November 2009 - test-drb@ccmp.vtda.org

by wdonzelli＠gmail.com

A old issue of Datamation (Nov 1977, I think - its out in the van right now) had a very short blurb about some upcoming S/360s I have never heard about - models 58 and 7. The 7 intrigues me, being described as a machine smaller than the model 20, which would make it fit somewhere in the minicomputer realm. I doubt these machines ever saw the light of day - likely never even left the back of the napkin at the diner in Poughkeepsie. -- Will

15 years, 7 months

5
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286 to 386 processor upgrades (and the amiga bridgeboard)

by brianlanning＠gmail.com

I just bought a 286 bridge board for the amiga. Much fun awaits... Does anyone know of a stash of 286 to 386 processor upgrades anywhere? I seem to remember a few companies marketing these. Also, iirc, there's a daughter card on the bridge board that covers the 286 socket. Any idea what I can use to widen the gap between the daughter (sandwich) card and the bridge board so that the processor upgrade would fit? Some short ribbon cables might be all it takes. I have an ide caching controller, scsi controller, sound blaster board, and network board ready to plug in. Still need a vga board. I have a 5.25" floppy floating around somewhere, but i'd like to find one of those 5.25" and 3.5" floppy combo drives. Imagine the possibilities :-) What I'd really like to find is one of those isa bus extenders that plug into a passive back plane in another case. With the external scsi tower, that would go a long way toward turning my 2000 into amigazilla. :-) brian

15 years, 7 months

1
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VC-F. (Was Re: Cromemco Z-2 and IMSAI 8080 at Purdue)

by roger.holmes＠microspot.co.uk

> Message: 3 > Date: Thu, 19 Nov 2009 23:19:34 -0500 > From: Bryan Pope <bryan.pope at comcast.net> > Subject: Re: Cromemco Z-2 and IMSAI 8080 at Purdue >> >> >>> Can we just call Erik's web board the VC Forum? >>> >>> >> <smartass> >> >> But then you'll annoy venture capitalists -grin- >> >> </smartass> >> > Tag dutifully taken! :p > > I was hoping the crowd here would automatically know that "VC" mean > "Vintage Computer" and not venture capitalists or umm..., anything > else. Outside of here, VC would of course be fair game. Irrespective of their interests, I think if you mention VC to anyone in the British Commonwealth you'll find they automatically think the abbreviation means Victoria Cross, the highest award for military gallantry. So high that most are awarded posthumously,. Someone with VC after their name gets a lot of respect here. Roger Holmes.

15 years, 7 months

1
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ICT computer tape on eBay

by roger.holmes＠microspot.co.uk

If anyone here has bought/is going to buy any of the ICT computer tapes from eBay (current item number 380177625923), then I probably have the only machine in the world that can read them. As I already have about 300 of these, I'm not willing to shell out 20 pounds each for them, and they may be blank anyway. However I might be missing out on data that is on them, so if either you would like to know what's on them or don't mind giving me the chance to read them then I would be vary happy to do so. You might be thinking they are standard 7 track of 9 track tapes. They aren't. They fit the Ampex TM4 drives fitted to the ICT 1300/1301/1302 (and also to the Leo 3 I think) and are ten track devices with (for the computer industry), non standard hubs. The hubs are the audio/video standard hubs, and I suspect some buyers think they are 1/4 inch audio tapes as the vendor does not spell out that they are 1/2 inch (though I questioned this and they are 1/2 inch). I suppose they will make interesting ornaments for the wall. As they've no labels they're probably blank, but who knows, they might contain the holy grail of a copy of the 1302 Executive. Roger Holmes Owner of 'Flossie' the worlds last working ICT 1301, delivered to the University of London 1962 for administration, like grading exam results and printing certificates.

15 years, 7 months

1
0
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MR-78 programs for a DEC VT-78?

by ethan.dicks＠gmail.com

Hi, All, After years of looking, thanks to a tip from this list, I finally have a VT-78 to play with. I got a complete WPS-78 system except for the cart - CPU, RX78 floppy enclosure, and DEC-badged Diablo Hytype? II daisywheel printer and all the cables. So far, everything checks out. The CPU came with an MR-78 ROM pack on it. For those that might not know, it's an optional bolt-on firmware box that attaches to a DB25 plug and simulates a high-speed papertape reader. From reviewing the MR-78 printset (at the end of some of the electronic copies of the VT-78 printset), it appears that DEC sold it with several sets of firmware - there's at least a WPS78 load and a diagnostic firmware load, and possibly one or two more. Are there any ROM dumps of the MR-78 anywhere? In all my years of collecting PDP-8 parts and software and docs, I've never seen any, but I might as well ask. The circuit is utterly trivial to reproduce, and, of course, the size of modern ROMs would make it a no-brainer to make an uber-MR-78 with all known versions of the firmware on it, or with user-definable content as well (the code is stored as 8-bit bytes simulating a papertape stream (either BIN or RIM (have to check the "panel ROM code" to see which one) with some functionality removed (no RUBOUT, no pauses, and such)). Obviously I can dump the one I have, but it would be interesting to review the contents of the others. Thanks for any pointers on the MR-78 and its contents. -ethan

15 years, 7 months

1
0
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Kenbak PCB wanted

by jdr_use＠bluewin.ch

There have been various successful attempts at recreating the Kenbak. If anyone has a spare PCB for sale, I'd be interested. Jos Dreesen

15 years, 7 months

1
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Kenbak PCB

by jos.dreesen＠bluewin.ch

There have been various successful attempts at recreating the Kenbak. If anyone has a spare PCB for sale, I'd be interested. Jos Dreesen

15 years, 7 months

1
0
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Tektronix 4225 -- is it an X terminal?

by andreas＠haertel-net.de

Hi, I?ve found this thread when googled the web. I?ve got a TEK 4225 also, but there isn?t any docs anywhere. The graphics functions work fine over serial line with my MicroVAX. But no more information about the AUI interface and its setup exists in web. Have you got something else in the meantime? cheers Andreas

15 years, 7 months

1
0
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Software/documentation for the LSI-11 inside a Bridgeport Series II CNC milling machine?

by ethan.dicks＠gmail.com

Hi, All, I was helping someone in town with some motor issues on their circa-1980 Bridgeport CNC mill for which they fortunately have many original docs. I was tremendously surprised to find that there's an LSI-11 in the heart of the CNC cabinet. The docs have schematics, register maps, etc., and even instructions for how to use the Bridgeport punched-tape-loadable diagnostics. Fortunately, this unit has the optional punched-tape reader. Unfortunately, it has no tapes. I've done some cursory looking around and little is leaping out at me (except frequent mentions of folks who have upgraded away from the original CNC package). I'm wondering if anyone on the list knows where to pick up images of the diagnostic software for this thing. Thanks for any tips or hints. -ethan

15 years, 7 months

2
1
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BBC report of "first computer virus"

by cclist＠sydex.com

A tidbit about Fred Cohen and the First Ever Computer Virus on the Beeb: http://news.bbc.co.uk/2/hi/technology/8366703.stm Except that I'm thinking that "first ever" is an exaggeration. Perhaps "first ever published for review". Even the name wasn't new in 1983. Around 1973, ten years earlier, I recall a CDC Sunnyvale ops emplyee got into some mischief on the Development Center 6400 running SCOPE 3.4 by writing a rather simple program that made use of two PP calls-- RSJ, to reschedule a job and RPV the "reprieve" service, used to recover from a job-terminating error, including a normal EOJ. The net result was that the job filled up the input queue with copies of itself and any attempt by the operator to kill it would simply spawn more copies. I seem to remember that the message displayed by the job was "You have caught a virus" or something similar. The only way out of the mess was to initiate a non-recovery deadstart of the system and then sort through jobs submitted for running before resubmitting them to find the culprit. I don't recall the name of the employee or what division he worked for; only that the COMSOURCE people wanted his head on a pike. This was about the time of one of many layoffs, so the guy may have been a short-timer anyway and just wanted to fire a parting shot. Does anyone else have a similar (earlier) story? --Chuck

15 years, 7 months

3
2
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Hard-sector discs -- how many sectors?

by Watzman＠neo.rr.com

The Processor Technology SOL-20 with a semi-working Helios Disk System whose listing I am start this evening (Thurs, 11/19, at about 10pm EST) on E-Bay uses 8" 32-sector hard sector diskettes (and comes with two boxes of them). Wang systems also used these same diskettes, but, oddly, what we call the "back" of the diskettes was the "front" on Wang systems; they inserted them into the drive backwards by normal standards. The drive in the Helios is a Persci drive, just jumpered differently than for soft-sector use. There is (or was) also a very rare and unusual 32-sector 8" hard sector diskette where the sector holes were at the outer edge of the diskette circumference. Not sure who used this, but I know it existed. I believe that there was also a 16-sector 8" diskette, but I'm not sure. The number of sectors is related to sector size (Duh !!). In fact, the Helios, which had hardware variable sector sizes, defaults to using only every other sector hole and double-size sectors (in other words, I believe that it effectively has 16 sectors of 256 bytes per track, even though the diskette has 32 sector holes). By having fewer larger sectors, you effectively convert the otherwise lost inter-sector gaps into data space and increase the capacity of the media (this is true for soft sector as well). In the 5.25" size, I know that there was both 10-sector and 16-sector media. Heathkit/Zenith and NorthStar both used the 10-sector media. Subject: Re: Hard-sector discs -- how many sectors? On Thu, 19 Nov 2009, Philip Pemberton wrote: >> Specifically, how many sectors can you actually get on a >> hard-sectored disc? I know 10- and 16-sector discs were (are?) >> available, but were any larger sizes (e.g. 20 or 30 sectors) ever made? > Wang sometimes used 32 SPT hard-sectored > I would NOT dare to claim that any list is exhaustive. ------------------------------

15 years, 7 months

6
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Interesting items on eBay

by wmaddox＠pacbell.net

Item # 190348608036 The seller claims this is a vintage computer from 1968. It's all been de-racked and is shown spread out on a table, local pickup only in Hudson, MA. There is a console that appears to have been part of medical instrumentation of some kind. I don't recognize the manufacturer's label that is shown, but there is a set of drawings, and the card cage appears to contain a core stack or two. Someone local might want to check it out. Item # 120492284400 These look like raw ceramic substrates similar to those used for IBM's SLT logic, but they appear to be set up with pads for larger die. Perhaps MST logic? Anway, the seller claims they are IBM material from the 1970's. There's a whole tray of them, as would be used in manufacturing. Could be interesting for the IBM mainframe collectors.

15 years, 7 months

2
1
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RGB-VGA Converter -- buy or build?

by tanderberg_99＠yahoo.com

I would like to build a RGB-VGA converter but I don't know how to design one. If you have a circuit diagram, I would like to obtain it. I have an old RS6000 320H computer which has RGB 3 BNC with sync on green. It also says "separate". It also says that 1280 * 1048(something like that). The original monitor (IBM 6091-19)has H freq =63.35kHz (something like that), V = 60 Hz. Could you help me with the circuit? Thanks Chungduck Ko

15 years, 7 months

6
10
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SRC

by wdonzelli＠gmail.com

Hey Ethan, I got one of your stinkin' Q-Boards today. Serial Sixty-Nine! -- Will

15 years, 7 months

2
1
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Symbolic Name List in VMS

by jhfinedp3k＠compsys.to

It has been over 10 years since I used VMS, but I seem to remember that there was a feature available called Symbolic Name List which is a superset to (and MUCH superior to) the PATH name in DOS. I no longer have access to the Grey Wall, so I attempted to look in bitsavers. No luck at all. Can anyone provide a link to a PDF of the VMS manual which contains to documentation for SNL in VMS. Also, is this feature to same in both the VAX and Alpha at this point? If there is a difference? Which seems to be better? Is there a separate PDF for the documentation in each case? Jerome Fine

15 years, 7 months

3
3
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Data Cartridge Drive 3 M Looking for home

by rlaag＠pacbell.net

I have a 3 M data cartridge drive and i can't use it so looking for someone needing one...? Probably from 1980 or so and I have some pictures I can send if interested...

15 years, 7 months

1
0
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tape "load and save" to a PC/Mac

by spectre＠floodgap.com

I'm working on a Tomy Tutor tape decoder because, well, no one else is. To that end, this weekend I managed to crack the encoding and now have a primitive tape decoder that reads an AIFF audio file and spits out bits for a higher-level decoder to process. To date I can now see the bit pattern for the GRAPHIC paintbox, and can even do rudimentary decoding of BASIC programs. So far so good. However, playing back that exact uncompressed 44.1kHz 16-bit mono AIFF into the Tutor doesn't work (before you ask, the Tutor's tape inputs are mono). The Tutor doesn't see the sync mark, and never loads the "tape." I recorded this a few times, making sure that all the output got on the audio file, and no dice. I also played with line levels and varied the output volume level through all the fine steps the Mac would let me step, and the Tutor just sits there. Have people discovered any gotchas in general about using PC audio files to load and save from tape, besides the obvious ones like don't compress, etc.? Any suggestions about how to make the Mac's output more acceptable to the Tutor? -- ------------------------------------ personal: http://www.cameronkaiser.com/ -- Cameron Kaiser * Floodgap Systems * www.floodgap.com * ckaiser at floodgap.com -- Adore, v.: To venerate expectantly. -- Ambrose Bierce ----------------------

15 years, 7 months

9
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original Motorola 6809 demonstration hardware

by lynchaj＠yahoo.com

Hi! Does anyone know what hardware Motorola originally used to demonstrate the 6809? I am referring to the hardware Motorola references in the 6809 programming manual. It is the hardware that Motorola wrote their ASSIST09 debug monitor to run on. The reason I am asking is to understand how they are connecting the output of timer #1 of the MC6840 PTM to the CPU /NMI line. Specifically, is it directly connected or inverted? Is other logic involved or further qualifications? Does anyone have schematics available of the original Motorola 6809 hardware? The ASSIST09 source code implies a direct connection but that is counter intuitive to me since the /NMI line is active low and the PTM timer #1 is active high. The ASSIST09 monitor uses the PTM connected to the /NMI line for hardware assisted tracing. According to the datasheet for the 6809 and 6840, the /NMI is activated on the negative transition which would be on the falling edge of the pulse from the PTM timer output if directly connected. If inverted, it would be on the leading edge of the pulse. The reason I need this information is I am building an IO mezzanine board (ACIA, PTM, dual VIAs) for the N8VEM 6809 host processor. The good news is that I've seen the hardware assisted tracing work using the inverted output of the timer. However, the IO mezzanine is connected to the 6809 host processor by ribbon cables which are notorious for causing signal delays and other problems. As a result, the tracing is unreliable and I would like to fault isolate. The rest of ASSIST09 seems to be working reliably on my prototype hardware. Originally, I presumed Motorola designed the ASSIST09 monitor for the EXORset system since it was their first 6809 based computer and released about the same time as the 6809's introduction. If anyone has familiarity with the original Motorola hardware for the ASSIST09 debug monitor I would appreciate your help. Thanks in advance and have a nice day! Andrew Lynch I refer to these two functions in the ASSIST09 source code: ************************************************** * [SWI FUNCTION 8] * MONITOR ENTRY * FIREUP THE ASSIST09 MONITOR. * THE STACK WITH ITS VALUES FOR THE DIRECT PAGE * REGISTER AND CONDITION CODE FLAGS ARE USED AS IS. * 1) INITIALIZE CONSOLE I/O * 2) OPTIONALLY PRINT SIGNON * 3) INITIALIZE PTM FOR SINGLE STEPPING * 4) ENTER COMMAND PROCESSOR * INPUT: A=0 INIT CONSOLE AND PRINT STARTUP MESSAGE * A#0 OMIT CONSOLE INIT AND STARTUP MESSAGE ************************************************* SPC 1 SIGNON FCC /ASSIST09/ SIGNON EYE-CATCHER FCB EOT SPC 1 ZMONTR STS <RSTACK SAVE FOR BAD STACK RECOVERY TST 1,S ? INIT CONSOLE AND SEND MSG BNE ZMONT2 BRANCH IF NOT JSR [VECTAB+.CION,PCR] READY CONSOLE INPUT JSR [VECTAB+.COON,PCR] READY CONSOLE OUTPUT LEAX SIGNON,PCR READY SIGNON EYE-CATCHER SWI PERFORM FCB PDATA PRINT STRING ZMONT2 LDX <VECTAB+.PTM LOAD PTM ADDRESS BEQ CMD BRANCH IF NOT TO USE A PTM CLR PTMTM1-PTM,X SET LATCH TO CLEAR RESET CLR PTMTM1+1-PTM,X AND SET GATE HIGH LDD #$01A6 SETUP TIMER 1 MODE STA PTMC2-PTM,X SETUP FOR CONTROL REGISTER1 STB PTMC13-PTM,X SET OUTPUT ENABLED/ * SINGLE SHOT/ DUAL 8 BIT/INTERNAL MODE/OPERATE CLR PTMC2-PTM,X SET CR2 BACK TO RESET FORM * FALL INTO COMMAND PROCESSOR SPC 3 *******************TRACE - TRACE INSTRUCTIONS ******************* . - SINGLE STEP TRACE CTRACE BSR CDNUM OBTAIN TRACE COUNT STD <TRACEC STORE COUNT CDOT LEAS 2,S RID COMMAND RETURN FROM STACK CTRCE3 LDU [10,S] LOAD OPCODE TO EXECUTE STU <LASTOP STORE FOR TRACE INTERRUPT LDU <VECTAB+.PTM LOAD PTM ADDRESS LDD #$0701 7,1 CYCLES DOWN+CYCLES UP STD PTMTM1-PTM,U START NMI TIMEOUT RTI RETURN FOR ONE INSTRUCTION SPC 3

15 years, 8 months

1
0
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Non-fake Apple 1 on ebay

by alhartman＠yahoo.com

Can you guys please change the subject of your posts to "Rare minerals" or something. ? When I see a header that purports to talk about "Non-fake Apple 1 on ebay", I'm kinda hoping the message body actually contains text that the subject refers to... ? Thanks!

15 years, 8 months

1
0
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Free ND-110/CX

by pontus＠Update.UU.SE

Hi all! I'm somewhat swamped in old computer gear and thought I should see if anyone wants to take care of my Norsk Data ND-110/CX. It is a rather large machine, as can be seen on toresbe's site: http://folk.uio.no/toresbe/nd/history_files/nd-100.jpg It comes with a matching terminal with keyboard, just as on the picture. I have gotten it boot, but it probably needs a bit of love. So, free for pickup in Uppsala Sweden. If you want it shipped I will need some "motivation". If nobody wants it, it will go into longtime storage, this is not a rescue call. Cheers, Pontus.

15 years, 8 months

1
0
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Speechless! (ebay madness alert)

by witchy＠binarydinosaurs.co.uk

Folks, Some 'artists' are mental. Discuss. Item 150382954132 -- Adrian/Witchy Binary Dinosaurs creator/curator Www.binarydinosaurs.co.uk - the UK's biggest private home computer collection?

15 years, 8 months

23
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RGB-to-VGA adapter & docs was: Re: HP "Field Guide" ?

by tanderberg_99＠yahoo.com

Hello Eric: I have been looking for RGB (BNC) to VGA converter. I also found Magenta Research is selling one at $695. I have an old IBM RS6000 computer which used a fixed frequency monitor with BNC RGB input. I would like to connect a modern PC monitor. Would you think your circuit works for my case? If so, could you send me the circuit? Thank you Chungduck Ko

15 years, 8 months

3
2
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Motorola EXORset

by lynchaj＠yahoo.com

http://classiccmp.org/pipermail/cctalk/2009-November/278609.html Motorola EXORset Henk Gooijen henk.gooijen at hotmail.com <mailto:cctalk%40classiccmp.org?Subject=Re%3A%20Motorola%20EXORset&In-Reply- To=%3CBAY128-DS3AEB02DB68B6D8DA8B2BB86A50%40phx.gbl%3E> Mon Nov 16 10:04:35 CST 2009 * Previous message: Motorola <http://classiccmp.org/pipermail/cctalk/2009-November/278599.html> EXORset * Next message: IC <http://classiccmp.org/pipermail/cctalk/2009-November/278600.html> DEC8881 * Messages sorted by: [ <http://classiccmp.org/pipermail/cctalk/2009-November/date.html#278609> date ] [ <http://classiccmp.org/pipermail/cctalk/2009-November/thread.html#278609> thread ] [ <http://classiccmp.org/pipermail/cctalk/2009-November/subject.html#278609> subject ] [ <http://classiccmp.org/pipermail/cctalk/2009-November/author.html#278609> author ] _____ From: "Andrew Lynch" <lynchaj at yahoo.com <http://www.classiccmp.org/mailman/listinfo/cctalk> > Sent: Sunday, November 15, 2009 10:40 PM To: <cctalk at classiccmp.org <http://www.classiccmp.org/mailman/listinfo/cctalk> > Subject: Motorola EXORset > Hi! Does anyone have the schematics for the Motorola EXORset? If so, > would > you please either make a scan or look something up for me? > > I would like to know how the MC6840 PTM interfaces with the MC6809 CPU. > > Thanks and have a nice day! > > Andrew Lynch It is fairly straight forward, as with all 68xx chips. The databus goes to ... the databus. The E clock input connects to the E (sometimes called phi2) of the 6809. The RSx pins go to address lines, depending on your decoding scheme. The normal method is RS0 to A0, RS1 to A1 and RS2 to A2. R/W* goes directly to the R/W* pin of the CPU. CS0* and CS1 go to address decode logic. The chip is selected when CS0* = "0" and CS1 = "1". If you want to use interrupts you must tie the IRQ output of the PTM to the IRQ input of the CPU. As several peripheral devices can be connected to the IRQ pin of the CPU, they are all open collector. So somewhere the IRQ line must have a pull-up resistor. - Henk. ----- REPLY FOLLOWS ----- Hi Henk! Thanks for the help! What I am trying to do is build an IO mezzanine board for the N8VEM 6809 host processor board. I currently have a 6809 host processor board with a 6809 CPU, RAM, ROM, and a 6821 PIA to 8255 PPI "bus bridge" to the ECB. The device appears on the ECB as a peripheral to the Z80 "bus controller". What I am building is an IO mezzanine board for the 6809 host processor which will plug in on top of the 6809 host processor and provide some IO devices. Currently, it supports the 6551 ACIA (working), 6840 PTM (working), and a pair of 6522 VIAs (not installed yet). The ACIA is working since I can communicate with the 6809 host processor and IO mezzanine board using my crude monitor (minibug). I've written a small program to make the output of timer #3 make a square wave so I am pretty sure the PTM is working as well. My major goal of the IO mezzanine board project is to be able to run the Motorola ASSIST09 debug monitor to include the hardware single step mode. The PTM is interfaced to the CPU in the usual way however, the output of timer #1 is also connected to the /NMI line of the CPU. I am since the CPU /NMI is active low and the output of PTM timer #1 is active high (I think), I am running the signal through an inverter. That's why I am asking about the Motorola EXORset because I believe the ASSIST09 was released to support that hardware and I would like to check my design with it. If you or anyone else has any information on the hardware ASSIST09 was originally written to run on please let me know. Thanks in advance and have a nice day! Andrew Lynch PS, I just got the ACIA code (sort of) working in the ASSIST09 monitor. There is still some sort of bug as the input handling is rather screwy but I can get some things to work.

15 years, 8 months

2
1
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Pics of the industrial PDP stuff + unknown ones

by ethan.dicks＠gmail.com

On 11/16/09, John A. Dundas III <dundas at caltech.edu> wrote: > At 10:13 AM -0500 11/16/09, Ethan Dicks wrote: >>I am unfamiliar with the ACT name, but that's my opinion based on the >>board shape and chips present. > > ACT = Able Computer Technology, Able's formal name. Ah... well then... It's a very good chance it's this... http://www.able.com/qniverter.html -ethan

15 years, 8 months

3
2
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Intel 4004 complete schematics and simulator available

by dzubint＠vcn.bc.ca

(I just saw this as a story on Slashdot) The 4004 Schematics, Artwork, and Simulator at: http://www.4004.com/mcs4-masks-schematics-sim.html ----------- Thomas Dzubin

15 years, 8 months

1
0
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#2 Fw: RGB-to-VGA adapter & docs was: Re: HP "Field Guide" ?

by tanderberg_99＠yahoo.com

I did not tell you video card info. H freq = 63.35khZ and V = 60Hz fixed frequency. Thank you Chungduck Ko --- On Mon, 11/16/09, ck <tanderberg_99 at yahoo.com> wrote: > From: ck <tanderberg_99 at yahoo.com> > Subject: RGB-to-VGA adapter & docs was: Re: HP "Field Guide" ? > To: > Date: Monday, November 16, 2009, 12:03 PM > Hello Eric: > > I have been looking for RGB (BNC) to VGA converter.? I > also found Magenta Research is selling one at $695. I have > an old IBM RS6000 computer which used a fixed frequency > monitor with BNC RGB input. I would like to connect a modern > PC monitor. > > Would you think your circuit works for my case? If so, > could you send me the circuit? > Thank you > Chungduck Ko > > > > ? ? ? >

15 years, 8 months

1
0
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Motorola EXORset

by lynchaj＠yahoo.com

Hi! Does anyone have the schematics for the Motorola EXORset? If so, would you please either make a scan or look something up for me? I would like to know how the MC6840 PTM interfaces with the MC6809 CPU. Thanks and have a nice day! Andrew Lynch

15 years, 8 months

2
1
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Industrial PDP boards available

by quapla＠xs4all.nl

I have available a number of what looks like industrial PDP-11 stuff. These board do have a grey handle and are marked 'BH-xxx' instead of 'Mxxxx'. Several boards, single, dual, quad & hex ones. And also a backplane. If interested, let me know off list. Ed -- Certified : VCP 3.x, SCSI 3.x SCSA S10, SCNA S10

15 years, 8 months

4
5
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Parts bonanza

by snhirsch＠gmail.com

Anyone within driving distance of Windsor, VT might want to get in touch with Brad Thompson at WinCycle: wincycle at wincycle.org They are nominally a computer recycler who handle the usual castoffs, dead notebooks, off-lease PCs, etc, etc. Recently, a local landlord gave them the entire parts inventory of a local manufacturing company who went bankrupt and abandoned it. They made the entire thing available to local hams and hobbyists for free (or a small donation if you really felt guilty). We went down with a couple of storage tubs and filled them to the brim with tubes of unused 74-series and CD-series logic, machine-pin sockets and more resistors and caps than you could even imagine. All of this is pre-surface-mount through-hole componentry. An entire afternoon's picking didn't really make a visible dent - there's that much stuff. I would estimate many hundreds of tubes of chips and sockets and tens of thousands of caps, resistors and other small parts. I would suspect we were looking at > $100,000 worth of components at original cost. When we left, he mentioned that they might do this again next Saturday. At some point, I'm sure they will sell whatever remains to an industrial auctioneer or serious flea-marketer. So if interested, I would suggest moving quickly. Steve --

15 years, 8 months

1
0
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Shipping a Tek 'scope

by jules.richardson99＠gmail.com

I'm not reading here much at present, not until I eventually get all my collection moved, but I did just get offered a Tek 545A which is languishing in a garage down in Texas, so figured I'd ask about shipping it safely. Weight seems to be 65lbs according to the manual, but I've not poked any shipping companies yet to see how much it'll cost to get it up here to MN - perhaps it'll end up being just too costly on those grounds. Current owner's happy to pack it for me and drop it off to a shipping company (and apparently they have a Craters and Freighters about 5 miles away from them). Obviously styrofoam "poodle poop" is not a good idea - presumably a higher-density material of some kind would be good, and something that's not going to shift around too much. I wondered about some slabs of that styrofoam stuff they use as house insulation, cut to fit, but maybe that's *too* solid and won't absorb any impacts. Oh, and obviously something softer would be needed on an inner layer to protect all the controls at the front of the 'scope... Do people recommend pulling the tubes/valves and packing and shipping separately, or will they likely be OK in-situ? I'd be doing a strip-down of it anyway (it's not run in a couple of decades) - but with over 100 of them it's a lot of work for the current owner, plus I hate getting stuff already-dismantled and prefer making notes as I disassemble it myself. cheers Jules

15 years, 8 months

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DEC legacy event accounced in UK

by jgessling＠yahoo.com

>From comp.os.vms : http://wickensonline.co.uk/declegacy/ All I know is what I read on the web... Regards, Jim

15 years, 8 months

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Compupro and PET/UNITRON/TI etc. systems posted earlier

by dave09＠dunfield.com

Thanks to everyone who responded. I will be preparing a list of the responses received (in the order received) and forward them to the respective people with the systems, and they will take it from there. Sorry if my "contact me for more info" turned out to be misleading, I was hoping to have obtained permission to give out their contact info, however neither has responded yet, and apparently people from the list are getting impatient. At this point the best way for me to handle is to forward the messages I've received to the parties and let them handle it, as I have no further information to give out yet. Please stop sending emails asking if I've received your previous messages, if the systems are still available, or other questions - I know only what I posted. Thanks, Dave -- dave09 (at) Dave Dunfield dunfield (dot) Firmware development services & tools: www.dunfield.com com Collector of vintage computing equipment: http://www.classiccmp.org/dunfield/index.html

15 years, 8 months

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cctalk Digest, Vol 75, Issue 17

by ken＠seefried.com

way somewhere. > > You, sir, are blessed with being in the right part of the country to get > interesting gear cheap. The best I can hope for around here is old VCRs and > last year's Pentiums. And yes, I DO know how to find st Sent via BlackBerry by AT&T -----Original Message----- From: cctalk-request at classiccmp.org Date: Fri, 13 Nov 2009 12:00:02 To: <cctalk at classiccmp.org> Subject: cctalk Digest, Vol 75, Issue 17 Send cctalk mailing list submissions to cctalk at classiccmp.org To subscribe or unsubscribe via the World Wide Web, visit http://www.classiccmp.org/mailman/listinfo/cctalk or, via email, send a message with subject or body 'help' to cctalk-request at classiccmp.org You can reach the person managing the list at cctalk-owner at classiccmp.org When replying, please edit your Subject line so it is more specific than "Re: Contents of cctalk digest..." Today's Topics: 1. Re: Shipping a Tek 'scope (Peter C. Wallace) 2. Re: Shipping a Tek 'scope (William Donzelli) 3. Re: GRI (William Donzelli) 4. Re: Shipping a Tek 'scope (CRC) 5. Re: Shipping a Tek 'scope (Chuck Guzis) 6. Re: Shipping a Tek 'scope (Dave McGuire) 7. Re: GRI (Curt @ Atari Museum) 8. Re: apple documentary and huge apple collection (Brian Lanning) 9. Re: GRI (Chuck Guzis) 10. Re: GRI (Al Kossow) 11. Re: GRI (Al Kossow) 12. Re: GRI (William Donzelli) 13. Re: GRI (Curt @ Atari Museum) 14. Re: apple documentary and huge apple collection (Teo Zenios) 15. Re: Walkthrough of a small datacenter 1992 (jim s) 16. Compupro 8/16 system avail. in San Francisco Bay area (Dave Dunfield) 17. PET, Sinclair, Unitron (AppleII clone), TI-99/4As avail near Toronto. (Dave Dunfield) 18. Re: PET, Sinclair, Unitron (AppleII clone), TI-99/4As avail near Toronto. (Alexandre Souza) 19. Osborn 1 systems available in OR (shumaker at att.net) ---------------------------------------------------------------------- Message: 1 Date: Thu, 12 Nov 2009 15:57:44 -0800 (PST) From: "Peter C. Wallace" <pcw at mesanet.com> Subject: Re: Shipping a Tek 'scope To: "General Discussion: On-Topic and Off-Topic Posts" <cctalk at classiccmp.org> Message-ID: <Pine.NEB.4.64.0911121548130.15267 at freeby.mesanet.com> Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed On Thu, 12 Nov 2009, Dave McGuire wrote: > Date: Thu, 12 Nov 2009 18:46:34 -0500 > From: Dave McGuire <mcguire at neurotica.com> > Reply-To: "General Discussion: On-Topic and Off-Topic Posts" > <cctalk at classiccmp.org> > To: "General Discussion: On-Topic and Off-Topic Posts" <cctalk at classiccmp.org> > Subject: Re: Shipping a Tek 'scope > > On Nov 12, 2009, at 6:13 PM, William Donzelli wrote: >>> Umm the world is round. I suspect all the big cleaning of old stuff >>> was done about 10 to 15 years ago, with the advent of digital scopes. >> >> In the past six months, I have come across (in mostly different >> locations!) EIGHT different tube type Tek scopes. I will likely only >> keep the 565 machine, as all good 70s mainframe shops had a Tek on a >> cart tucked away somewhere. > > You, sir, are blessed with being in the right part of the country to get > interesting gear cheap. The best I can hope for around here is old VCRs and > last year's Pentiums. And yes, I DO know how to find stuff...there's just > not any here. > >> Just a few days ago I came into a 535A and a 567. The 567 is a little >> bit of an oddball, as it has the built in Nixie tube frequency >> counter. I may end up parting these out, unless someone wants to give >> me scrap/parts/shipping value (from 10512). It is a bit rough, so it >> is a bit of a project. > > 567, I don't think I've even heard of that model. Built-in frequency > counter, neat! I might be interested in picking that up from you if you > don't get any other takers. > > -Dave > > -- > Dave McGuire > Port Charlotte, FL Dont think its frequency counter but a voltmeter/comparator widget that can measure amplitude/risetime etc when used with sampling plugins. Has go/nogo outputs, probably intended as part of a automated test system. Peter Wallace ------------------------------ Message: 2 Date: Thu, 12 Nov 2009 19:04:28 -0500 From: William Donzelli <wdonzelli at gmail.com> Subject: Re: Shipping a Tek 'scope To: "General Discussion: On-Topic and Off-Topic Posts" <cctalk at classiccmp.org> Message-ID: <e1d20d630911121604t6b5871c5i6bfcdffcf2d4ddf7 at mail.gmail.com> Content-Type: text/plain; charset=ISO-8859-1 > Dont think its frequency counter but a voltmeter/comparator widget that can > measure amplitude/risetime etc when used with sampling plugins. Has go/nogo > outputs, probably intended as part of a automated test system. I think you might be right there. I will take a look at it tomorrow. -- Will ------------------------------ Message: 3 Date: Thu, 12 Nov 2009 19:10:50 -0500 From: William Donzelli <wdonzelli at gmail.com> Subject: Re: GRI To: "General Discussion: On-Topic and Off-Topic Posts" <cctalk at classiccmp.org> Message-ID: <e1d20d630911121610yc5d84y3649b6185709cdb3 at mail.gmail.com> Content-Type: text/plain; charset=ISO-8859-1 > GRI--Newton, Mass--I thought, was a firm not affiliated with anyone. The advert in an old Datamation has the fine print "part of GR Industries". GenRad at the time was an almost sunken ship (there is such a thing as being too conservative in the test equipment market!), and I have to think it was a mad attempt to bail out the water. -- Will ------------------------------ Message: 4 Date: Thu, 12 Nov 2009 17:35:04 -0700 From: CRC <technobug at comcast.net> Subject: Re: Shipping a Tek 'scope To: cctalk at classiccmp.org Message-ID: <211232ED-E34B-4679-913D-BEE87A8EDA70 at comcast.net> Content-Type: text/plain; charset=US-ASCII; format=flowed; delsp=yes On Thu, 12 Nov 2009 15:35:03 -0800, Chuck Guzis wrote: > [...] > You can say that again. While I don't miss fussing with the old > storage-tube scopes, a good analog scope is still a very valuable > tool (mine is an old Tek 465). I wouldn't mind owning a 7000 series > unit with a nice palette of plugins, but I suspect those are still in > high demand and command real money. > > --Chuck On Thu, 12 Nov 2009 18:51:34 -0500, Dave McGuire wrote: > 770x scopes are relatively cheap, but a 790x in good shape will > set you back may hundreds of dollars. The good thing is that they're > practically indestructible. > [...] I've seen quite a few 770x and 79xx scopes come through my local scraper in the last few years and haven't sold. Right now, the gold value in these beasts are worth more than what people are willing to pay and almost all are hitting the scrap bin. As a house warmer I keep a 7944 around - a two beam unit that will display 8 inputs, but use a Tek 2465B when I need the speed. CRC ------------------------------ Message: 5 Date: Thu, 12 Nov 2009 17:00:56 -0800 From: "Chuck Guzis" <cclist at sydex.com> Subject: Re: Shipping a Tek 'scope To: "General Discussion: On-Topic and Off-Topic Posts" <cctalk at classiccmp.org> Message-ID: <4AFC3F48.24450.21FCBAB at cclist.sydex.com> Content-Type: text/plain; charset=US-ASCII On 12 Nov 2009 at 17:35, CRC wrote: > I've seen quite a few 770x and 79xx scopes come through my local > scraper in the last few years and haven't sold. Right now, the gold > value in these beasts are worth more than what people are willing to > pay and almost all are hitting the scrap bin. As a house warmer I keep > a 7944 around - a two beam unit that will display 8 inputs, but use a > Tek 2465B when I need the speed. A shame--I remember putting in a lot of hours with the logic analyzer plugin--it was amazingly useful, even when compared to the dedicated HP analyzers of the 70s. --Chuck ------------------------------ Message: 6 Date: Thu, 12 Nov 2009 20:24:08 -0500 From: Dave McGuire <mcguire at neurotica.com> Subject: Re: Shipping a Tek 'scope To: "General Discussion: On-Topic and Off-Topic Posts" <cctalk at classiccmp.org> Message-ID: <8704A9C2-14D8-42C3-96E8-20EC283E2294 at neurotica.com> Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed On Nov 12, 2009, at 7:35 PM, CRC wrote: >> [...] >> You can say that again. While I don't miss fussing with the old >> storage-tube scopes, a good analog scope is still a very valuable >> tool (mine is an old Tek 465). I wouldn't mind owning a 7000 series >> unit with a nice palette of plugins, but I suspect those are still in >> high demand and command real money. >> >> --Chuck > > On Thu, 12 Nov 2009 18:51:34 -0500, Dave McGuire wrote: > >> 770x scopes are relatively cheap, but a 790x in good shape will >> set you back may hundreds of dollars. The good thing is that they're >> practically indestructible. >> [...] > > I've seen quite a few 770x and 79xx scopes come through my local > scraper in the last few years and haven't sold. Right now, the gold > value in these beasts are worth more than what people are willing > to pay and almost all are hitting the scrap bin. As a house warmer > I keep a 7944 around - a two beam unit that will display 8 inputs, > but use a Tek 2465B when I need the speed. They still fetch big bucks on eBay and through brokers. Anyone scrapping them is a fool. -Dave -- Dave McGuire Port Charlotte, FL ------------------------------ Message: 7 Date: Thu, 12 Nov 2009 20:27:31 -0500 From: "Curt @ Atari Museum" <curt at atarimuseum.com> Subject: Re: GRI To: General Discussion: On-Topic and Off-Topic Posts <cctalk at classiccmp.org> Message-ID: <4AFCB603.5060204 at atarimuseum.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Anybody have a Genrad 6500 development system they'd like to trade or sell ? Curt Dave McGuire wrote: > > GenRad made LOTS of very high-end automated board testers as well, > most of which were built around embedded Qbus PDP-11s. Many of them > are still in service; I have a friend who runs a tidy business > maintaining them. > > -Dave > > On Nov 12, 2009, at 6:32 PM, Dave Caroline wrote: >> Around that time ish they were also making a digital tester, Bug hound >> GR2220, I wonder if that was born to fix their computer etc >> >> Dave Caroline >> >> On Thu, Nov 12, 2009 at 11:18 PM, William Donzelli >> <wdonzelli at gmail.com> wrote: >>> Speaking of classic test equipment... >>> >>> The circa-1970 GRI-99 minicomputer from GRI. What a bomb. I have to >>> wonder how many sold, and if any are left. >>> >>> Was GRI an attempt by General Radio to get into the minicomputer fray? >>> >>> -- >>> Will >>> > > ------------------------------ Message: 8 Date: Thu, 12 Nov 2009 19:49:07 -0600 From: Brian Lanning <brianlanning at gmail.com> Subject: Re: apple documentary and huge apple collection To: "General Discussion: On-Topic and Off-Topic Posts" <cctalk at classiccmp.org> Message-ID: <6dbe3c380911121749k46bd11c9s661f9ecffc77e8c9 at mail.gmail.com> Content-Type: text/plain; charset=ISO-8859-1 On Thu, Nov 12, 2009 at 5:26 PM, Alexandre Souza <pu1bzz.listas at gmail.com>wrote: > It remembers me how HARD is to find a IIGS here in Brazil. Even a > motherboard would help. > > BTW, anyone with a spare Ramworks II or Ramworks III? :o) > Or how about a 2e/2gs scsi controller? There are great many machines that aren't here either. I'd like to have a Sharp X68000. But that's unlikely to happen here. If one came up on ebay, I'm sure it would have a ridiculous price. :-) I just picked up a spare 2gs from ebay for the princely sum of $8. lol Some of them go for quite a bit though if they include all the accessories. brian ------------------------------ Message: 9 Date: Thu, 12 Nov 2009 18:17:02 -0800 From: "Chuck Guzis" <cclist at sydex.com> Subject: Re: GRI To: "General Discussion: On-Topic and Off-Topic Posts" <cctalk at classiccmp.org> Message-ID: <4AFC511E.14431.2657941 at cclist.sydex.com> Content-Type: text/plain; charset=US-ASCII On 12 Nov 2009 at 19:10, William Donzelli wrote: > > GRI--Newton, Mass--I thought, was a firm not affiliated with anyone. > > The advert in an old Datamation has the fine print "part of GR > Industries". > > GenRad at the time was an almost sunken ship (there is such a thing as > being too conservative in the test equipment market!), and I have to > think it was a mad attempt to bail out the water. Will, I think it's the wrong "GR", but an interesting story. From http://www.cs.uiowa.edu/~jones/arch/risc/ "Sidenote: Saul Dinman explained in 2003 that GRI was originally General Research Corporation, a private Massachussetts company; when it went public, it had name conflicts with a pre-existing General Research, and then with General Radio as it hunted for a non- conflicting name. Under the name GRI, the company was eventually acquired by venture capitalists in North Carolina, and then by a display manufacturer that wanted to buy their OEM supplier, and finally by Analog Devices. The GRI processor architecture was one of the first bus-oriented architectures built using a printed-circuit backplane. Thousands of GRI-909 systems were sold on an OEM basis, mostly in the industrial control sector. Had marketing and capitalization worked out differently, the GRI-909 might have been an effective competitor for the Data General Nova, another DEC spinoff." So I guess that any remnants of GRI might be in AD's archives... Cheers, Chuck ------------------------------ Message: 10 Date: Thu, 12 Nov 2009 19:06:14 -0800 From: Al Kossow <aek at bitsavers.org> Subject: Re: GRI To: General Discussion: On-Topic and Off-Topic Posts <cctalk at classiccmp.org> Message-ID: <4AFCCD26.4090402 at bitsavers.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed William Donzelli wrote: > Was GRI an attempt by General Radio to get into the minicomputer fray? > No, it was a company started by Saul Denman after he left DEC. Saul came up with the PDP-8/S Did some GRI stuff turn up? ------------------------------ Message: 11 Date: Thu, 12 Nov 2009 19:16:44 -0800 From: Al Kossow <aek at bitsavers.org> Subject: Re: GRI To: General Discussion: On-Topic and Off-Topic Posts <cctalk at classiccmp.org> Message-ID: <4AFCCF9C.3000400 at bitsavers.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Curt @ Atari Museum wrote: > Anybody have a Genrad 6500 development system they'd like to trade or > sell ? > The 6500 development system was designed by a company called Datakit. Home-grown OS, and hard sectored floppies, as I recall. ------------------------------ Message: 12 Date: Thu, 12 Nov 2009 22:21:36 -0500 From: William Donzelli <wdonzelli at gmail.com> Subject: Re: GRI To: "General Discussion: On-Topic and Off-Topic Posts" <cctalk at classiccmp.org> Message-ID: <e1d20d630911121921l28c361d9ta93659e61e0113c1 at mail.gmail.com> Content-Type: text/plain; charset=ISO-8859-1 > No, it was a company started by Saul Denman after he left DEC. Saul > came up with the PDP-8/S > > Did some GRI stuff turn up? Nope, just some old Datamations with the advert. I find it interesting that the ad does not make it clear at all that the company is or is not associated with GenRad. -- Will ------------------------------ Message: 13 Date: Thu, 12 Nov 2009 22:30:14 -0500 From: "Curt @ Atari Museum" <curt at atarimuseum.com> Subject: Re: GRI To: General Discussion: On-Topic and Off-Topic Posts <cctalk at classiccmp.org> Message-ID: <4AFCD2C6.2050904 at atarimuseum.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Hi Al, Thanks for the heads up and info.... Curt Al Kossow wrote: > Curt @ Atari Museum wrote: >> Anybody have a Genrad 6500 development system they'd like to trade or >> sell ? >> > > The 6500 development system was designed by a company called Datakit. > Home-grown > OS, and hard sectored floppies, as I recall. > > ------------------------------ Message: 14 Date: Thu, 12 Nov 2009 23:04:41 -0500 From: "Teo Zenios" <teoz at neo.rr.com> Subject: Re: apple documentary and huge apple collection To: "General Discussion: On-Topic and Off-Topic Posts" <cctalk at classiccmp.org> Message-ID: <E51349B2B4A64A878BA06BC75AB5C6F2 at dell8300> Content-Type: text/plain; format=flowed; charset="iso-8859-1"; reply-type=original ----- Original Message ----- From: "Brian Lanning" <brianlanning at gmail.com> To: "General Discussion: On-Topic and Off-Topic Posts" <cctalk at classiccmp.org> Sent: Thursday, November 12, 2009 8:49 PM Subject: Re: apple documentary and huge apple collection > On Thu, Nov 12, 2009 at 5:26 PM, Alexandre Souza > <pu1bzz.listas at gmail.com>wrote: > >> It remembers me how HARD is to find a IIGS here in Brazil. Even a >> motherboard would help. >> >> BTW, anyone with a spare Ramworks II or Ramworks III? :o) >> > > Or how about a 2e/2gs scsi controller? > I just picked up a spare 2gs from ebay for the princely sum of $8. lol > Some of them go for quite a bit though if they include all the > accessories. > > brian Depends what you do on the IIgs. If you just want to play games or a few old apps you can get by with a simple system, monitor, keyboard, dual 3.5" and dual 5.25". I have a Transwarp IIgs, 8mb RAM card, rev C SCSI card, and I mostly just boot from floppy and play games. All the extras are nice if you use GS/OS and want to transfer images and files around (and read HFS partitions or network with a Mac), but if you have an old Mac you can make usable disks there. You can still find systems on freecycle if you post a wanted, they will most likely be basic setups (teachers seem to snag them for their kids and then get rid of them when the kids get older). ------------------------------ Message: 15 Date: Thu, 12 Nov 2009 11:00:38 -0800 From: jim s <jws at jwsss.com> Subject: Re: Walkthrough of a small datacenter 1992 To: General Discussion: On-Topic and Off-Topic Posts <cctalk at classiccmp.org> Message-ID: <4AFC5B56.9050309 at jwsss.com> Content-Type: text/plain; charset=UTF-8; format=flowed rmg at ranma.com wrote: > Just ran across this list. I thought I'd share this with all of you. > > http://www.youtube.com/watch?v=am60T-p7f1E > > This was when I was working at NASA Ames -- NASA Science Internet (NSIPO), Building N-233. I had a Sony Hi8 I just had bought and was testing out. I'm surprised I kept this footage. > > Enjoy! > > Rob Gutierrez > Very interesting footage to have. I have a friend who may have one of the Micom boxes. We used one in our office for terminal access. Also interesting is that one seemed to have to waste paper to keep the systems running. I suppose most dec systems had printing consoles and had to be running, from the stories that are out there about systems where the consoles quit. I noticed the disk drives as well, still have some fujitsu drives, as well as the CDC SMD drives that appeared to be in the racks. thanks for posting it. ------------------------------ Message: 16 Date: Fri, 13 Nov 2009 09:03:56 -0500 From: "Dave Dunfield" <dave09 at dunfield.com> Subject: Compupro 8/16 system avail. in San Francisco Bay area To: cctalk at classiccmp.org Message-ID: <14E4FC3534B2 at dunfield.com> Content-Type: text/plain; charset=US-ASCII Apparently headed for recycling if no takers are found (so act soon). Contact me off-list for more info. Dave -- dave09 (at) Dave Dunfield dunfield (dot) Firmware development services & tools: www.dunfield.com com Collector of vintage computing equipment: http://www.classiccmp.org/dunfield/index.html ------------------------------ Message: 17 Date: Fri, 13 Nov 2009 09:03:56 -0500 From: "Dave Dunfield" <dave09 at dunfield.com> Subject: PET, Sinclair, Unitron (AppleII clone), TI-99/4As avail near Toronto. To: cctalk at classiccmp.org Message-ID: <14E4FBE73756 at dunfield.com> Content-Type: text/plain; charset=US-ASCII 1 Commodore 8032 computer 1 Commodore 8250M dual floppy drive 1 timex/sinclair M330 computer 1 Unitron Apple clone with single floppy drive,Applesoft tutorial & Apple lle owners manual 2 Texas Instr. TI-94/4A computers with two power supplies, one synthesizer unit with software & manuals. Located in Richmond Hill, north of Toronto (Ontario, Canada). Apparently headed for recycling if no takers are found (so act soon). Contact me off-list for more information. Dave -- dave09 (at) Dave Dunfield dunfield (dot) Firmware development services & tools: www.dunfield.com com Collector of vintage computing equipment: http://www.classiccmp.org/dunfield/index.html ------------------------------ Message: 18 Date: Fri, 13 Nov 2009 11:22:04 -0200 From: Alexandre Souza <pu1bzz.listas at gmail.com> Subject: Re: PET, Sinclair, Unitron (AppleII clone), TI-99/4As avail near Toronto. To: "General Discussion: On-Topic and Off-Topic Posts" <cctalk at classiccmp.org> Message-ID: <4a15f9590911130522h74bc0405t348103331436853b at mail.gmail.com> Content-Type: text/plain; charset=ISO-8859-1 Wow, Unitron AP II :oD This is the best brazilian apple clone :oD On Fri, Nov 13, 2009 at 12:03 PM, Dave Dunfield <dave09 at dunfield.com> wrote: > 1 Commodore 8032 computer > 1 Commodore 8250M dual floppy drive > 1 timex/sinclair M330 computer > 1 Unitron Apple clone with single floppy drive,Applesoft tutorial > & Apple lle owners manual > 2 Texas Instr. TI-94/4A computers with two power supplies, one > synthesizer unit with software & manuals. > > ------------------------------ Message: 19 Date: Fri, 13 Nov 2009 15:55:57 +0000 From: shumaker at att.net Subject: Osborn 1 systems available in OR To: cctalk at classiccmp.org Message-ID: <111320091555.5993.4AFD818C000E88970000176922230706129B0A02D29B9B0EBF9D0A050E039A089C at att.net> 2 Osborn 1 systems available in the Corvallis (actually Albany) OR area.. One gets a screen prompt, one does not (NFI) seller wants $20 each but suspect he's flexible. Needs them gone so he can move. there is apparently SOME software/docs to go with. anyone interested, contact me off list for info steve End of cctalk Digest, Vol 75, Issue 17 **************************************

15 years, 8 months

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Osborn 1 systems available in OR

by shumaker＠att.net

2 Osborn 1 systems available in the Corvallis (actually Albany) OR area.. One gets a screen prompt, one does not (NFI) seller wants $20 each but suspect he's flexible. Needs them gone so he can move. there is apparently SOME software/docs to go with. anyone interested, contact me off list for info steve

15 years, 8 months

1
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Compupro 8/16 system avail. in San Francisco Bay area

by dave09＠dunfield.com

Apparently headed for recycling if no takers are found (so act soon). Contact me off-list for more info. Dave -- dave09 (at) Dave Dunfield dunfield (dot) Firmware development services & tools: www.dunfield.com com Collector of vintage computing equipment: http://www.classiccmp.org/dunfield/index.html

15 years, 8 months

1
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PET, Sinclair, Unitron (AppleII clone), TI-99/4As avail near Toronto.

by dave09＠dunfield.com

1 Commodore 8032 computer 1 Commodore 8250M dual floppy drive 1 timex/sinclair M330 computer 1 Unitron Apple clone with single floppy drive,Applesoft tutorial & Apple lle owners manual 2 Texas Instr. TI-94/4A computers with two power supplies, one synthesizer unit with software & manuals. Located in Richmond Hill, north of Toronto (Ontario, Canada). Apparently headed for recycling if no takers are found (so act soon). Contact me off-list for more information. Dave -- dave09 (at) Dave Dunfield dunfield (dot) Firmware development services & tools: www.dunfield.com com Collector of vintage computing equipment: http://www.classiccmp.org/dunfield/index.html

15 years, 8 months

2
1
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apple documentary and huge apple collection

by brianlanning＠gmail.com

We've been watching netflix through the xbox 360 lately. They have a documentary about apple that started out good, but sort of went down hill I think. (it seemed a few years old, so you may have already seen it) But toward the end, they showed a guy with a huge apple collection. He makes all of us look like amateurs. He doesn't have a storage facility. He has a 6000sqft building. It looks like a small office building. He also had machines in his basement, attic, and in a storage shed that looks more like a 2-car detached garage. In the video I saw maybe 40 or 50 apple 2es. I like stuff like this. It give me something to point my wife at and say, "see, at least i'm not like that guy!" lol http://www.netflix.com/Movie/Welcome_to_Macintosh/70112046?strackid=7c44782… brian

15 years, 8 months

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GRI

by wdonzelli＠gmail.com

Speaking of classic test equipment... The circa-1970 GRI-99 minicomputer from GRI. What a bomb. I have to wonder how many sold, and if any are left. Was GRI an attempt by General Radio to get into the minicomputer fray? -- Will

15 years, 8 months

6
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Shipping a Tek 'scope

by technobug＠comcast.net

On Thu, 12 Nov 2009 15:35:03 -0800, Chuck Guzis wrote: > [...] > You can say that again. While I don't miss fussing with the old > storage-tube scopes, a good analog scope is still a very valuable > tool (mine is an old Tek 465). I wouldn't mind owning a 7000 series > unit with a nice palette of plugins, but I suspect those are still in > high demand and command real money. > > --Chuck On Thu, 12 Nov 2009 18:51:34 -0500, Dave McGuire wrote: > 770x scopes are relatively cheap, but a 790x in good shape will > set you back may hundreds of dollars. The good thing is that they're > practically indestructible. > [...] I've seen quite a few 770x and 79xx scopes come through my local scraper in the last few years and haven't sold. Right now, the gold value in these beasts are worth more than what people are willing to pay and almost all are hitting the scrap bin. As a house warmer I keep a 7944 around - a two beam unit that will display 8 inputs, but use a Tek 2465B when I need the speed. CRC

15 years, 8 months

3
2
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large core memory on Ventura CraigsList! item 1459663074

by shumaker＠att.net

for the listers that lust after core memory, there is one up on the Ventura CraigsList that appears to be a complete intact subsystem with all support circuitry in original housing. Described as a Litton Mass Core Memory Unit with an Ampex Core Assembly inside, poster put up several nice photos wants $450 for it steve

15 years, 8 months

1
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Shipping a Tek 'scope

by john_finigan＠yahoo.com

Tony Duell wrote: > The 555 even has regulated heater supplies. The heater > transformer is fed > through a saturable reactor. The current in the control > winding of that > comes from a pentode valve in the PSU unit, the grid > voltage of that is > controlled by a bright-emitter diode running off one of the > heater lines. > So the thing actually gets the RMS value of the heater > supplies correct > (which is what you want, of course). That's fascinating. I'd seen "passive" ballast tubes for heater regulation, but not an "active" solution like this. I found a good write-up at: http://www.radiomuseum.org/forum/2as15_how_it_works.html Especially interesting to me is the mechanical link in the diode that shorts it out when the filament burns out, pulling down the regulated voltage. I wonder if they learned the necessity of that the hard way. John Finigan

15 years, 8 months

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Walkthrough of a small datacenter 1992

by rmg＠ranma.com

Just ran across this list. I thought I'd share this with all of you. http://www.youtube.com/watch?v=am60T-p7f1E This was when I was working at NASA Ames -- NASA Science Internet (NSIPO), Building N-233. I had a Sony Hi8 I just had bought and was testing out. I'm surprised I kept this footage. Enjoy! Rob Gutierrez

15 years, 8 months

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Free: Dual Pentium Motherboard

by devonstopps＠gmail.com

I have one Asus PCI/I-P54NP4D dual processor Pentium motherboard (Socket5). Has memory and one CPU. Free plus shipping from Kingston, ON.

15 years, 8 months

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Dec HSC-70 boards available

by quapla＠xs4all.nl

For those who want it (cost of postage + $20 for the 'bribe') : I have about 20 boards from 2 HSC-70's cluster controllers and several floppies which came with them. All the boards together is about 12Kg in weight. Ed -- Certified : VCP 3.x, SCSI 3.x SCSA S10, SCNA S10

15 years, 8 months

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My odd message...

by woyciesjes＠sbcglobal.net

On Nov 6, 2009, at 2:41 PM, Dave Woyciesjes wrote: > > > > Date: Fri, 6 Nov 2009 14:48:33 -0500 From: Dave McGuire <mcguire at neurotica.com> Gezundheit. -Dave Thank you... (BTW, switched to digest for now...) Yeah, I had to go back and look to make sure I really sent a blank message like that. Must've been when I was tinkering with the new (to me) iPhone 3G.. Well, it's just an iPod Touch now, since it's not getting any cel signal; and I have no justification for paying out the nose for the data plan.... Now to figure out how to get the iPhone Mail to have different sigs for different accounts... -- --- Dave Woyciesjes --- ICQ# 905818 --- AIM - woyciesjes --- CompTIA A+ Certified IT Tech - http://certification.comptia.org/ --- HDI Certified Support Center Analyst - http://www.ThinkHDI.com/ "From there to here, From here to there, Funny things are everywhere." --- Dr. Seuss

15 years, 8 months

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JiffyDOS Forensics

by brain＠jbrain.com

Please feel free to repost on other forums, I'm trying to catch as many people as possible: As many of you are probably aware, I acquired a license to sell JiffyDOS earlier this year and am now ramping up sales. To that end, I am trying to reconstruct the exact product offerings that CMD offered. This means verifying images, and determining what original ROM images CMD supplied with each overlay. Thus, if anyone can use a DOS ROM reading utility (or EPROM reader) and can send me a copy of the both halves of the JDOS ROM, I'm still struggling with the following systems. 1571: I have three versions here, but cannot determine which is correct. The MD5s are: 41c6cc528e9515ffd0ed9b180f8467c0, 6b4d46b28b7414d5a82cea4972894600, and d649fa6b0108c20ce213f5496d5980a5. What is the version number on the ROM sticker?) 1571D: I have a 1571D JiffyDOS ROM here, but it looks to be a 1571DCR (the cost reduced version). Notes indicate a non-CR 1571D used a normal 1571 JD ROM overlay, but I'd like to verify that. MSD SD1/SD2: I am trying to determine the version of MSD code in the lower half of the U5 JiffyDOS for SD2. The MD5 is 1a2efac3b96decf83fba27bc17c5a8a7. I checked against my SD2-2.3 version here, but they are different. Also, is the SD1 JiffyDOS the same as SD2 version? Indus GT: I do not have an original JDOS for this, so I need a dump to compare. 1541C: Again, I do not own an original JDOS for this machine. I understand there is a Swedish version of JiffyDOS for the C128 and C128D (and possibly for the C64) [Update: I have been sent copies of the Swedish JiffyDOS ROMs, but I'd still be interested in what version of KERNAL was included as the "original" KERNAL for these units.] German/Finnish JiffyDOS variants? Any help folks can provide would be much appreciated. In fact, if you have an original JDOS, no matter the type and can dump it for me (both the original and the JD portions), that'd be great. Anything you can tell me about the setup - sticker legend (version number, etc.), machine variant (128, 128D, 128DCR, etc.), video standard (PAL/NTSC), and whether it had a switch on the ROM - is good information to share. To clarify, I know there are bootleg archives available, but I can't consider them authoritative. In addition, the archives would not tell me what CMD placed in the non-JD half of the EPROM on units with switches. I would prefer to check against genuine copies of the overlays if at all possible. Jim -- Jim Brain, Brain Innovations (X) brain at jbrain.com Dabbling in WWW, Embedded Systems, Old CBM computers, and Good Times! Home: http://www.jbrain.com

15 years, 8 months

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updated the Alpha Micro Phun Machine

by spectre＠floodgap.com

Having the day off, I finally uploaded some new pr0n to the Alpha Micro Phun Machine, including pictures of the AM-1000 and AM-1001 I got recently, and the AM-1041 S-100-based system that I'm hoping to restore and get operational in the not-so-distant future (hi Bob!). I also included a download for the fingerproxy, which I'm using to give arbitrary TCP socket access to older AlphaTCP installations. Maybe I'll work on Lynx for the Alpha Micro next ;-) Anyway, http://ampm.floodgap.com/ Running on a real Alpha Micro Eagle 300 since 2007! -- ------------------------------------ personal: http://www.cameronkaiser.com/ -- Cameron Kaiser * Floodgap Systems * www.floodgap.com * ckaiser at floodgap.com -- "My inner geek can beat up your inner geek." -------------------------------

15 years, 8 months

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Shipping a Tek 'scope

by john_finigan＠yahoo.com

Jules Richardson wrote: > I'm not reading here much at present, not until I > eventually get all my > collection moved, but I did just get offered a Tek 545A > which is languishing > in a garage down in Texas, so figured I'd ask about > shipping it safely. Cool! I had a similar one, a 543 IIRC, that was the only major piece of tech-junk I lost to hurricane Katrina. I still grin thinking of my complete panic when I looked at one side panel and saw a big orange glow in the tubes next to the power transformer. Got the side off and realized it was a neon filled voltage reference tube, not a glowing plate. Anyway, the things are a treasure trove of interesting tubes. I like the tiny soldered-in (baseless) HV rectifiers, tube regulated B+ system, and the electromechanical time delay "tube" that lets the thing warm up before applying HV. It's interesting to see tube design in "cost not much of an object" mode. I used to have Stan Griffiths' book "Oscilloscopes: Selecting and Restoring a Classic". I don't remember it being particularly technical, but it has tons of info on the Tek tube-era product line, and was fun to thumb through, if you're into that kind of thing. John Finigan

15 years, 8 months

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H8 system boards for sale or trade

by jgessling＠yahoo.com

I was considering parting out these boards for the chips and caps but realized that was really dumb. My ttl hobby is based on using parts in my junk boxes or parts paid for by other things in the collection. To that end I am offering these 5 boards and one manual. Three of the five boards have had the bus connector removed, some have a few chips removed. Please look here: http://picasaweb.google.com/jjgessling/ComputerStuff# Please let me know what you think, I can certainly ship. Regards, Jim

15 years, 8 months

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VT420s

by wdonzelli＠gmail.com

I am finally testing out the pile of DEC VT420s I recently came into. Here is the deal: These are in decent, but sometimes a little grungy condition. I will test them out, and make sure the video is good, the comm port is good, and the keyboard is good. I will let them sit powered on for 15 minutes as a simple burnin. I will not clean them. They will be packed very nicely. $25.00 plus S&H from 10512. These weigh roughly 20 pounds unpacked. Please reply off list. -- Will

15 years, 8 months

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test-drb November 2009