test-drb

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101090 discussions

Missing posts in archive and no Subject: line

by jnc＠mercury.lcs.mit.edu

So, a couple of posts yesterday did not show up in the date archive: http://www.classiccmp.org/pipermail/cctalk/2019-June/date.html which is how I read the list. They are: Software for Fairy YL-23 IC tester wanted http://www.classiccmp.org/pipermail/cctalk/2019-June/048094.html http://www.classiccmp.org/pipermail/cctalk/2019-June/048096.html DEC KA650 VAX memory troubleshooting (video) http://www.classiccmp.org/pipermail/cctalk/2019-June/048095.html http://www.classiccmp.org/pipermail/cctalk/2019-June/048097.html I'm not sure what happened, but I note the next post had no Subject: line, and I'm wondering if that caused it. So best to make sure your posts have Subject: lines. Noel

7 years, 1 month

Apollo Computer Article

by jnc＠mercury.lcs.mit.edu

> From: Jim Brain > Probably too light for folks in here, but maybe some will find some > interest Good high-level view of the importance of the AGC work. For those who want technical details, there's a Web-site (I can dig up the URL if anyone wants) about the recovery of the software, and running it under and emulator; and now there are people doing the hardware too (e.g. the guy Al pointed at). Noel

7 years, 1 month

DEC KA650 VAX memory troubleshooting (video)

by jnc＠mercury.lcs.mit.edu

> From: Joe Zatarski > OK, so where should a thing like this go: ... Anybody got a decent > place to upload that? As always, the CHWiki is available for any vintage computer stuff. I can set up an account for anyone here who wants one. I have posted similar information for PDP-11 memory, e.g. here: http://gunkies.org/wiki/QBUS_memories#Diagnosing_DRAM_memory_failures http://gunkies.org/wiki/MSV11-J#Technical_information which seems to be a direct analogue of the stuff you have. Noel

7 years, 1 month

irish cctech subscribers

by ronan.scaife＠dcu.ie

Dear All, I am particularly interested to make contact with Ireland-based classic computer collectors or users. My particular interest is in DEC pdp-8 and pdp11 machines. Best Wishes, -- -- ?This Email, and any files transmitted with it, are confidential, and are intended solely for use by the addressee. Any unauthorised dissemination, distribution or copying of this message and of any attachments is strictly prohibited. If you have received this email in error, please notify the sender and delete the message. Any views or opinions presented in this email are solely those of the author and cannot be relied upon as being those of Dublin City University. Email communications such as this cannot be guaranteed to be virus-free, timely, secure or error-free, and we do not accept liability for any such matters or their consequences. Please consider the environment before printing this Email.? ==== Dr. Ronan Scaife =============== ronan.scaife at dcu.ie ========== School of Elec Eng, Dublin City University, Dublin 9, IRELAND. http://www.eeng.dcu.ie/~scaifer/ phone (office): +353-1-700-5434 fax: +353-1-700-5508 ==================================================================== -- * *S?anadh R?omhphoist/Email Disclaimer* *T? an r?omhphost seo agus aon chomhad a sheoltar leis faoi r?n agus is lena ?s?id ag an seola? agus sin amh?in ?. Is f?idir tuilleadh a l?amh anseo.? <https://www4.dcu.ie/iss/seanadh-riomhphoist.shtml>* *This e-mail and any files transmitted with it are confidential and are intended solely for use by the addressee. Read more here. <https://www4.dcu.ie/iss/email-disclaimer.shtml>* * -- <https://www.facebook.com/DCU/> <https://twitter.com/DublinCityUni> <https://www.linkedin.com/company/dublin-city-university> <https://www.instagram.com/dublincityuniversity/?hl=en> <https://www.youtube.com/user/DublinCityUniversity>

7 years, 2 months

Definicon DSI-020 software?

by cmhanson＠eschatologist.net

I?ve recently come into a Definicon DSI-020 coprocessor card, and would like the software that goes with it. Does anyone know where to find it? There?s a zip file that claims to be the DSI-020 software, but it?s actually the DSI-32 software: The DSI-32 is an NS32032 coprocessor card, while the DSI-020 is an MC68020 coprocessor card. They published an awful lot of information about their cards in BYTE so the DSI-020 shouldn?t be difficult to reverse-engineer but it?d be nice not to have to? -- Chris

7 years, 2 months

looking for a Intel multibus 88/45...

by lbickley＠bickleywest.com

I'm in the process of restoring an Intel 310 system. I had it working to the point where it was trying to boot - when the 88/45 processor began to fail intermittently and then solidly. My debugging seems to indicate that the problem is in a PLA - which is a serious bummer. I have preserved the ROMS (which have built-in diagnostics/debugging and boot capability for both floppy and Winchester hard disks). I will make the ROM images available to Al for posting on bitsavers. If someone on this list has an Intel 88/45 that would be willing to part with it, please contact me off list. Either a trade or cash purchase work for me... Cheers, Lyle -- 73 NM6Y Bickley Consulting West Inc. https://bickleywest.com "Black holes are where God is dividing by zero"

7 years, 2 months

Missing posts in archive and no Subject: line

by joezatarski＠gmail.com

> So, a couple of posts yesterday did not show up in the date archive: > > http://www.classiccmp.org/pipermail/cctalk/2019-June/date.html > > which is how I read the list. They are: > > Software for Fairy YL-23 IC tester wanted > http://www.classiccmp.org/pipermail/cctalk/2019-June/048094.html > http://www.classiccmp.org/pipermail/cctalk/2019-June/048096.html > > DEC KA650 VAX memory troubleshooting (video) > http://www.classiccmp.org/pipermail/cctalk/2019-June/048095.html > http://www.classiccmp.org/pipermail/cctalk/2019-June/048097.html > > I'm not sure what happened, but I note the next post had no Subject: line, > and I'm wondering if that caused it. So best to make sure your posts have > Subject: lines. > > Noel This is a function of the way the two lists work, I think. The posts you mentioned were sent to cctech. As I understand it, that list is moderated to ensure it stays on topic. After they've been approved, they will make it onto cctalk as well. This causes a delay, and sometimes posts don't make it into the archive list until they are hours old. You'll notice these posts are now in both archives. The post with no subject had nothing to do with it, that's just a red herring. This is the behavior of the mailing list for as long as I remember, though I've only been on here a few years.

7 years, 2 months

IBM PC-RT 6150 looking for help

by technoid6502＠gmail.com

On Sat, 2019-06-15 at 12:00 -0500, cctalk-request at classiccmp.org wrote: > > The hard disk seems to be stuck or the drives electronics are broken, > it > does not spin up. As these drives are quite rare, I'm looking for the > SCSI card (Model 6lX700l). Is it right, the PC-RT can boot off SCSI? > Hi. I have a suggestion. The generation of hard disks you are having trouble with frequently had a linear actuator and were auto-parking. If the parking function failed at power off, not an uncommon fault, the drive will fail to spin on power-on. An example of this sort of drive is the Seagate ST4096. The time-honored fix for this is to take the drive loose from all connections and, holding it in both hands with the face towards you, bring the face of the drive into your thigh as you raise your thigh to meet the face of the drive. The violence of this motion will serve to park the heads and the drive will spin right up when powered. I hope this solves your problem. Best of luck. Jeff

7 years, 2 months

Modems and external dialers.

by jnc＠mercury.lcs.mit.edu

> From: Liam Proven > There was a certain simplicity and understandability about Win9x, > yes, but NT was far more reliable, even back in the NT 3 era. .. > So I moved to NT as soon as my kit could run it, and never looked > back. I was speaking from a user's perspective; I never did much coding under Windows (well, a fair amount under Cygwin, using only the portable I/O library, but that's not really _Windows_ programming). >From that perspective, 98SE was the sweet spot for me (I don't have any reliability issues, with the configs I run). I do have some XP machines, and the Windows 10 laptop, but most of mine run 98SE. Noel

7 years, 2 months

360/20 retrieval in Nuremberg (Was: No subject)

by jnc＠mercury.lcs.mit.edu

> From: Lawrence Wilkinson > Nothing to report other than what's at https://ibms360.co.uk Any partial results in trying to figure out a way to get all the stuff back from Nuremberg? You all may wind up having to rent a large truck yourselves, alas... Noel

7 years, 2 months

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