test-drb

test-drb@ccmp.vtda.org

101090 discussions

by djenner＠earthlink.net

I have a 1990 or so Sharp ZQ-5200 organizer up for grabs. It has 64KB memory. Includes manual and original box. No batteries. It was working last time it had batteries. Cost is shipping. If you are interested, email me. Thanks, Dave -- David C. Jenner djenner(a)earthlink.net

23 years, 1 month

Apple IIgs

by teoz＠neo.rr.com

Anybody happen to have disk images of GS/OS before 6.0? I wanted something to tinker around with on my IIgs with 1mb ram expansion. I have no software for it at the moment.

23 years, 1 month

Did anyone on this list get this IBM system ?

by jrkeys＠concentric.net

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=3405290468

23 years, 1 month

ICL OPD/Merlin Tonto

by adrian.vickers＠blue-edged.com

On 10 March 2003 10:20 am, Witchy wrote: > The only way of doing data transfer > from machine to > machine is serially, and remember the serial port on the OPD is for a > printer only so is uni-directional. Actually, I may be able to transfer via floppy disk, as I have an OPD disk interface (How cool is that? I even have the manuals!) - it plugs into the ROM pack. The one unknown at this time is what format the floppy is written in; but since it at least takes the same drives as the QL, it should be possible to read one way or another. Unlike Commodore's damn GCR format. Cheers, Ade.

23 years, 1 month

Manual "Practical Microprocessors" wanted

by glenslick＠hotmail.com

I have an HP 5036A (actually two now) and was able to pick up one copy of the manual for $15 plus shipping on eBay last December. I haven't noticed any other copies go by on eBay since then, but I haven't looked too often. The 5036A kits show up frequently in the $20+ range, but almost always without the manaul. Since I only have the one copy I don't want to part with it now, but I could probably at least type in the ROM listing from the manual sometime if you don't have a copy of that. A quick Google search didn't turn up a copy of the ROM listing online anywhere. -Glen >I'm looking for a manual that goes with a HP 5036A Microprocessor Lab (8085 >trainer in a briefcase). The manual is "Practical Microprocessors" and was >published by HP some years ago. I am not looking for a museum piece, just a >manual to use with the Lab. > >I am also interested in accessories and information about the 5036A. > >If anyone has such a manual to sell or trade, please contact me off list. > >Thanks, >Stuart Johnson _________________________________________________________________ The new MSN 8: advanced junk mail protection and 2 months FREE* http://join.msn.com/?page=features/junkmail

23 years, 1 month

DUP Problem with RT-11

by mbg＠TheWorld.com

>I have been attempting for some to to write ALL 65536 blocks >from one RT-11 partition to a second RT-11 partition. Does >anyone know of what is wrong with what I am doing? I am >using V5.03 of RT-11 under the Supnik emulator and I do the >command: As you know, some devices supported by RT are variable-sized, like DL, DM and DU. In order for RT to know the size of a volume on these devices, the handlers have to support the special function 373, which gets the volume size. In most cases, this is not a problem since the volume sizes don't approach the 16-bit limit of 65535. But for DU volumes, this size can be exceeded. And since you cannot return a volume size of 65536 as it would require 17 bits, the maximum size returned is pegged at 65535, with one block specifically designated as unused (but reachable using other special function calls in the DU handler). The reason for the one unused block is so that the calculations for start of a partition are simple (since it is a truncation by discarding the low-order 16 bits of block number). Now, since the DU handler reports 65535 as the largest size, the directory structure is established such that the blocks which are accessible are 0 through 65534 (a total of 65535 blocks). It would be a kludge and a hack (a bad one) to play games in the driver to make it report 0 and have it mean 65536 even if a reported size of zero makes no sense (actually, a reported size of less than 9 makes no sense since that is the MINIMUM number of blocks required on an RT volume to be able to store a minimum of one block of data). It would also mean changing DUP and any other program which uses VARSZ$. Personally, I would suggest that time is better spent with other things in RT... just live with one block not directly accessible per 65536, or write your own programs (without mucking with the OS itself) to get at the final block... I would say it is a case of truly diminished returns. Megan Gentry Former RT-11 Developer +--------------------------------+-------------------------------------+ | Megan Gentry, EMT/B, PP-ASEL | email: mbg at world.std.com | | | | | "this space | (s/ at /@/) | | unavoidably left blank" | URL: http://world.std.com/~mbg/ | | | "pdp-11 programmer - some assembler | | (DEC '77-'98) | required." - mbg KB1FCA | +--------------------------------+-------------------------------------+

23 years, 1 month

Synertek 6507

by dwightk.elvey＠amd.com

>From: "Jim Kearney" <jim(a)jkearney.com> > >>From: "Dwight K. Elvey" <dwightk.elvey(a)amd.com> >> I'm looking for a data sheet for the Synertek 6507. >> This is not the same as the reduced pin 6502's of the >> same number by other manufactures. This is a video control >> chip. If anyone has an old Synertek book with the >> programming information for one of these I'd like >> to get a photo copy?? > >According to my 1983 Synertek book, the SY6507 _is_ a 28-pin 65xx CPU with >8K addressing. The only video controllers they list are the SY6545, SY6845, >SY66450 and SY66550. > Hi Jim This is what Eric Smith tells me as well. As I told him, it doesn't make much sense. The board has a 6502 as well as the 6507 with the data lines tied together. I guess they could use opposite phases or something. I was tracing down the sync signals for the video and they seem to be coming from this part?? I do have a schematic someplace but I haven't located it yet. Now I have a mystery to solve? Dwight

23 years, 1 month

Collecting silicon wafers

by davol＠globalnet.co.uk

> On Wed, 12 Mar 2003, Sridhar wrote: > > An extremely new wafer can be valuable just by the ability to reverse > newfangled engineering. > > Peace... Sridhar Can't see this myself. Yes. I know it's theoretically possible (just) Modern chips are to all intents and purposes three dimensional objects. The real logic lies, out of sight below several layers of metal conductor. It's just this, incidentally, that makes them of limited interest to a collector. (There's not much to see on the surface anymore) So OK, you could probe them with X-rays or something like that or try etching away the layers with acids. My own view is that this is just about as impossible a task as one can possibly imagine. After you've done all of this you'd have to reverse your way back to the masks (which, these days, are quite distinct from the geometries they produce on silicon. AND THEN you have to have a fabrication available to you that is capable of putting the whole thing back together again. Much easier just to steal the design database. The forward engineering is quite difficult enough. It's my own belief that reverse engineering is - practically speaking - intractable. If this really is so appealing to sinister governments etc. why not just reverse engineer the chip they bought legitimately, by mail order. > On Tue, 11 Mar 2003, Chandra Bajpai wrote: > > > Before anyone goes in trying to cash in their wafers...I assume any > > wafer that was not kept in a clean room environment is worthless. The > > couple of wafers I have finger prints so they definitely are worthless! I'd respectfully suggest that the concept of value is not quite as straightforward as you suggest, Chandra. How much would your two wafers be worth if I were willing to buy them off you? Postage stamps are just about as 'worthless' as anyone could imagine, yet I'm regularly sent catalogues offering stamps at prices that amount to more than my annual salary.

23 years, 1 month

Collecting silicon wafers

by brian＠quarterbyte.com

> > My interest is in collecting whole, undiced silicon wafers. These > > are much more accessible for research and the interest does not > > conflict with those of other people. They're almost always available at the Foothill College Ham Radio Swap Meet for about a buck a 6" wafer, see e.g. http://www.qsl.net/kf6foz/page1.htm Brian

23 years, 1 month

FS Items

by pat＠purdueriots.com

A few more items I've got to offer to the list. I can take Paypal or Check/Money Order for payment. Everything below is $10 + shipping, with discounts for buying multiple items. + 3Com SuperStack HUB 10: 24port 10BaseT Hub, rackmountable. I've got a lot of these available to me. + Panasonic LaserDisc player + Apple Macintosh Plus 1MB - have keyboard and monitor + Sun SparcStation 5, 85MHz, CG6, 32-64MB ram, 2GB HDD + Tatung CompStation LC - A pizzabox Sun Sparcstation LC clone - CG6, have to check how much memory I have available, probably 4GB HDD I might be adding on to this list later. I'm in West Lafayette, IN. Pat -- Purdue Universtiy ITAP/RCS Information Technology at Purdue Research Computing and Storage http://www-rcd.cc.purdue.edu

23 years, 1 month

New Toys: Friden 1160 & Hyperion & HPL, BASIC ROMs & Tek goodies, MORE!

by rigdonj＠cfl.rr.com

It's been BUSY around here the last couple of days. Significant new finds include: HPL ROM for the HP 9000 200 series computers. I've heard that HP made these and I've been looking for one for five or six years and was beginning to wonder if they really ever made any. But finally found one in an old HP 9826. This adds ROM based HPL lanuage (as in HP 9825) to any HP 9000 200 computer. Also found two more BASIC ROMs for the same machines. One is version 4 BASIC and it includes all the BIN files in the ROM. The other is version 2 BASIC. It doesn't include the BIN files but only takes 20k of RAM to run. I already had a V 2.1 BASIC ROM. Went out to a scrap metal place this morning and found a Hyperion computer. Not sure what model but it has a CRT on the LH side and two 5 1/4" floppy drives on the RH side. The keyboard slides in underneath the CPU. Anybody have boot disks for this one? At the same place I also found a Friden 1160 calculator. Funky looking little beast with a ROUND CRT in it! Anyone have some SPECIFIC suggestions about what to check for before powering it up? Also found a Tektronic TM 500 mainframe with a PG 506 Calibration Generator and a TG 501 Time Mark Generator in it. WaHoo! Been wanting some of this stuff but couldn't justify the cost of it. Other stuff: a Stag 39M200 Microprocessor programming module that will work in my Stag Programmer. (anybody have docs for the 39M200??? I have docs for the 39M100 and the programmer). Also found LOTS of HP 9000 series 200 and 300 computer parts, cards, and disk drives and a pile of Amiga computer cards. Also found three Atalla Multibus cards that appear to be some kind of developement system/programmer for Intel MCS-51s. Anybody know any more about these? Also found a complete Intel 310 computer but my car was FULL so I had to leave it for another time. Even after I came home stuff was still showing up. A friend of mine brought me a Heathkit ET-3400 that he found a garage sale. Joe

23 years, 1 month

cctech digest, Vol 1 #417 - 55 msgs

by peter＠stormlash.net

> From: "Chandra Bajpai" <cbajpai(a)attbi.com> > To: <cctalk(a)classiccmp.org> > Subject: RE: collecting silicon wafers > Date: Wed, 12 Mar 2003 08:02:08 -0500 > Reply-To: cctech(a)classiccmp.org > > I got to ask this...what's a wafer mask...what's it look like? > > -Chandra It is the layout used to produce designs on a silicon wafer. They are usually square, and made of quartz (to minimize UV dispersal), with a coating of etched chromium on one side. When photoresist has been deposited on a wafer, the wafer is loaded into a mask aligner. This allows the mask to be aligned with existing patterns on the wafer before being exposed to UV light. Once the exposure is complete, the wafer is developed, and a pattern of hardened photoresist is left behind. This is then used to control deposition areas in later steps of the process. -Peter -- Peter Sahlstrom __ __ ( ) ____ _____ CMOS Process Technician / \ / \ _ / __ \ / ___/ GT Microelectronics Research Center / /\ \/ /\ \ | | / _ _/ / /__ peter(a)stormlash.net /_/ \__/ \_\ |_| /_/ \_\ \___/

23 years, 1 month

Synertek 6507

by dwightk.elvey＠amd.com

>From: "Hans Franke" <Hans.Franke(a)mch20.sbs.de> > >> >According to my 1983 Synertek book, the SY6507 _is_ a 28-pin 65xx CPU with >> >8K addressing. The only video controllers they list are the SY6545, SY6845, >> >SY66450 and SY66550. > >> Hi Jim >> This is what Eric Smith tells me as well. As I told >> him, it doesn't make much sense. The board has a 6502 >> as well as the 6507 with the data lines tied together. >> I guess they could use opposite phases or something. >> I was tracing down the sync signals for the video >> and they seem to be coming from this part?? > >Now it would be interesting where they go. Maybe the >6507 CPU get's an interupt every line, or screen ? > >> Now I have a mystery to solve? > >That's all what classic computing or computing in >general is about. Hi Hans Both Eric and Jim were right. It is a 6507 uP. I looked some more at the board and did some tracing. I'll have to admit, I'd never have thought of it. There is an address mux going to the code ROM. The clock input are in fact 180 degrees out of phase ( Q and Q\ of a JK-flop ). The sync signals come from the high order address bits as well. The code for making a sync signal is just to do a load >from the higher address. Now, I have to get the code out of the ROM so I can see exactly how it was done. It would seem that the 6507 just runs a loop that makes the needed strobes and the 6502 does the keyboard scan and RS-232. Very clever! It makes one think how simple things could be today using several PIC chips to do relatively complex task and replace expensive dedicated chips. Dwight

23 years, 1 month

Need ASR-33 tape reader and punch covers

by c.morris＠townsqr.com

I need the little spring-loaded plastic cover on the ASR-33 tape reader that holds the paper tape in position over the sprocket and contacts. The whole thing is missing (the cover, spring and latch). Also my tape punch is missing the rectangular cover with the four clear plastic pushbuttons. If anyone has spare parts to sell, please contact me offlist at: charlesmorris at direcway dot com. thanks Charles

23 years, 1 month

OT: Software Documentation

by msell＠ontimesupport.com

Guys, I work for a small consulting company that creates software for distribution. We're a low volume operation, and don't have many employees. I've been trying to rein in the whole development process to streamline it over the last couple of years, and now I need to streamline the methods by which we create documentation for our products. I'd love to know what systems people on this list use for creating software documentation (manuals, etc.), and I'd love to hear any recommendations for systems that allow for concurrent access (kinda like CVS), change approval, revision control, etc, etc. Are there any good open-source solutions available? I've been searching and gathering information, and I'd really appreciate hearing the experiences of others on this list. Thanks! - Matt Matthew Sell Programmer On Time Support, Inc. www.ontimesupport.com (281) 296-6066 Join the Metrology Software discussion group METLIST! http://www.ontimesupport.com/subscribe_t&c.html. "One World, One Web, One Program" - Microsoft Promotional Ad "Ein Volk, Ein Reich, Ein Fuhrer" - Adolf Hitler Many thanks for this tagline to a fellow RGVAC'er...

23 years, 1 month

ICL OPD/Merlin Tonto

by adrian.vickers＠blue-edged.com

On 10 March at 10:10am, Witchy wrote: [Dialling] > I've been told they do tone dialling too, based on the unsupported DIP > switches in the telephony module. Haven't tried it though; > all of my OPDs > are downstairs in boxes. The DIP switches aren't unsupported, they're actually documented... [Voice answering] > I'm sure it can respond to different numbers with different > messages though, Not different numbers, Caller ID simply didn't exist (probably anywhere in the world) in 1986. I think (not tried this) that it can respond with a different message on each line, and it can change messages depending on the time of day - but not day of week... > also it *can* say good morning, as well as things like 'I'm It definitely can't say "good morning", as "good" isn't in the vocabulary :) > away getting > head with my secretary on holiday' :) There was a competition Hehe - I must try that. > on radio not > so long back (Chris Moyles or Scrawn&Lard on Radio1 IIRC) where people > actually recorded their OPDs saying rude things, so I just > *had* to have a > go myself....hehe..... Erm, "not so long ago"? Sort of like 1987, maybe? [Testing the telephony module] > Be easier if I tested it up here first. Just got to dig out > the low-res > monitor from its hiding place....the hi-res one is too high up and > underneath too much other stuff for me to easily get! Humph. I just knew I wasn't going to get a free module that easily ;) What's this about a hi-res monitor? I assume you mean a larger one than the 9" B&W which seems to be the norm for these machines? Is it colour? I'd like to get a pin-out of the monitor/power connector - I'm not sure if it's in any of the manuals I've got. > I don't recall either of mine being any slower than the QL, though it's a > few months since I last played with one. I just wish I had some > documentation for 'em. I can scan mine in if you like. I don't believe I'm doing anything on Sunday yet...

23 years, 1 month

collecting silicon wafers

by dwightk.elvey＠amd.com

>From: "Vintage Computer Festival" <vcf(a)siconic.com> > >On Tue, 11 Mar 2003, Dave Wilson wrote: >> My only anxiety is that the general interest in collecting >> silicon may take off in a big way before I have managed to build >> up a workable stock. > >Indeed. Just try to keep a "Silicon Wafers" category from being created >on eBay for as long as possible and you'll be in the clear for a while :) > Hi Even wafer collecting can have monetary value. A while back, at the beginning of the last Middle East action, there was a military requirement for mil spec TTL parts. I don't recall which but I believe it was 74139's that were in short supply. Anyone with a wafer of these could just about name their price. The fact is that most companies consider the wafers as proprietary information. They would rather destroy it or send it back to the foundry to be recycled. Wafers that do make it to the outside world are usually from some company that has shut down and had a warehouse of overstocks. Dwight

23 years, 1 month

Dave & Chip Collecting

by gmphillips＠earthlink.net

Dave, Several members of this list who do not agree with the views of a certain obnoxious self appointed "spokeman" for vintage computer enthusiasts forwarded me your post. I decided to take a break from busting up vintage computers with a sledge hammer to "mine" the chips out of them to reply;). Many chip collectors also collect whole undiced silicon wafers. There are a growing number of chip collecting forums where you can buy and trade wafers with other collectors. If you are interested, send me an email and I send you some links. You may also want to consider looking into chip collecting. It's a great way to keep old chips out of the smelter.

23 years, 1 month

Mark-8 Minicomputer Kit on E-bay

by kenziem＠sympatico.ca

Mark-8 Minicomputer Kit/Early Hobbyist First http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=177&item=3404840450&… Can I claim dibs?

23 years, 1 month

Mark-8 Minicomputer Kit on E-bay

by glenslick＠hotmail.com

That item went for $880.00. Seems like a lot to spend. >I contacted Stephen last night to see what he was up to. As it turns >out, the kit on eBay is one of his that the buyer probably gave up on or >never had time for. _________________________________________________________________ Add photos to your e-mail with MSN 8. Get 2 months FREE*. http://join.msn.com/?page=features/featuredemail

23 years, 1 month

Synertek 6507

by dwightk.elvey＠amd.com

>From: "Jim Kearney" <jim(a)jkearney.com> > >> This is what Eric Smith tells me as well. As I told >> him, it doesn't make much sense. The board has a 6502 >> as well as the 6507 with the data lines tied together. >> I guess they could use opposite phases or something. >> I was tracing down the sync signals for the video >> and they seem to be coming from this part?? >> I do have a schematic someplace but I haven't located >> it yet. >> Now I have a mystery to solve? > >Possibly it's a variation of the Lancaster TVT (Cheap Video) design? > >What is it? > Hi Again, just what Eric said. It is for a KTM-2. This is Synertek's keyboard/video board. Dwight

23 years, 1 month

collecting silicon wafers

by dwightk.elvey＠amd.com

Hi These are usually made on a glass plate. They look like a larger version of only one of the dies of a wafer. Some are actual size but most are done with steppers now days. The glass has a thin metal coat on one side ( mirror looking ). I think they use chromium but I don't recall. You can see that layer's detail by holding it up to the light. The metal has been remove in places. It is kind of like a negative and used the same way. The ones for things like uP's of today, include a set of about 30 or 40 for different parts of the processing. A full set of these cost about 0.5 M$ to make. Dwight >From: "Chandra Bajpai" <cbajpai(a)attbi.com> > >I got to ask this...what's a wafer mask...what's it look like? > >-Chandra > > >-----Original Message----- >From: cctalk-admin(a)classiccmp.org [mailto:cctalk-admin@classiccmp.org] >On Behalf Of Hans Franke >Sent: Wednesday, March 12, 2003 6:22 AM >To: cctalk(a)classiccmp.org >Subject: RE: collecting silicon wafers > >> 1. Stamps are printed in vast numbers >> 2. They are used and, in most cases, eventually destroyed >> 3. They are difficult to forge (convincingly) >> 4. Most are virtually worthless >> 5. A few a almost priceless >> 6. Many are beautiful >> 7. They have an inherent research interest - printing varieties, >> flaws, rarities, historical interest etc. >> 8. They are (usually) considered most valuable unused and even >> more valuable in an unbroken sheet. > >> [...] > >The whole idea of wafer collecting got something to it, although >I think the stamp reference is a bit far fetched. > >Gruss >H. > >BTW: I realy love wafer masks ... they are just a bit hard to find. >So if one of y'all (sp?) got some laying around ... > >-- >VCF Europa 4.0 am 03./04. Mai 2003 in Muenchen >http://www.vcfe.org/

23 years, 1 month

Can one make their own chips?

by Innfogra＠aol.com

> you can't make a 8008 chip from scratch In the discussion of wafers it made me wonder if one could lay down their own design in Silicon. or duplicate an early design like the 8008 (lets not get into a discussion of copyrights). Does anyone collect FAB equipment? A small clean room would not be hard to set up. At one time I saw a 3 inch mask aligner go for $25. I bought the 4 inch Mask Aligner for $150. There is so much old FAB Equipment around it seems one should be able to set up a home lab. Does anyone know of one in existence? Paxton Astoria, OR

23 years, 1 month

Mark-8 Minicomputer Kit on E-bay

by jim＠jkearney.com

>From: "Jim Kearney" <jim(a)jkearney.com> > there's One True Source. When I built mine (from Steve Gabaly's boards), I > was > able to find most of the TTL parts in 70's vintage. So how 'new' is it? p.s. but that's not to say that I wouldn't be clear about its construction if I put it up for sale, of course. That would be definitely be misrepresentation, even by omission.

23 years, 1 month

RSTS/E CSR Access in MACRO

by cmcnabb＠4mcnabb.net

I've been attempting to do some macro programming of the DEQNA Ethernet card under RSTS/E. All of the system calls to actually send/receive packetes seem to be very well documented and fairly easy to use. What I can't find in any of the manuals (or on the net) is a system call that will return the card's MAC address. I know that the MAC address is the first six bytes of the CSR. However, I'm not sure how to go about accessing the device's CSR from within RSTS/E. Ideally, I'd use a subroutine that would return any network card's MAC given its type (XH or XE) and unit number. I know that I can't be the first person to have ever tried to do this, so I'm turning to those who should know - you guys. Any help would be greatly appreciated. -- Christopher L McNabb Operating Systems Analyst Email: cmcnabb(a)4mcnabb.net Virginia Tech ICBM: 37.1356N 80.4272N GMRS: WPSR255 ARS: N2UX Grid Sq: EM97SD

23 years, 1 month

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test-drb