipment & I have >regular buyers (in fact one guy has bought 28 items from me in the last four >years). In the same vein, there are sellers that I have bought many items >off because they have what I want, and they are reliable. > >The statement is way too broad. > >cheers, > >Lance > >// http://landover.no-ip.com > Classic machines, classic software // > Hi I would suspect that those buyer also buys from many others. I meant that the buyer only buys from one seller and buys many types of items. I doubt this is the case you have mentioned. Dwight

20 years, 6 months

1
0
0 0

HP2648A tape drive capstans

by legalize＠xmission.com

Hey, so I'm glad that I read a web page (can't remember the URL, sorry... linked from the Nike Missile site, I think) about refurbishing deteriorated parts in old machines. I bought a 2648A main unit (would love a keyboard for it, if anyone has an extra) and opened it up last night. The tape drive capstans have turned to a puddle of goo! So I figure that if I ever want the tape drive to be in working order, that I need to: i) remove the goo ii) recreate/replace the capstan Does anyone have a unit with an intact capstan that could give me physical dimensions? I doubt anyone has a repair kit that would include the capstan, but that would certainly be welcome! Aside from the capstans and a little dust inside the case, the internals look fine. The case has a small crack in one corner, but otherwise appears in typical condition for its age. This thing is basically a microcomputer... when I used them back in 1979, I had no idea that there was this much electronics inside the thing! I do have the user manual from bitsavers, but it doesn't go into repair stuff, just installation (which is how I figured out how to open the case) of options. As always... thanks! -- "The Direct3D Graphics Pipeline"-- code samples, sample chapter, FAQ: <http://www.xmission.com/~legalize/book/> Pilgrimage: Utah's annual demoparty <http://pilgrimage.scene.org>

20 years, 6 months

6
16
0 0

bogus auction for Altair system on eBay

by dwight.elvey＠amd.com

>From: "Dan" <ragooman at comcast.net> > >Lurker here, > >Just keep in mind that as with any other business(and auctions) there's >always a shill to artificially inflate the bidding for an auction. eBay >is notorious for this as they have absolutely no precautions(nor >security) against this. I know because I've found how this done very >easily, anyone who has access to internet can do this. The seller can >easily just as well have numerous eBay screenames/accounts and bid >against his own auction to drive up the price(and act as his own shill). >So what looks like an act of stupidity is easily just a ploy by the >shill to aggravate you into bidding more for his/their product. eBay has >no type of screening whatsoever to prevent this type of thievery. Just >be forewarned. > >=Dan > > ---snip--- Hi Most shill's can be noticed by looking at the buyers records. If they have a lot of buying from the same seller, it is a good chance that they are a shill. Also a quick check of the sellers feedback will often find several shill names. Ebay doesn't seem to do much more than warn the seller when they are notified. This is even when it is obvious shilling. Dwight

20 years, 6 months

4
3
0 0

Xenix 286?

by compoobah＠valleyimplants.com

{The Design of OS/2} by Deitel and Kogan (how do you delineate titles of books when you can't underline or italicize?) seems to indicate that the triple fault switch back to real mode is relying on a "feature" of the 80286, since for the reset method it talks about the hardware involved (keyboard controller on AT, I/O port electonics on PS/2). The book also makes the note that "compared ot the other alternatives, the process [triple faulting] is a slow one" (285).

20 years, 6 months

4
3
0 0

WTD: Card separators/risers

by dwight.elvey＠amd.com

Hi These are usually called standoffs. Digikey has many types and sizes. Give me material and thread sizes and I can give you a digikey part number. Dwight >From: "B. Degnan" <billdeg at degnanco.com> > >Hi - >I searched for card separators on Digikey, Code Micro, or Jameco (some >people call them "risers.") - no specific luck. I have emailed them for >assistance. In the mean time... > >As I wrote before I am trying to install a small computer board on top of a >computer motherboard, so that the smaller board is about 9/16" separated >from the motherboard. There is not much clearance and I want to just make >it a few hairs above the IC's on the motherboard or I can't close the lid >of the computer. There are holes in both boards that line up for the >risers (the small board is made to be attached to the motherboard with >risers). My local Radio Shack's card separators/risers are either too >short or too tall. > >The card separators/risers have screw holes on either end so that you can >fasten them to the boards. > >Does anyone in this group have four 9/16" risers that they'd like to sell >or trade me? I actually found two in my supplies, but I need four of the >same height. If anyone would like a picture to get a better idea of what I >need, let me know via private email. > >Bill Degnan > >

20 years, 6 months

3
2
0 0

Squeal on Older Hard Drives

by marvin＠rain.org

Interesting FYI ... Like anyone who has been around the early days of micro HDs, I have heard HDs make an attention getting squeal. After a while, we knew/found out that it was caused by the grounding spring on the bottom of the drive, and bend it out of the way. In glancing through some old Compaq Service Bulletins, I saw IN PRINT that the fix was to remove the grounding strap with the comment that the drive is adequately grounded though other contact points.

20 years, 6 months

4
3
0 0

need docs and warez for IBM System/23 Datamaster (5322)

by chrism3667＠yahoo.com

good luck I know. Maybe someone could at least tell me how to get into the BASIC interpreter (if it really has one). Does this thing really have an 8085? Maybe I have to look again. Neither I nor the bloke who gave it to me could find it. Certainly has alot of strange looking IBM house #ed chips. I hate proprietary ****. __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com

20 years, 6 months

3
2
0 0

"my books" web site?

by legalize＠xmission.com

Does anyone know of a web site with a full ISBN catalog of books where you can build a "my books" collection? I'm thinking of something similar to the "My Movies" section of <http://www.imdb.com> or the "DVDs I Own" section of <http://www.tvshowsondvd.com>. Amazon gives you a checkbox that says "I own it", but no way to list all the books you've marked as such. I think they only use this for product suggestions and don't let you build a collection list on their site. There seem to be software products devoted to book collectors, but I'm looking for something really simple. Any suggestions? -- "The Direct3D Graphics Pipeline"-- code samples, sample chapter, FAQ: <http://www.xmission.com/~legalize/book/> Pilgrimage: Utah's annual demoparty <http://pilgrimage.scene.org>

20 years, 6 months

7
12
0 0

WTD: Card separators/risers

by marvin＠rain.org

One thing that I've seen used for separating cards are wire-wrap pins. For what you are doing, it sounds like they would work quite well ... assuming you can solder them in place. If not, what about plastic or aluminum standoffs available at most any electronics supply place? > Does anyone in this group have four 9/16" risers that they'd like to sell > or trade me? I actually found two in my supplies, but I need four of the > same height. If anyone would like a picture to get a better idea of what I > need, let me know via private email. > > Bill Degnan >

20 years, 6 months

1
0
0 0

Japan bans old electronics

by r_a_feldman＠hotmail.com

This was reported on the HPLX mailing list: >from http://www.engadget.com/2006/02/22/japan-bans-old-electronics-as-of-april-1/ <quote> It seems that Japan's government revised its "Electrical Appliance and Material Safety Law" back in April 2001, and added a stipulation that items authorized under the country's old law (the "Electrical Appliance and Material Control Law") couldn't be sold anymore, but granted those products a five-year grace period. Well, if you check your convenient wall calendar, you'll see that the five-year period is about to end, which means that as of April 1, pretty much any electronic gear sold before April 1, 2001 can't be legally resold in Japan. </quote> There are some loopholes mentioned. Bob

20 years, 6 months

4
3
0 0

VAXstations in London

by compoobah＠valleyimplants.com

>I would be most interested in one, but it's over a decade since I last >even /saw/ a VAXstation. I've no idea how to choose the most powerful >out of that lot! It depends what you want to run on them, too. The /76 won't run Ultrix, and mine is a bit flakey with NetBSD (haven't managed to get it completely installed with either 2.0 or 3.0 without crashes and weirdness). VMS runs great, though. (I have v7.2 on mine, the only problem with the hobbyist distro is that the 5.0 UCX on the Hobbyist V2 CD doesn't properly do Telnet. Don't know how well 7.3 works on VS3100 with 16 MB). The /76 also is the smaller case (like the /30). The plus with a Unix is that you can use > 1 GB disks with a < 1GB root partition O.K. I have a 2 GB drive running VMS with crossed fingers, supposedly there is a way to turn off crash dumps but I haven't found it yet. The VS3100 has a DA15M connector for video that looks a bit like a ERGO but is not, you'll need an adaptor at least. Base 3100/76 video is B&W unless you have the SPX option. You also need a LKA-type keyboard and VX-type mouse. SW3 can be flipped to put the console on the printer port, though. Remember it has the bizarre SCSI connector on the back (SUN SL-CD/XM-4101 drives work for install, though, and are easy to move around). Nice little boxes, though.

20 years, 6 months

2
1
0 0

bogus auction for Altair system on eBay

by compoobah＠valleyimplants.com

>Is this why there are some sellers on ebay that are absolutely hostile >to anything paypal? I even had one seller that would only accept >paypal coupled to a bank account, not a credit card (although how they >could tell I don't know). In the second instance, it was probably because (AFAIK) PayPal nicks you a chunk of change per transaction if you accept credit card based payments. First instance is probably because they are reticent about giving a corporation permission to muck about in their bank accounts.

20 years, 6 months

2
1
0 0

C Compilers for (MS)DOS

by RMeenaks＠olf.com

Watcom C is available which is pretty good. You can also get GCC for DOS as well... Ram > -----Original Message----- > From: cctalk-bounces at classiccmp.org > [mailto:cctalk-bounces at classiccmp.org] On Behalf Of Jules Richardson > Sent: Wednesday, February 22, 2006 6:16 PM > To: cctalk at classiccmp.org > Subject: C Compilers for (MS)DOS > > > > What's the state of play regarding DOS C compilers? I might > have a need to do > some DOS-based C development work - are there any > good-but-free DOS compilers > about? > > I did have Turbo C on tape, but I haven't tried to read those > tapes in years > and wouldn't hold out much hope of them still being intact... > > ta > > Jules > >

20 years, 6 months

4
3
0 0

Ebay "Funnies"

by marvin＠rain.org

Ok, I'll admit it ... I have a perverted sense of humor :). Some number of years ago, I acquired some Hexadaisy circular calculators and sold them on ebay (IIRC about $20.00 each.) I just did a search for "Hexadaisy" on Google and found someone had taken my original description and picture and put it up on their website. I don't have a problem with this, but I do find it funny!

20 years, 6 months

1
0
0 0

Older Monitors

by chrism3667＠yahoo.com

many 16 inch and larger monitors from that era were oem-ed by Sony. I used to find them at TCF for as little as $10 in the mid 90s. The one favorite of mine was the GDM-1932 IIRC, which was Sonys house number, but had an IBM monniker. I never had an issue with them. Not as radiation compliant and certainly more power hungry then a newer model, but the thing had a date code of 1988! Havent pulled them out in a while but I still have 2. --- cctech-bounces at classiccmp.org <teoz at neo.rr.com> wrote: > A thread was started on a forum I frequent about people matching up monitors > with the equipment they collect. I have a few Commodore monitors with my > Amigas, the correct Apple monitor for my IIgs and Atari monitor for my > 1040STF but I could never find a decent working larger monitor for my > vintage 68K Macs. The question I have is do the 19"+ Supermac/Radius type > monitors have such a bad design that they lasted only a few years? How do > early 1990's monitors of that size compare to the monitors that came before > and after them? Also larger older monitors seem to use up quite a bit more > electricity and generate quite a bit of heat (maybe thats why they didn't > last), do you guys have issue with older monitors? > > __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com

20 years, 6 months

1
0
0 0

bogus auction for Altair system on eBay

by cclist＠sydex.com

It might make the most sense in online auctions if ALL bids were snipes. Simply bid what you're willing to pay for the item and if it's more than the reserve and higher than any other bid, you've won it by whatever the bid increment is. That's the way I bid on all of my eBay purchases. When I place my snipe bid, I say "I'd be willing to pay this much for the item, after which either I'm not sufficiently interested or I know where I can purchase the same thing cheaper". There's no stress of seeing if anyone else has bid more than I. If I want the item badly enough, I'll get it--no "auction fever". There are some categories where sniping seems to be the rule more than exception and others where the reverse is true. Cheers, Chuck

20 years, 6 months

7
6
0 0

Robinson's Difference Engine #1 from standard Meccano parts

by bob099＠centurytel.net

http://meccano.us/difference_engines/rde_1/

20 years, 6 months

1
0
0 0

bogus auction for Altair system on eBay

by marvin＠rain.org

I know of an instance where about $10K was held up by PayPal because of a dispute that eventually headed to court. I've never had any problems with PayPal, but I am very careful and distrustful of the "service". I rather doubt that how the funds were transferred has any relevance. > From: Richard <legalize at xmission.com> > > In article <43FCE97A.10303 at oldskool.org>, > Jim Leonard <trixter at oldskool.org> writes: > > > Seconded. ebay and paypal exist for the buyer, not the seller. > > [...] > > Is this why there are some sellers on ebay that are absolutely hostile > to anything paypal? I even had one seller that would only accept > paypal coupled to a bank account, not a credit card (although how they > could tell I don't know).

20 years, 6 months

2
1
0 0

bogus auction for Altair system on eBay

by dwight.elvey＠amd.com

>From: "Chuck Guzis" <cclist at sydex.com> ---snip--- > >The trickier links exploit the more oddball features of browser addresses. > Some older versions of IE, for example will swallow things like >http://www.ebay.com at 1113982819/ (which actually references google). >Sufficiently obscure to fool the casual user. > >Cheers, >Chuck > Hi I receive at least 2 or 3 phishing emails a day. The best defense is to alway log on separately to the acount ( ebay, bank, credit card or what ever ). Never and I mean NEVER!!! use a link from an email to access a password account. If it looks like something from ebay, it will be there in your account on ebay. That is the way to look for it and not by some pointer in an email. Dwight

20 years, 6 months

2
1
0 0

Anyone with an ATW800 (Transputer workstation)?

by RMeenaks＠olf.com

I am VERY VERY JEALOUS! I really wanted one myself but could never find one :-( So, I decided to rig my own using off the shelf transputer TRAMS... The blue book should tell you what the commands are (again on my website). Did you download the latest version of Helios? Also, the set of commands can be found by looking at: http://web.archive.org/web/19970725072307/www.perihelion.co.uk/helios/he lp/General/RebootingHelios.html You should be able to terminate the system from the server that is running... Ram > -----Original Message----- > From: cctalk-bounces at classiccmp.org > [mailto:cctalk-bounces at classiccmp.org] On Behalf Of Dave Dunfield > Sent: Thursday, February 16, 2006 7:58 PM > To: General Discussion: On-Topic and Off-Topic Posts > Subject: RE: Anyone with an ATW800 (Transputer workstation)? > > > > Forgot to mention that this is basically a problem with the > host.con > > file. If you go to the links I provided, it will tell you how to > > change it to work off of the regular monitor. I suspect it is > > configured to run X instead. You can use a regular RGB to > VGA adapter > > which is what most people do. > > Thanks for the helpfull hints. > > I "hot wired" an adapter for a DB-15 to a LCD panel which > does RGB with sync on green, and the system came up perfectly > (Nice screen full of Atari logos in the startup). > > Couldn't find a SHUTDOWN or HALTSYS command ('STOP' produces > the encouraging message 'So far unimplimented') ... but > entering ^D to the X-console causes a flurry of disk activity > terminating with what "could be the sound of a head park"... > and returns control to the Mega/GEM desktop on the Atari > monitor - is this the correct procedure to shut down Helios? > > Very cool system! > > Regards, > Dave > > -- > dave04a (at) Dave Dunfield > dunfield (dot) Firmware development services & tools: www.dunfield.com com Collector of vintage computing equipment: http://www.parse.com/~ddunfield/museum/index.html

20 years, 6 months

3
2
0 0

Another keynote speaker for VCF: David Ahl

by news＠computercollector.com

Well, this is cool! David Ahl, founder/editor of Creative Computing magazine, confirmed today that he'll speak at East 3.0. ----------------------------------------- Evan Koblentz's personal homepage: http://www.snarc.net Computer Collector Newsletter: >> http://news.computercollector.com Mid-Atlantic Retro Computing Hobbyists & Museum: >> http://www.marchclub.org >> http://groups.yahoo.com/group/midatlanticretro/

20 years, 6 months

3
2
0 0

IPC manuals?

by rigdonj＠cfl.rr.com

Does anyone if the HP IPC manuals are scanned and posted online somewhere? I THOUGHT they were but can't find them. Joe

20 years, 6 months

3
2
0 0

Altair Computer on Ebay

by marvin＠rain.org

Nope, it is rather difficult to read prior messages when ClassicCmp is delivered in digest form :). > > Current price is $2.00 with about 10 hours to go (22:30 PST right now.) > > I rather doubt it will stay there :). > > > > You surely didn't read the thread "bogus auction for Altair system on > eBay" on this mailing list. > > vax, 9000 >

20 years, 6 months

1
0
0 0

pinging Jules Richardson

by rigdonj＠cfl.rr.com

Jules, Did you get my message about the Intel 310 manuals? I haven't gotten areply. Joe

20 years, 6 months

1
0
0 0

Altair Computer on Ebay

by marvin＠rain.org

I just noticed this one-day listing of an Altair located in the UK: http://cgi.ebay.com/MITS-Altair-8800-Computer-and-Disk-Drive-No-Reserve_W0Q… Current price is $2.00 with about 10 hours to go (22:30 PST right now.) I rather doubt it will stay there :).

20 years, 6 months

2
1
0 0

Dis-assembler on HP system on ePay

by cclist＠sydex.com

Anyone have any idea what HP system this tape is for? http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=8769781675

20 years, 6 months

2
2
0 0

CUBIX VIDEO KEYBOARD AND MOUSE

by KMD9390＠aol.com

I just read an old message about cubix parts you were looking for. Just wanted to let you know that I have a couple of the little silver boxes known as the FT I/O MODULE if anyone is interested.. KENNETH DOLEN _KMD9390 at AOL.COM_ (mailto:KMD9390 at AOL.COM) 1-918-451-7123 1-918-850-1762 BROKEN ARROW, OK.

20 years, 6 months

1
0
0 0

XENIX 286

by compoobah＠valleyimplants.com

SCO was not blind to the advantages of having single-binaries across the product line when possible, so most XENIX-386 utilities et al were compiled segmented-286. The easiest way to check is as follows, if you have a Linux machine. -build a kernel with SYSTEM V/XENIX/Coherent FS available as a module or built-it -mount the N1 disk (standard SysV FS, bootable), or the image therof -"file xenix" to see the kernel type. 386 kernels will have '386' in the output of the file command. beware -- XENIX tends to be very hardware specific, and at least some of the Wyse distros were linked to Wyse HW. You may or may not be able to get it to install. The 2.3 series seems to be more forgiving than the 2.2 series, though. Remember that you will need a serial/activation code to get it installed and to get the devel environment working. Does anyone here know how the XENIX 'brand' setup works? it somehow modifies the binaries, but I don't have the devel environment or a disassembler so I don't know how.

20 years, 6 months

3
2
0 0

New find & HP-UX p/w? was: Re: RGB-to-VGA adapter

by specklesdad＠twcny.rr.com

I have a zeneth monitor model #cv2562 with a 15pin RGB female fitting, And I am looking to hook it to my computer. I am trying to locate a cable, 15pin RGB male to 15pin RGB male. or A 15pin RGB male to standard computer hook-up. All the info I can find tells me I need a RGB to VGA but when I look at the picture it does not look right. can you help me out. Thank You James Nickal specklesdad at twcny.rr.com

20 years, 6 months

1
0
0 0

Australian rescue for DEC VAX 11/750, 730, and PDP-11?

by jonathan.laventhol＠imagination.com

Hello Friends Anybody able to rescue some good-looking DEC things in Sydney? They're being listed as skipped on the 27th Feb. See Ebay 8769280221 If I wasn't so far away ... Regards, Jonathan.

20 years, 6 months

8
8
0 0

Sound Blaster PCI + DOS?

by bpope＠wordstock.com

Hello, Does anyone know of a Sound Blaster compatible *PCI* card that works under DOS? I have searched Creative Labs website and it looks like their PCI 64 / 128 sound cards will not work under DOS since there are no DOS driver available. :( Thanks, Bryan

20 years, 6 months

6
21
0 0

Old computers in Movies

by jrkeys＠concentric.net

Did anyone else see the PET and other classic computers in the Terminator 3 movie last night? It was in the underground bunker shot.

20 years, 6 months

3
2
0 0

Transferring from PC to PDP11, perhaps virtual devices?

by technobug＠comcast.net

On Tue, 21 Feb 2006 10:52:08 -0600 (CST), JP Hindin <jplist at kiwigeek.com> wrote: > Greetings all; > > I am trying to help out a friend with a data transfer process to > simplify > his business. The goal is to move a couple hundred Megs of data > from a PC > to a PDP11. [...] Just yesterday, a friend running a 11/45 in his business asked me the same question. He wishes to move info in both directions. His problem is that he is running RSTS 6C and he knows of no drivers for ethernet for that version of OS. Migration to a later version is out of the question since the OS has been highly modified. He considered serial and non-DMA parallel ports, but the maximum transfer rate under non-DMA transfers is about 50kB/sec. Since the TU10 interface is fairly simple and DMA we have started looking there for a fast-and-easy route. Any other suggestions? CRC

20 years, 6 months

1
0
0 0

Transferring from PC to PDP11, perhaps virtual devices?

by jplist＠kiwigeek.com

Greetings all; I am trying to help out a friend with a data transfer process to simplify his business. The goal is to move a couple hundred Megs of data from a PC to a PDP11. Currently he has a DOS box with a Pertec controller, which he uses to copy data to a 9 track, and then pulls off on the PDP. This seems... inelegant, I can only assume there is a simpler way. I'm sure I've seen mention of 'virtual devices' on the list where a PC is running some software that makes it appear as a storage device to a piece of vintage hardware, but my Googling is making no headway in finding anything useful towards this end. Am I using the wrong terminology? Could someone point me in the right direction? Any advice? The machine in question is an 11/34 (An SMS FWT machine, actually), which has an 8" drive (unsure of it's model, it is built into the cabinet), Winchester, and a Pertec interfaced 9 track. Thanks; JP

20 years, 6 months

5
4
0 0

[UCSDPascal] Tiny Pascal

by jfoust＠threedee.com

At 02:00 PM 2/21/2006, Eric Scharff wrote: >In a question peripherally related to UCSD pascal, I recently >discovered "Tiny Pascal." >I found the articles in the local library, but I noticed that >the listings are incomplete (especially the p-code to 8080 >translation program is absent) It was reproduced in full in the 1979 "Byte Book of Pascal." I have a hardcover copy here. - John

20 years, 6 months

1
0
0 0

[UCSDPascal] UCSD Pascal I.5 is available for download.

by jfoust＠threedee.com

At 02:08 PM 2/21/2006, David Barto wrote: >The following link is the UCSD I.5 sources, as distributed by UCSD >for all to use as they wish. This has been validated and released >from UCSD. I'm very happy to make this announcement to this group. http://invent.ucsd.edu/technology/cases/1995-prior/SD1991-807.htm Amazing news! Wonderful to hear. Who can we thank for this, both inside and outside UCSD? Was this a consequence of the anniversary celebration? I know I tried in 1996 to have the source released or at least some sort of hobbyist licensing enacted - but to no avail. What do you know about the provenance of these particular I.4 and I.5 sources that have been released? - John

20 years, 6 months

1
0
0 0

What to do with that old IBM Graphics Printer

by dwight.elvey＠amd.com

>From: ard at p850ug1.demon.co.uk > >> >> Tony Duell wrote: >> >> All is not lost: I got my 6-yr-old to sit down and play Rocky's Boots=20 >> > >> > I don't think I'ev ever heard of that, what is it? >> >> Oh my, you've never heard of it? Here: >> >> http://www.warrenrobinett.com/rockysboots/ > >OK, I'll take a look. > >> > At about that age, I built my first radio receiver (nothing original, I >> > just followed the instructions in the book...), and I suspect I'd made at >> > least one relay from either Meccano or Fischer Trchnik... >> >> Yes, well, not every 6-yr-old boy has your kind of aptitude. We can't >> all be Tony Duell :-) > >Considering the number of things I am totally _useless_ at, this is a >very good thing IMHO.... > >-tony Hi Tony I know what you mean. I disassembled the toaster and cleaned the clock mechanism when I was 5 and a half but I still need a spell checker to write simple email. Dwight

20 years, 6 months

1
0
0 0

What to do with that old IBM Graphics Printer

by marvin＠rain.org

Fascinating project, and it looks like your thrust is youth education. Looking at the PDF of "Computer Demolition", this quote really caught my eye: ?Will American kids be Inventors in 10 years, or just operate appliances designed elsewhere?? and, by the way, ?Whatever happened to the Kid who took Alarm Clocks apart to discover how they worked?? Part of the answer to your quote is that those people are right here :)! > Since you seem to be the ones who "didn't throw that stuff away", like me :-) > > Thought you might like to look at this: > > P.R.CRANE is a Computer Demolition Project that creates a PC-Controlled > Robot Crane. > > You can control the crane manually with the arrow keys, have it learn a > series of steps, and create and edit a robot control program. P.R.CRANE is > made from an old IBM 5152 Graphics Printer, plus about $25 of parts > available at the hardware store and Radio Shack > > You can find this at www.terryking.us (Hit the PARPORT button), and then > PRCrane is a one-liner near the top. > > Somehow I think you'd also have an old DOS machine to run this... If not, > there are ways to force > XP to let go of it's IO-Priviledge compulsion... > > Let me know if you get one of these running... I have some photos of kids > running these a few years ago. > > Also: Anyone have an old XT that you want to know what to do with??? I have > an idea. > > Regards, Terry King ...On The Mediterranean in Carthage > terry at terryking.us

20 years, 6 months

4
6
0 0

'82 issues of Byte?

by news＠computercollector.com

Hi all, I need to search through all the 1982 issues of Byte for a specific article co-authored by Dave Winer. I don't know the article title of the issue number. All I know is that the article included one of the earliest references to a "laptop" computer, according to Dave himself. The archives on Byte.com only go back to 1994. Does anyone know if the older issues are scanned anyplace? Or if anyone has the issues, would you help me out by doing a quick flip-through for the article in question? (Mike N., perhaps you have them?) Much thanks, - Evan ----------------------------------------- Evan Koblentz's personal homepage: http://www.snarc.net Computer Collector Newsletter: >> http://news.computercollector.com Mid-Atlantic Retro Computing Hobbyists & Museum: >> http://www.marchclub.org >> http://groups.yahoo.com/group/midatlanticretro/

20 years, 6 months

3
5
0 0

Looking for Tiny Pascal

by paulrsm＠buckeye-express.com

This is a frequent item in comp.os.cpm Look for the Byte Book of Pascal. -- Paul R. Santa-Maria Monroe, Michigan USA

20 years, 6 months

1
0
0 0

Perq Boot disks

by williams.dan＠gmail.com

I have a Perq 2 which will not boot from it's hard drive. I don't know which OS is installed on it either. If I send out some floppies can anyone copy a boot/maintenance disk for POS and MPOS Thanks Dan

20 years, 6 months

2
1
0 0

Available: Canadian Superplus IV machine + bits (London, UK)

by julesrichardsonuk＠yahoo.co.uk

Hi all, I've just been asked by the owner of this to ask around to see if anyone wants to give it a good home: Superplus IV machine from 1982 (integrated screen, separate keyboard) Daisywheel printer + hood 13 AES printwheels and 7 AES Ribbons Original AES Operator Instruction Manual and Software Manual (both A4 ringbound) 7 Master and 3 working system/software discs . 30 AES Brand and 10 RPS Brand blank disks, formatted for AES and still shrink wrapped. AES disk box. The owner's tested the machine and it all seems to be working. Unfortunately we've got enough machines of this sort of class at the museum - it sounds like a nice box though, so hopefully someone can give it a good home! Contact Madeleine Melling at: mlamelling at gmail.com cheers, Jules

20 years, 6 months

1
0
0 0

Repairing wall warts

by Bob.Adamson＠sli-institute.ac.uk

> > I don't understand how a receptacle can trip a circuit breaker. At > worst, > > it would seem that it would fail to make contact or have high resistance > > contacts. > > Well, if the insulation carbonised and became slightly conductive, it > could pass enough leakage current to trip an RCD/RCCB/ELCB/whatever it's > called thise week. > > I once witnessed a metalclad socket outlet fail in the UK. Apparently, > repeated unplging of high-power devices without turning off the built-in > switch (UK socket outlets often contain a double-pole switch) had either > depostied enough metal on the insulator to become conductive, or had > carbonised the insulator. Anyway, the resulting failure caused a > spectacular arc that lasted for several minutes. I've seen many (240V) plugs, sockets and lighting fixtures fail similarly, in several cases becoming conductive enough to blow the circuit fuse, considerably more difficult than unbalancing a leakage trip. It's not at all uncommon in damp environments and another cause (though uncommon nowadays) is where an old-fashioned piece of fuse-wire has previously vapourised to produce a slightly conductive film. Bob Adamson

20 years, 6 months

1
0
0 0

[Fwd: GB> Teletype manuals.]

by recycler＠swbell.net

not mine, see below.. From: Bob Roehrig <broehrig at aurora.edu> -------- Original Message -------- Subject: GB> Teletype manuals. Date: Mon, 14 Nov 2005 13:04:23 -0600 (CST) From: Bob Roehrig <broehrig at aurora.edu> To: glowbugs <glowbugs at piobaire.mines.uidaho.edu>, Boatanchors <boatanchors at theporch.com> Cleaning out and downsizing, I have over a dozen original Teletype manuals for model 28 equipment. They are adjustments, operation, parts, for typing units, keyboards, stunt boxes, TD's, reperf, etc. Free to anyone that wants them but shipping won't be cheap. All or none - I am not going to pick and choose. Bob Roehrig Aurora University Telecom dept. broehrig at aurora.edu K9EUI W9ZGP WC2XSR/11 WD2XSH/19 630-844-4898 fax 630-844-4222 "Nostalgia is a thing of the past"

20 years, 6 months

1
0
0 0

classiccmping and cold weather

by lee＠geekdot.com

> What is the danger related to storing CC gear in extreme cold > temperatures? One thing to keep in mind is that some liquid crystal displays will be permanently damaged by freezing. Others will stop working, usually turning completely opaque or completely transparent, but will recover when they warm up. Lee.

20 years, 6 months

3
2
0 0

changing PC floppy port address

by chrism3667＠yahoo.com

the 8088 can support 64k ports, so logically the lower 16 address lines would be utilized to address them. A16-19 were multiplexed with other pin functions. IIRC the pc only allows for 256. Probably a good book on the topic is Interfacing to the IBM PC by Eggebrecht (Sams). Dont rely on that being the exact title or the way the authors name is spelled. Chances are its available on Amazonia for a song. __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com

20 years, 6 months

3
2
0 0

Oscilloscope question

by francisco.taboas＠urv.net

Hi, My name is Francisco T?boas. I read that you have the operator manual for a solartron 7150 multimeter. Im very interested on having a copy of it. Do you know where I can find it?

20 years, 6 months

2
1
0 0

Classic computers on TV 2 - Egg card commercials (UK)

by bpope＠wordstock.com

Ade Vickers wrote: > Currently, Egg are running a series of amusing UK comercials featuring a > bunch of gerbils - some of whom are having financial problems. > > In order to help them out, Egg "give" the gerbils a computer(!) - which is > clearly a stylised CBM Pet, albeit with the incongruous addition of a large > trackball. Egg do, conversely, stick faithfully to the green-on-black > display, even if their gerbil-scale Pet seems to exhibit better graphics > resolution than the prototype... > > Cheers! > Ade. > > http://www.visit4info.com/moredetails.cfm?adnum=29668 http://www.visit4info.com/moredetails.cfm?adnum=28418 has the ads... FYI - they are guinea pigs! :) Cheers, Bryan

20 years, 6 months

9
12
0 0

Repairing wall warts

by compoobah＠valleyimplants.com

>I don't understand how a receptacle can trip a circuit breaker. At worst, >it would seem that it would fail to make contact or have high resistance >contacts. I don't understand the etiology of the problem myself, but that is what we heard back after the district sent in several electricians. Several possibilities: breakdown of insulation or impurities in insulation, mechanical failure due to stressed parts, or transmission error (district says: shoddy wiring, [they even used the] cheap plugs - the part in brackets gets dropped out, etc.) Anyway, there is a very noticeable difference between the cheapie wiring supplies and the nicer "commercial grade" stuff, similar to the difference between a modern cheap PeeCee and a real computer.

20 years, 6 months

1
0
0 0

What to do with that old IBM Graphics Printer

by terry＠terryking.us

Hi Guys, Since you seem to be the ones who "didn't throw that stuff away", like me :-) Thought you might like to look at this: P.R.CRANE is a Computer Demolition Project that creates a PC-Controlled Robot Crane. You can control the crane manually with the arrow keys, have it learn a series of steps, and create and edit a robot control program. P.R.CRANE is made from an old IBM 5152 Graphics Printer, plus about $25 of parts available at the hardware store and Radio Shack You can find this at www.terryking.us (Hit the PARPORT button), and then PRCrane is a one-liner near the top. Somehow I think you'd also have an old DOS machine to run this... If not, there are ways to force XP to let go of it's IO-Priviledge compulsion... Let me know if you get one of these running... I have some photos of kids running these a few years ago. Also: Anyone have an old XT that you want to know what to do with??? I have an idea. Regards, Terry King ...On The Mediterranean in Carthage terry at terryking.us Regards, Terry King ...On The Mediterranean in Carthage, Tunisia terry at terryking.us

20 years, 6 months

2
1
0 0

Wanted to buy (or trade)

by news＠computercollector.com

I'm looking to buy a Kyocera "Keytronics 85". This was the base model for the Tandy Model 100 / Olivetta Model 10 / NEC PC-8201 portables from 1983. I have the Tandy Model 100 but would prefer the Kyocera if anyone prefers to trade. Contact me OFF-LIST please. :) ----------------------------------------- Evan Koblentz's personal homepage: http://www.snarc.net Computer Collector Newsletter: >> http://news.computercollector.com Mid-Atlantic Retro Computing Hobbyists & Museum: >> http://www.marchclub.org >> http://groups.yahoo.com/group/midatlanticretro/

20 years, 6 months

1
0
0 0

Commodore 64 free to a good home

by rigdonj＠cfl.rr.com

FYI >Date: Sun, 19 Feb 2006 09:02:32 -0500 >From: ROBERT KRYL <r.kryl at worldnet.att.net> >Subject: Commodore 64 free to a good home >To: rigdonj at cfl.rr.com >X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2800.1409 >X-Mailer: Microsoft Outlook Express 6.00.2800.1409 >X-MSMail-priority: Normal >Original-recipient: rfc822;rigdonj at cfl.rr.com > >Hello, Joe, > >We are moving from Delray Beach to Minnesota, and we must find a good home >for a much loved Commodore 64 that has (I am told) virtually all the >programs available, monitor, cpu---the works. > >We move next weekend, and finally my guy has agreed to leave it in Florida >(between us we have three others!) > >If interested, pleas let me know asap! If you know someone else who is, >please pass the word quickly! Thank you. > >Cherie cboen at charter.cnet >

20 years, 6 months

1
0
0 0

Repairing wall warts

by compoobah＠valleyimplants.com

>They are--probably around $5 in single-unit quantities. I use one on my >automatic dishwasher. > >It's the hospital-grade receptacles and plugs that are dear here. Aside >from an additional endorsement and a different color, I don't know if they >differ much from the ordinary consumer grade stuff. > >Cheers, >Chuck For anything except the most basic use, get the commercial grade. We had big problems at the computer lab at my school because the original electrician used the cheap receptacles, and they started tripping the breakers last year . . . I think most of the plugs you can get are pretty well made, though. Expect to spend about $7-$10 for a grounding plug with screw terminals.

20 years, 6 months

6
6
0 0

problem: getting the TU58 emulation working

by henk.gooijen＠oce.com

I tried to add the TU58 emulation (of Will Kranz) to my 11/34, but it does not work. Here is what I have done so far. I added an SLU/RTC (M7856) in the 11/34, and while I worked that out, I added a M7856 page to my website. The intention is to use the added DL11-W for a connection to the TU58 emulation on a (DOS) PC. I configured the DL11-W to CSR 776500 and the vector to 300, for DD:. LTC is disabled, as this is the second DL11-W in the system. The first DL11-W is the system console port. The serial TX and RX channel are set to 9600,N,8,1. When I boot RT11 and enter .SH DEV the output shows that the DD driver is installed and sitting at 776500, with vectors 300 and 304. When the DL11-W is not installed in the system, RT11 reports DD not installed. Next, I made a cable to connect the DL11-W to the serial port of the PC. To check the cable between the PC and the M7856, I started Win98 and used a terminal program. When I enter a character in the terminal app, I can read that character in the RBUF (776502). When I deposit a value in XBUF (776506), I see that character in the receive window of the terminal application. So, the cable is fine. BTW, I use only 3 wires: RxD, TxD, and Gnd ... I boot the PC to DOS, actually Win98 command prompt, not to Win98 itself and then starting a DOS box. Then I run TU58.EXE, for example "TU58 -cTST58.TAP". TU58 seems happy, it takes a second (to format the new "tape") and then reports to be "waiting for a BREAK, or enter Escape to continue". So, I enter ESC. Now the TU58 emulation says that it is waiting for packets ... I have RT11 running on the /34. Then I enter on the PDP-11 console .DIR DD0: Nothing happens, no output appears on the TU58 emulation on the PC. RT11 seems to hang, at least when I enter text on the PDP-11 console, that text is echoed on the VT102, but that's all! Entering control-C prints ^C, but does not return me to the . prompt. BTW, the TU58.INI file has these lines: port 0 baud 9600,N,8,1 That means that I am not using interrupts (on the PC), but polling. I assume that when you enter .DIR DD0: on the PDP-11 console, the TU58 emulation should at least print a "received packets", but nothing is happening. BTW, I also tried with an "irq 4" line in the tu58.ini file, but that gives the same results. I have the feeling that I am overlooking something obvious, or doing something stupid. Should there be some data (receiving packets from the PDP-11) appearing in the TU58 emulation screen? thanks, - Henk, PA8PDP. This message and attachment(s) are intended solely for the use of the addressee and may contain information that is privileged, confidential or otherwise exempt from disclosure under applicable law. If you are not the intended recipient or agent thereof responsible for delivering this message to the intended recipient, you are hereby notified that any dissemination, distribution, or copying of this communication is strictly prohibited. If you have received this communication in error, please notify the sender immediately by telephone and with a "reply" message. Thank you for your cooperation.

20 years, 6 months

1
0
0 0

Old Japanese MPUs

by lee＠geekdot.com

> There's a 27C256 on it and a 20 MHz XCO and some assorted glue. > The largest package is a Mitsubishi MN8601ME1, 64 pin "shrink DIP". > Next to it is a MN8611A 42 pin "shrink DIP" and a QFP MN51040MGU, > which I believe is a gate array. > Does anyone have a clue as to what the heck this is? Some Mitsubishi MCUs have 65C02 cores in them, do you have a dump of the EPROM yet? The contents of that are probably your best clue. Lee.

20 years, 6 months

2
3
0 0

misc other stuff, free

by CaptnZilog＠aol.com

Got some misc. stuff to get rid of: got a box full of old ISA etherepress boards, 10BT w/ BNC for Thinnet (quite a few), plus some random ISA and VESA video boards (not a lot), oh yeah, and various MFM disk controllers (ISA bus - WD1007, etc). Also have two AMI EISA 486 motherboards, and some EISA boards, adaptec2742 SCSI, EISA 10BT ethernet... if anyone still plays w/ EISA, all yours (motherboards w/ memory). Also, if anyone has any projects where you might need Pentium 133/166 chips (and 386/486's as well), I have a bunch of them (just the chips), a big bag of 1MB 30-pin SIMMs, 4116 & 4164 RAM chips (probably a couple hundred of each), 2716/32/64 EPROMs... Anyone wants some, I certainly will never use all of them that I've got.

20 years, 6 months

1
0
0 0

Changing the PC floppy port address

by CCTalk＠catcorner.org

I know it can be done, I'm just not sure how. I have an adaptec 1542B controller that I'm using the floppy controller on. It current has two options for the floppy controller: 3F0-3F7h or 370-377h 3F0 (001111110000) is with J8/1 open 370 (001101110000) is with J8/1 closed I'd like to re-address this to something else, like 320 or 330 or even the LPT or serial port addresses. Now, how the heck would I go about this? I'm pretty good with a soldering iron, and I know how to count. Being a bit of an ISA bus neophyte, are these addresses selected by the "Data" lines of the ISA connector (D0-D7), or what exactly is being read? The 1542 uses a DP8473 floppy Disk Controller, nad I have the datasheet for that. Thanks, Kelly

20 years, 6 months

5
4
0 0

Help with HP 4951B protocol analyzer + 18179A

by dwight.elvey＠amd.com

>From: ard at p850ug1.demon.co.uk > >> My unit has a BNC type connector (think that's what it's called) on it. Mos= >> t >> composite monitors take RCA cables. Should I be able to find the right cabl= > >Well, most decent composite monitors have BNC inputs, but anyway. Most >of the cheaper composite monitors have RCA phono sockets > >> e >> off-the-shelf? > >It's a standard cable in the UK, it was often used to link a BBC micro >(which also has a BNC socket for the composite output) to a cheap >monitor. I bought one from Maplin a couple of weeks back. > >No idea if you can get them in the States. I think Maplin will ship >worldwide, but their postage charges are not that low. > >-tony Hi I've made a couple of these from cable, both starting from RCA on both ends and BNC on both ends. Get the connector you need from RS or other supply and make the cable. It only takes a few minutes and doesn't require special skills, other than using a soldering iron. One can get adapters as well. Allied has a part #202-0835 that is RCA jack to BNC plug. They're only $2.63 but I think they have a minimum purchase. ( BOMAR part# R0843 ) Dwight Dwight

20 years, 6 months

4
4
0 0

Documents available -- Centronics, Terminet, Vadic, Shintron, Perkin-Elmer, Best Power

by wmaddox＠pacbell.net

All are photocopies except as noted: User manual for Carousel 310 and Carousel 350 printer Perkin-Elmer, 1978 (photocopy) Operation and Service Manual for VA3415C/D/V 1200bps Modem Vadic, 1977 Installation Instructions, VA3400 Series Modem includes theory of operation and calibration Vadic, 1975 Shintron Model 520 Ecricon(R) Graphic Data Tablet Instruction Manual Shintron Company, Inc., 1972 (original document) Technical Manual, Model 306 Printer Centronics Data Computer Corp., 1981 (original document) Model 6080 Printer Operators Manual, Rev. A Centronics Data Computer Corp., 1982 (original document) Operators Manual, Series 100 Printers Centronics Data Computer Corp., 1973 Revision Identification Guide for the Model 101 and 101A Printer Centronics Data Computer Corp., 1973 Maintenance and Field Change Bulletin for Centronics Model 101/101A Printers DEC-FS-HPTRA-A-D Digital Equipment Corporation (Centronics reprint) Partial copy of GE Terminet 300 maintenance manual Many Terminet Service Advice notices (mid 70's) Micro-Ferrups Uninterruptible Power Systems User Manual Best Power, 1993 (original document)

20 years, 6 months

1
0
0 0

Old Japanese MPUs

by cclist＠sydex.com

I ran across a small (3'x4") PCB with what looks like an MPU on it. The part numbers for the most mean nothing to me. There's a 27C256 on it and a 20 MHz XCO and some assorted glue. The largest package is a Mitsubishi MN8601ME1, 64 pin "shrink DIP". Next to it is a MN8611A 42 pin "shrink DIP" and a QFP MN51040MGU, which I believe is a gate array. Does anyone have a clue as to what the heck this is? Cheers, Chuck

20 years, 6 months

1
0
0 0

What fits a machine pin DIP socket?

by swtpc6800＠comcast.net

I tried several types of pins and found the 22-gage wire works well. I get the wire from capacitor leads. Some capacitors have steel leads, these make excellent pins. (The leads can be picked up with a magnet.) You can still use the capacitor after you trim the leads. I wrote up how to do this for a ROM replacement for the SWTPC 6800. Look in the Users Guide for the step by step process. http://www.swtpc.com/mholley/ROM_Emulator/ROM_Index.htm J.C. Wren's find of the DigiKey ED2064-ND looks good. Michael Holley

20 years, 6 months

2
1
0 0

classiccmping and cold weather

by lee＠geekdot.com

> Any idea if this would effect the original Game Boy's? > I don't know what it is about them, but I had two of them that > lost lines on the display after they sat unused for a year or two. Unlikely, temperature damage tends to affect the whole display, either uniformly or graduated from the area that was frozen or heated. Lost lines are usually due to the connection to the conductors on the glass becomming detached. This can often be repaired just by bending the tabs on the back of the LCD fram a little. Lee.

20 years, 6 months

1
0
0 0

KDF11-BA (M8189) 11/23+ CPU boot an ST225 on an RQDX3?

by dbetz＠xlisper.com

I just picked up a couple of KDF11-BA CPU modules. For some reason, I thought I remembered that the 11/23+ could boot an MFM drive (ST225) attached to an RQDX3 controller but it doesn't look like that from the description of the boot options on the M8189 module. Is there an alternate boot ROM that can be installed or am I just out of luck?

20 years, 6 months

2
3
0 0

2026

2025

2024

2023

2022

2021

2020

2019

2018

2017

2016

2015

2014

2013

2012

2011

2010

2009

2008

2007

2006

2005

2004

2003

2002

2001

2000

1999

1998

1997

test-drb