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

DEC KS-10 FPGA

by jmkatcher＠yahoo.com

David Conroy's site is now at http://fpgaretrocomputing.org/

13 years, 9 months

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Serial Connection for UVax II with H8571-B

by tpresence＠hotmail.com

Hey guys and gals, I have tried and failed to get a successful connection between my uvax II and a pc rs-232 serial port. The H8751-B didn't seem to work, so I pulled it off and wired my own MMJ-DB9 connector. I have tested the MMJ cable, and it works flawlessly. For my connectors I have followed "The Cable" documentation at http://www.mcmanis.com/chuck/computers/vaxen/panels.htm (chucks house of vax), under "The MicroVAX II" section but it hasn't helped. I have tested the MMJ-DB9 connection from my uvax III consoles and from the microvax 3100 and it works fine, so I think the PC side is working correctly. The MMJ-DB9 on the pc side is DB-9 Pin Color Purpose 1 Pin 4 & 6 2 Yellow Transmit 3 Black Receive 4 Pin 1 & 6 5 Red Signal GND 6 Pin 1 & 4 7 N/A 8 N/A 9 N/A When I toned out the H8571-B connector and this is what it toned out to (using a straight MMJ cable out of the connector: H8571-B Pinout DB-9 Pin Color Purpose 1 N/A 2 Black Transmit (Tx+) 3 Yellow Receive (Rx+) 4 White DSR 5 N/A 6 Blue DTR 7 Red Transmit Ground (Tx-) 8 Pin 8 9 Pin 9 Any idea what pinouts I should use for the H8671-B -> PC connector cable should be? This situation is driving me nuts. Kevin

13 years, 9 months

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No subject

by bub7734＠yahoo.com

> On Oct 3, 2012, at 6:57 PM, Rob Doyle <radioengr at gmail.com> wrote: > > > I've starting to create a DEC KS10 (PDP-10) in an FPGA. > > [...] > > > If anybody is interested in collaborating, learning Verilog > > and/or FPGA design, goofing around, or participating in any > > way, please let me know off-list. > > David Conroy (dgcx at mike alpha charlie dot charlie oscar mike) built a full > working KA10 with ITS paging, and called it the PDP-10/X. You might want to email > him. > > Unfortunately, all the information was hosted on homepage.mac.com, and Apple > discontinued that service earlier this year. I know of no mirror :( > > -Seth ? David's work has moved to: ??????? http://fpgaretrocomputing.org/pdp10x/ ? -scott ~

13 years, 9 months

1
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ADDS Envoy pictures added to terminals wiki

by legalize＠xmission.com

<http://terminals.classiccmp.org/wiki/index.php/ADDS_Envoy> Portable terminal from 1972... -- "The Direct3D Graphics Pipeline" free book <http://tinyurl.com/d3d-pipeline> The Computer Graphics Museum <http://computergraphicsmuseum.org> The Terminals Wiki <http://terminals.classiccmp.org> Legalize Adulthood! (my blog) <http://legalizeadulthood.wordpress.com>

13 years, 9 months

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SONY LVM-3AA0 Carts Available

by markyorath＠googlemail.com

how much would you want for them and economy shipping to uk.. thanks mark On Thu, Oct 4, 2012 at 3:23 AM, N0body H0me <n0body.h0me at inbox.com> wrote: > As a matter of fact, I do. > Two, new, in original wrapping. > > I'm in Stockton, Ca, 95207. > > > Jeff > >> -----Original Message----- >> From: markyorath at googlemail.com >> Sent: Wed, 3 Oct 2012 03:14:54 +0100 >> To: cctech at classiccmp.org >> Subject: SONY LVM-3AA0 Carts Available >> >> hi, do you still have these video disks for sale? >> >> regards >> mark > > ____________________________________________________________ > FREE 3D EARTH SCREENSAVER - Watch the Earth right on your desktop! > Check it out at http://www.inbox.com/earth > >

13 years, 9 months

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Toronto: APL@50

by silent700＠gmail.com

Hello language fans - I've been notified that the folks at York University in Toronto are celebrating the 50th anniversary of the APL programming language on November 1 of this year. The event is dedicated to the 50th anniversary of APL and will include invited lectures, exhibits, demos, movies, etc. They sent me a PDF flyer which I have posted here: chiclassiccomp.org/apl50invite.pdf Too far and too soon for me but I hope someone on the list can make it! -- jht

13 years, 9 months

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disk image server

by tom_a_sparks＠yahoo.com.au

i am noticing I building up a collection of disk images (both legal and illegal) that I would like to keep in one place I am wondering if anybody has setup a disk image server and connected their vintage computers to it? the under lying technology dose exists tape emulation[1] floppy disk emulation[2a] [2b] hard drive emulation[3a][3b] [1] http://www.luigidifraia.com/c64/dc2n/index.html [2a] http://en.wikipedia.org/wiki/Floppy_disk_hardware_emulator [2b]http://www.ide64.org/ [3a] http://en.wikipedia.org/wiki/ATA_over_Ethernet [3b] http://www.jwe.com.tw --- tom_a_sparks "It's a nerdy thing I like to do" Please use ISO approved file formats excluding Office Open XML - http://www.gnu.org/philosophy/no-word-attachments.html Ubuntu wiki page https://wiki.ubuntu.com/tomsparks 3 x (x)Ubuntu 10.04, Amiga A1200 WB 3.1, UAE AF 2006 Premium Edition, AF 2012 Plus Edition, Sam440 AOS 4.1.2, Roland DXY-1300 pen plotter, Cutok DC330 cutter/pen plotter Wanted: RiscOS system, GEOS system (C64/C128), Atari ST, Apple Macintosh (6502/68k/PPC only)

13 years, 9 months

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SONY LVM-3AA0 Carts Available

by markyorath＠googlemail.com

hi, do you still have these video disks for sale? regards mark

13 years, 9 months

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uVAX-II avaliable ( Switzerland )

by jdr_use＠bluewin.ch

I bought it, hoping there would be 1 or 2 RD54's inside the system. This was not to be.... So available, in Zurich, Switzerland : uVAX II in a BA123 enclosure, complete, ( KA650=B 8 MB), with RF215 ( 400MB DSSI disk ) and TK70 Boots into VMS. I would prefer to see my 50 CHF back, but am open to discussion. Jos

13 years, 9 months

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semi-OT: alternatives to common e-mail services

by rampaginggreenhulk＠yahoo.com

Are there any? Of course they are limitless, for instance asking a comrade access to their server space. But barring any of that, is there any available for a modest or no fee? I hear the commercial for reagan.com, and besides the fact that I refuse to participate in the growing Reagan cult (have ample respect for the man, but please), and I'd, right now, rather not shell out 40$ a year. ?Oh I forgot, I have my own domain (indiscreetlogic.com), but haven't had the time or inclination to muss with ? it. Is there an alternative to the demoniac Yahoo!, Hotmail, Gmail in the interim? I wish to, if at all possible, avoid having my e-mails scanned (like that isn't going to happen), or having to inadvertently support causes and movements that will ultimately subjugate humanity, promote aberrant anti-social behavior, bolster the Federal Reserve, the Tri-Lateral Commission, the rise of the Anti-Christ, etc. etc. I love kittens too. No funds should be funneled into organization that fail to support the advancement, emancipation, and general well being of kittens. And honey badgers.

13 years, 9 months

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cctalk Digest, Vol 110, Issue 5

by dm561＠torfree.net

----- Original Message ----- > Date: Tue, 02 Oct 2012 10:29:40 -0600 > From: Richard <legalize at xmission.com> > To: cctalk <cctalk at classiccmp.org> > Subject: Re: cctalk being indexed (again) > Message-ID: <E1TJ5Lo-0008JH-4i at shell.xmission.com> > > If you don't want it "out there", then you shouldn't post it, not even > in private email, is the bottom line. ----- Reply: Exactly! If the post contains useful information then it should be generally available. If it doesn't, or contains "private" info, then it doesn't belong here in the first place. Simple. mike

13 years, 9 months

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UNIVAC model

by aek＠bitsavers.org

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=150895882532 I am REALLY surprised no one said a word about this.

13 years, 9 months

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cctalk being indexed (again)

by mtapley＠swri.edu

At 17:26 -0500 10/1/12, <cctalk-request at classiccmp.org> wrote: >I don't consider anything on the net private but I'm used to knowing >that the lists I'm a part of are public (usually). I also think its >a good reference for folks just like forums which I appreciate when >I can search for already solved issues without having to sign up on >their site for potentially 1 use. Seconded. I'm nowhere near as useful as most of the folks on the list, but I think of the list and its archive as an incredible resource to help out anyone interested in this hobby - of whom there are not (in my opinion) enough, and anything we can do to encourage more is a good idea. Informative posts from e.g. Tony (how do I disassemble this monitor, and where am I likely to get a nasty surprise if uninitiated?) or Fred (what's the format of this floppy that I need to read likely to be?) look to me like the essence of the list, and the quicker they are accessible to the more people, the better. If indexing helps facilitate that, right on. If indexing make me think twice about my posts, well, that may well be a good thing too. I clearly recall a post where I gave the resistor color-code *wrong* (!) because I typed way faster than I thought (and I don't type that fast...); could be if I'd remembered people might pick my post up on a google search, I'd have been a bit more careful. -- - Mark 210-379-4635 ----------------------------------------------------------------------- Large Asteroids headed toward planets inhabited by beings that don't have technology adequate to stop them: Think of it as Evolution in Fast-Forward.

13 years, 9 months

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cctalk being indexed (again)

by barythrin＠gmail.com

The list does have a searchable feature open to the public via classiccmp.org. Ironically it seems to just do a google search using the site:classiccmp.org argument which I think means google does crawl the site already and is meant to.

13 years, 9 months

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RACAL RNX 6500

by mokuba＠gmail.com

Any information on this machin? Can't find anything on google other than "Racal-Datacom RNX 6500 Bridge/Router" -- Gary G. Sparkes Jr. KB3HAG

13 years, 9 months

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Old UNIX utils

by alexeyt＠freeshell.org

I saw a lightning talk on Tursday by one of the maintainers of SmartOS, a fork of Illumos, itself a fork of OpenSolaris. He recently discovered that there were some interesting things in /usr/bin that most people don't realize are there, that had stowed away unnoticed over the years: bfs and ta. He demoed them for us, and I have to say I'm sort-of shocked that they never got rm(1)ed. Does anyone here remember using these when they were new/actually useful? And speaking of ta, the presenter wasn't sure how you're supposed to drive it - it is supposedly 'like troff -a' but no matter what input he gave it (man page sources mostly), all he ever got out of it is 'unknown input character blah'. Alexey

13 years, 9 months

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anyone got a Wombat?

by rampaginggreenhulk＠yahoo.com

speaking of Apple clones...did any make it to the US or Canada?

13 years, 9 months

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cctalk being indexed (again)

by aek＠bitsavers.org

FYI Google stopped doing it, but now someone else has started. http://answerpot.com/showthread.php?3908394-Tektronix%20CT8500%20terminal%2…

13 years, 9 months

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Tektronix CT8500 terminal -- is it an OEM'ed Tek 4024?

by legalize＠xmission.com

One of the items I pulled out of the Black Hole this weekend was a Tektronix CT8500 terminal. It goes with their 85x0 microprocessor development systems that we've talked about here over the past year. I also snarfed the operator's manual for it, so that will appear on bitsavers soon. Bitsavers has the user's guide for the CT8100 terminal which is really a 4023 as is blatantly obvious from reading the manual. However, the operator's guide to the CT8500 doesn't make mention of any other Tektronix terminal model. On Wednesday, I'll open the cabinet and inspect the board set inside, but until then I thought someone here might be able to shed more light on this. -- "The Direct3D Graphics Pipeline" free book <http://tinyurl.com/d3d-pipeline> The Computer Graphics Museum <http://computergraphicsmuseum.org> The Terminals Wiki <http://terminals.classiccmp.org> Legalize Adulthood! (my blog) <http://legalizeadulthood.wordpress.com>

13 years, 9 months

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cctalk being indexed (again)

by barythrin＠gmail.com

I don't consider anything on the net private but I'm used to knowing that the lists I'm a part of are public (usually). I also think its a good reference for folks just like forums which I appreciate when I can search for already solved issues without having to sign up on their site for potentially 1 use. Could just me be though and I'm not sure what (Jay?)'s intent is with this list which is really where the authority lies. ------Original Message------ From: Al Kossow Sender: cctalk-bounces at classiccmp.org To: cctalk at classiccmp.org ReplyTo: General Discussion: On-Topic and Off-Topic Posts Subject: Re: cctalk being indexed (again) Sent: Oct 1, 2012 1:12 PM On 10/1/12 11:04 AM, barythrin at gmail.com wrote: > That's not a good thing? > Do you consider cctlk to be a private mailing list? I do.

13 years, 9 months

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EISA Configuration Utility and .CFG files

by nigel.d.williams＠gmail.com

On Mon, Oct 1, 2012 at 9:06 AM, TeoZ <teoz at neo.rr.com> wrote: > ----- Original Message ----- From: "Steven Hirsch" <snhirsch at gmail.com> > To: "General Discussion: On-Topic and Off-Topic Posts" > <cctalk at classiccmp.org> > Sent: Sunday, September 30, 2012 5:35 PM > Subject: Re: Anyone want some free EISA cards? The challenge with EISA is finding the .CFG files that work with the EISA Configuration Utility so you can get the mainboard to work with the boards. The floppy-based sets I have come across are a superset of those needed for a specific board so it is usually worth digging around in manufacturer "driver"/mainboard diskettes to check if they also shipped .CFG files for boards other than their own. The .CFG files (they are text files sometimes with comments) can be a useful source of information about what the board does and how it is intended to work (like slot-specific assignment, IRQ conflicts etc).

13 years, 9 months

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Microwave sink (was: Re: strange remark about your collection?)

by mtapley＠swri.edu

At 12:00 -0500 9/28/12, Rob wrote: >Many years ago, I actually had a microwave intermittently turn on by >itself... We (usually) took to leaving a jug of water in it while >quickly sourcing a replacement. This may not be the best idea, unless your water is "dirty" (in the sense of having something suspended that forms nucleation sites for steam bubbles). Our water is "clean", and my wife once decided to try to heat some up in our microwave. It superheated by a noticeable amount, then finally boiled off catastrophically. Big cloud of steam, microwave door blown open, loud noise, 100 C water splashing around the kitchen. There was some damage apparent later in the switch that should normally turn the thing off when the door is open, which I eventually had to replace, but otherwise the microwave itself was OK. Maybe this is an unusual event and almost certainly it depends on what container the water is in, but I'd use a little caution with that approach given our experience. Howzabout a pile of CD's or marshmallows or a crate of eggs in there instead? ;-) OK seriously, wet towel or wheel of cheese in a bowl or something that won't superheat and has not much mechanical integrity? Physics majors, any good suggestions? Oatmeal in the water? -- - Mark 210-379-4635 ----------------------------------------------------------------------- Large Asteroids headed toward planets inhabited by beings that don't have technology adequate to stop them: Think of it as Evolution in Fast-Forward.

13 years, 9 months

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Texas Instruments 960B

by aek＠bitsavers.org

> does anybody have bits for the TI 960B (not 960A) minicomputer, e.g. > software, schematics etc. ? I have some additional material on the 960 that isn't up yet on bitsavers. The 960 and 980 share some peripheral interfaces. Did you end up with the 990 system as well?

13 years, 9 months

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NOS IC and vintage brds available

by shumaker＠att.net

Info links for someone looking to move some ICs and circuit boards without doing the EPAY thing. He dickers! This stuff was posted here a while back as images but I suggested he build a list. I acquired a couple of the boards and had no issues in dealing with him. No other interest except to pass on the info. YMMV! GO DIRECT HERE: Buddy Woodberry <buddy-l at qwest.net> Available items list: _http://www.buddy-l.com/files/buddy's%20VINTAGE%20IC%20INVENTORY%208-19-12.pdf <http://www.buddy-l.com/files/buddy%27s%20VINTAGE%20IC%20INVENTORY%208-19-12…>_ IC tubes http://www.buddy-l.com/files/circuit%20bd%201.JPG Circuit bd1 http://www.buddy-l.com/files/circuit%20bd2.JPG circuit bd 2 http://www.buddy-l.com/files/circuit%20bd3.JPG circuit bd 3 http://www.buddy-l.com/files/vac%20tube1.JPG

13 years, 9 months

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cctech Digest, Vol 109, Issue 37

by tim＠tim-mann.org

I don't have a MAX-80, but I'm hosting some MAX-80 info on my web site, here: http://tim-mann.org/trs80resources.html#max80 On Wed, Sep 26, 2012 at 11:54 PM, <cctech-request at classiccmp.org> wrote: > Message: 24 > Date: Wed, 26 Sep 2012 15:19:15 -0500 > From: Garrett Meiers <gm10 at consulnix.com> > To: cctalk at classiccmp.org > Subject: LOBO Systems MAX-80 > Message-ID: > <CAGX+B9uML9_urc8QztACEZOu3j5CeaFmKUe8GBUsw27O-pJHQw at mail.gmail.com> > Content-Type: text/plain; charset=UTF-8 > > Hi, > > I was curious if anyone had any information about (or experience with) LOBO > Systems MAX-80's. I have four of these, and they came with no > accessories, documentation, etc. > > I found an operations manual and a Technical Reference manual, but that's > about it. > > My only testing so far was to connect them to an NTSC monitor, and all I > get is some static-like display. Reading the operation manuals, it says > something to the extent that it should display static if there are no disk > drives attached. But another part of the manual says it should show some > text on power-on. > > I am hoping to connect a floppy to one of these soon, and try to get it to > do something useful -- but I wanted to ping the list to see if anybody has > played with one of these, or might have additional documentation. > > Thanks, > > Garrett Meiers

13 years, 9 months

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pdp(s) in brazil (picture)

by jwest＠classiccmp.org

Keep in mind.... this setup was just decomissioned in the last 30 days. Still sitting in the datacenter..... http://www.ezwind.net/brazil DECporn at it's best. J

13 years, 9 months

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HP 7580B A0 plotter has to go

by hp-fix＠xs4all.nl

I've a HP 7580A A0 plotter which has to go, I need the space for a HP 1000 rack and it's to huge to put in the attic. I'm open for offers, any reasonable offer will do, if no one wants it I'll scrap it for parts. This includes pens manuals and other add-ons. I'm located in the Netherlands near Groningen. -Rik

13 years, 9 months

1
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Monsanto IC datasheet request

by wdonzelli＠gmail.com

I found some strange ICs from Monsanto. They are type MQL105, in original Monsanto packaging. I can find no datasheets on the net (one site mentions the chip, but says scans would be "difficult"). Oddly, the datecodes on the chips have been erased at the factory. -- Will

13 years, 9 months

2
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Getting Data I/O Promlink to talk to a System 19 programmer

by derschjo＠gmail.com

Hi all -- Anyone have any experience getting Data I/O's Promlink software (I have 2.6, 3.4, and 6.1) to talk to a System 19 programmer? I've read through the documentation on Bitsavers but it doesn't mention Promlink at all (it's possible that it predates the software completely). Promlink says it supports the System 19, and I've configured everything (baud rate, etc) on both ends but I don't know the magic incantation to use on the 19's panel to make it talk. Thanks, Josh

13 years, 9 months

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pig in a blanket

by rampaginggreenhulk＠yahoo.com

I dont know what an Ace is. What I thought I posted was a link to a PC 8000 in a wood cubby. ------------------------------ On Fri, Sep 28, 2012 3:30 PM PDT Garrett Meiers wrote: >I've always wanted a Franklin ACE. I love the wooden case. I >recently acquired a Northstar Horizon S-100 system which has a wood cover. > Although, it's in really rough shape. > >http://www.vintage-computer.com/northstarhorizon.shtml > >There is a guy across the street that does wood-working. I am thinking >about removing the innards, taking it over, and having him make a nice look >replacement cover for it. (Hanging on to the original, of course). > >Garrett Meiers > > > > >On Fri, Sep 28, 2012 at 2:08 PM, Chris Tofu <rampaginggreenhulk at yahoo.com>wrote: > >> http://www.oldcomputermuseum.com/franklin_pc8000.html >> >> that's what it made me think of. Sorry, cluttering up the list again. >>

13 years, 9 months

2
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PDP-11/50 (ireland)

by jwest＠classiccmp.org

PDP-11/50 and "three crates" of spares available in Galway, Ireland. Please contact me off-list if interested. J

13 years, 9 months

2
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While on the subject of keyboard pr0n

by dave.thearchivist＠gmail.com

When PETs were common and had revolting chicklet keyboards I attacked my pet http://www.collection.archivist.info/archive/DJCPD/PD/2007/2007_05_01_PET_C… I added the later keyboard on a hinged plate and added a function key set from something obtained from a surplus shop can anybody identify the upper set of keys? Dave Caroline

13 years, 9 months

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Commodore/Amiga 23 pin connectors

by rampaginggreenhulk＠yahoo.com

I have to juryrig a video cable for an Amiga 600. 23 pin male on the back. What I happen to have in my stash is a, IIRC, Amiga 1000 floppy cable, clipped at one end, mail 23 pin at the other. Where do I find a female 23 pin thingee to drop into that hood? Anyone got one? Stateside. ?Will I be successful in cutting down a 25 pin plastic receptacle and drop it in? I see db25s at digi-key.com (http://www.digikey.com/product-search/en/cable-assemblies/d-sub/1573638?k=2…) but I don't see 23 and don't recall ever seeing them otherwise.

13 years, 9 months

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pig in a blanket

by rampaginggreenhulk＠yahoo.com

http://www.oldcomputermuseum.com/franklin_pc8000.html that's what it made me think of. Sorry, cluttering up the list again.

13 years, 9 months

2
1
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new member

by tom_a_sparks＠yahoo.com.au

> Date: Tue, 25 Sep 2012 21:10:20 +0100 (BST) > From: ard at p850ug1.demon.co.uk (Tony Duell) > To: cctalk at classiccmp.org > Subject: Re: new member <snip> >> > I notice you haven't included any of the 'classic' > wokstations. >> <snip> >> they are unofficial on my wish-list, but until a hardware emulation >> version is made, i'll wait > > Why? they are not _that_ large (a calssic PERQ is one of the larger ones, > it's about the size of a 2-draaer deskside cabinet). They are also not > _that_ hard to keep going... > > Runniong the rela hardware, at least for me, is the fun part of this > hobby :-) I enjoy the expanding my computer knowledge, but I do like seeing, touch classic hardware and show it off to people > >> > <snip> > > No, that is a perpetual 'discussion'; here. It only becomes useful when > (as I did), you explain _why_ you consider a particualr machine to desrve > that title. > > Even the defintiion of 'computer' is ont always clear (and I do not mean > > things like 'The person who operates a calculating machine' which was, > IIRC the original definition). While soem things are clearly computers > and others equally clearly not, there are plenty of borderlien cases... > ok another debate that is unsolvable without of a true definition :) > [...] > >> <snip> > > Yes, there are parts? -- mostly transformers and mechancial parts -- > which can be hard to fidn for such older mahcines. But often they can be > repaired (transofrmers and motors can be rewound) or made in a good home > workshop good point > Yes, but working hardware may not stay working. You will have to fix > things sooner or later. AS I said, there are plenty of people here to > help you, with knowledge of just about every computer ecver made. But > unless we're at _your_ bench, we can't do it all... I can plug in/remove boards but I prefer to out-source my repair work > > -tony tom sparks

13 years, 9 months

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Kaypro II

by jws＠jwsss.com

A fellow has a Kaypro II here he wants an offer on. There are manuals and a modem, cables, works, floppies and high expectations. Any idea what to offer him? I see numbers from 50 to 600 on epay, but figure this is a the low end. He was asking 400, and is possibly the first owner. If I find out it is an estate sell out I can probably handle it, but if it is an original owner, I figure i should have a good idea what to offer with some backing. any discussion appreciated. It looks like it has has booted and run cpm from one of the screens full of stuff. jim

13 years, 9 months

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Monsanto IC datasheet request

by tshoppa＠wmata.com

> I found some strange ICs from Monsanto. They are type MQL105, in > original Monsanto packaging. Out of idle curiosity... look like an optocoupler? Opto-driver? Or LSI? Maybe LSI in a flatpack? Or something completely different? I know that MQL is still seen today on some Micrel optodriver parts. May be coincidence. Tim.

13 years, 9 months

2
1
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misidentification of Nixie tubes

by wdonzelli＠gmail.com

> But for the more genericized meaning, I can't see any reason a similar > device couldn't be made and filled with a different gas mixture so as > to produce a green instead of red/orange glow. (It might require some > circuit redesign, as I suspect it means using higher voltages....) OK, I have started the clock. Shall we place bets on when someone digs up real Burroughs Nixie that glows green? In the electron tube collecting world, weird "never" types are always popping up. Just the other day, someone discovered one instance of this (specifically, a type 41 from Speed that is not the same as the industry standard 41), and stumped the experts. So, it would not surprise me if Burroughs made some Nixies, perhaps as custom devices, low-runners, or even just lab animals, filled with a krypton-neon mix (yes, green). -- Will

13 years, 9 months

1
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microdata beginnings

by jwest＠classiccmp.org

Started prepping the Microdata for restoration tonight. The cpu, mag tape, and front panel are in very good condition. The power supply - not so much. It was apparently a long term home for mice. I don't see any chewed wiring - suprising - but their leavings induced a lot of corrosion and rust. I'm gonna bet those batteries aren't holding a charge. No power applied yet, going to go through the power supply with a fine tooth comb first. I thought the box was an M1600 for some reason, but it appears to be an R4510. Many years ago I did own two M1600's, and this box seems extremely similar, but the front panel is more reminiscent of the Reality Royale rather than the M1600. I haven't located all the stuff that came in the haul, but enough to get started in any case. The power supply is Microdata A20014662-002. Dare I ask.... any schematics? CPU info: Backplane - 19 Connector A20001279 rev a Slot 1 - 8k rom maintenance interface A20001281-001 rev H Slot 2 - control A20001273 rev E Slot 3 - data A20001043 rev K Slot 4 - empty Slot 5 - memory array board CS20002234 rev D Slot 6 & 7 empty Slot 8 - memory control A20002241 rev F Slot 9 - Formatted MTU control A20001274 rev G Slot 10 - Microcomputer Systems Corp CS20002991 rev B (disk) Slot 11 - 8way A20002615 rev J Slot 12 - GPBIO A20002510 Slot 13 - 19 empty It's been over 30 years since I had my hands inside the guts of a Microdata Reality. Brings back lots of memories. I've got the power supply pulled out and on a bench, all the cabinet panels removed, and cpu cables marked & removed. Haven't dug the Reflex I drive out of storage yet. There's also a box of serial number proms :) Pictures are at www.ezwind.net/microdata Game on :) J

13 years, 9 months

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PDP8-L and Teletype in eBay

by spedraja＠ono.com

For anyone interested and with cash available. http://www.ebay.co.uk/itm/DEC-Digital-PDP-Industrial-8-Minicomputer-Manuals… Regards. SPc.

13 years, 9 months

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slide rules

by mcguire＠neurotica.com

Coincidentally with the recent discussion of slide rules, this nice article just hit EDN: http://www.edn.com/design/analog/4396854/Slideshow--Slide-rules-and-charts-… -Dave -- Dave McGuire, AK4HZ New Kensington, PA

13 years, 9 months

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LOBO Systems MAX-80

by billdeg＠degnanco.com

> > Hi, > > I was curious if anyone had any information about (or experience with) LOBO > Systems MAX-80's. I have four of these, and they came with no > accessories, documentation, etc. > > I found an operations manual and a Technical Reference manual, but that's > about it. > > My only testing so far was to connect them to an NTSC monitor, and all I > get is some static-like display. Reading the operation manuals, it says > something to the extent that it should display static if there are no disk > drives attached. But another part of the manual says it should show some > text on power-on. > It's not saying that you will get something on the screen without disk drives attached, it's saying that AND valid boot media..Do you have boot disks? Otherwise you're not going to get very far. On my web site I have the scan of the page that you need to know where to attach the drive, but it's documented in the manual. There are boot media images online you can build using the ImageDisk. Bill

13 years, 9 months

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TRS-DOS as possible prior art for MS patent on exFAT, and Reference request

by eric＠brouhaha.com

Microsoft introduced a new "exFAT" file system a few years ago, and I wouldn't care about it in the least, except that it is now the official filesystem for SD-XC cards. I only care about that in that digital cameras and such will likely only support exFAT on SD-XC cards, and I'd like my computer, not running Windows, to be able to efficiently access files on such cards. The problem is that Microsoft filed several patent applications covering exFAT. One of them is application US 2009/0164440 A1, for which the US patent office has recently mailed a "Notice of Allowance", which means that they have decided to issue the patent. This application is titled "Quick filename lookup using name hash". Based on the title, it sounded like they are doing what TRS-DOS 2.0 did back in 1978, which is putting on the disk a hash table of filenames which then refer to directory entries. TRS-DOS did that so that it usually only needed to read two sectors to look up a file, the HIT (Hash Index Table) sector, and the actual directory sector containing the file's directory entry. Otherwise they might have had to read multiple directory sectors to find the file if it existed, and all of the directory sectors if it did not. The claims of the patent are a little difficult to interpret. They refer to "a first one or more computer readable storage media having computer executable instructions...". This is basically referring to the disk/flash/etc. the operating system is booted from. They refer to "a second one or more..." which is the disk/flash/etc. which holds the file system in question. Here's are two of the independent claims: 1. A first one or more computer readable storage media having computer executable instructions that, when executed on at least one processor, configure the at least one processor to perform a method of detecting if a target file name exists on a second one or more computer readable storage media, the method comprising: (A) determining a name hash from the target name; (B) determining if the name hash corresponds to a directory entry set name hash value, the directory entry set name hash value corresponding to one of a plurality of directory entry sets, each of the plurality of directory entry sets stored on the second one or more computer readable storage media; (C) determining if the target name matches a directory entry set name corresponding to the one of the plurality of directory entry sets after step (B) determines the name hash corresponds to the directory entry set name hash value; and (D) indicating that the target name exists after step (C) determines the target name matches the directory entry set name. 19. A method of detecting if a target file name exists, the method executing on one or more processors, the method comprising: (A) determining a file name hash from the target file name; (B) determining if the file name hash corresponds to a directory entry hash value, the directory entry hash value corresponding to one of a plurality of directory entries; (C) determining if the target file name matches a file name, the file name corresponding to the one of the plurality of directory entries after step (B) determines the file name hash corresponds to the directory entry hash value; and (D) indicating that the target file name exists after step (C) determines the target file name matches the file name corresponding to the one of the plurality of directory entries. These seem to be to be to be *exactly* what TRS-DOS 2.0 did as early as 1978, so it seems possible that TRS-DOS could be used as prior art to invalidate at least these independent claims, and quite possibly some of the dependent claims as well. So my question is, are there any published works documenting the TRS-DOS file system on-disk format, especially the use of the HIT table, other than "TRS-80 Disk and Other Mysteries" by H. C. Pennington?

13 years, 9 months

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Beware of eBay id TRIPLEHAATA

by rampaginggreenhulk＠yahoo.com

He keeps e-mailing me and asking me to pull key tops off of keyboards. NO intention of actually buying a k/b mind you (not at the price I'm asking for one, priced _not_ to sell ;). Beware of this guy, he's simply up to no good! You'll try and be nice and wind up RUINING a keyboard. What chutzpah! ?And relative to a recent thread, YES he does collect keyboards ;)

13 years, 9 months

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Free SGI and other in Vancouver, BC

by pontus＠update.uu.se

Hi A fellow over at the SGI forums has run into some problems and need to let go of his entire collection pretty fast. http://forums.nekochan.net/viewtopic.php?f=4&t=16726942 I don't know the story, I don't know him outside of the forums but there are some really nice machines (even DEC) in there for a person with some storage space and a big car. Regards, Pontus.

13 years, 9 months

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PDP11 (brazil)

by jwest＠classiccmp.org

PDP11 of unknown model Used from 1978 until "yesterday" to do the billing for Rio De Janeiro's Metro transit billing system. Includes an "EDMONSON" card, whatever that is. Contact me off list if interested. J

13 years, 9 months

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Microdata Reality M1600

by jwest＠classiccmp.org

I'm pondering starting the restoration project for the M1600. One thing concerns me though, I have fairly high suspicion that the Reflex I drive is "beyond all recall". Before I put a lot of time in starting that project, anyone have a spare Reflex I drive around just in case I get to that point and it's not recoverable? I'd hate to spend all the time on the machine and find out it's unusable. Unlike a lot of other machines, the M1600 is a paperweight without a disc drive....

13 years, 9 months

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PDP 11/03 (australia)

by jwest＠classiccmp.org

PDP 11/03 available in australia, contact me off-list if interested. J

13 years, 9 months

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Beware of eBay id TRIPLEHAATA

by Gary＠realtimecomp.com

> From: cctalk-bounces at classiccmp.org on behalf of Chris Tofu > Sent: Wed 9/26/2012 3:00 PM > Subject: Beware of eBay id TRIPLEHAATA > He keeps e-mailing me and asking me to pull key tops off of keyboards. NO intention of actually buying a k/b mind you (not at the > price I'm asking for one, priced _not_ to sell ;). Beware of this guy, he's simply up to no good! You'll try and be nice and wind up > RUINING a keyboard. What chutzpah! > And relative to a recent thread, YES he does collect keyboards ;) Just for the record (I was the one asking for LA-36 keys) It's not me! I am against breaking up a good keyboard, and only was interested if it was going to be scrapped! Gary

13 years, 9 months

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strange remark about your collection?

by cfox1＠cogeco.ca

At 01:08 PM 26/09/2012, you wrote: >On Wed, 26 Sep 2012, Sam O'nella wrote: > >>"Computers don't belong in the kitchen" - wife >>although "I want this thing out of the living room!" is a close second. > > Closely followed by, "Are you done with the Apple IIc on the > dining room table?" > > >Mike Loewen mloewen at cpumagic.scol.pa.us >Old Technology http://sturgeon.css.psu.edu/~mloewen/Oldtech/ On the other hand most of the interesting additions to my collection recently have come >from fellows who have had to clean out their basements Charlie Fox Charles E. Fox 793 Argyle Rd. Windsor Ont. 519-254-4991 N8Y3j8 www.chasfoxvideo.com

13 years, 9 months

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