test-drb May 2016

test-drb@ccmp.vtda.org

202 participants
259 discussions

by mattislind＠gmail.com

Yet another nice DEC sales brochure from early seventies. This time DEC education MINI-RSTS-11. It mention PDP-11/21-CA! https://dl.dropboxusercontent.com/u/96935524/Datormusuem/mini-rsts.pdf

7 years, 11 months

Reviving a VAX-11/750

by mattislind＠gmail.com

The revival process of the 11/750 continues. The power supplies is working good and then I started testing the actual machine. But that was not a very smooth journey to success. I have in total at least three complete CPU board sets and just after quite a lot of board swapping it got running (I think). I had error like: * Bright red error light * No response at all on the console * %C microverify error * %O microverify error * An hexdump prompt which non like above bot still not correct. * etc Finally I had the %% which meant that it passed microverify. Then I used the (second) RDM module (the first one had RAM error) to run the DPM and MIC test which passed. The I ran the "Hardcore VAX instruction test" / TU58#7 which also passed fine. BUT the Cache / TB diag, TU58#5, give me this: %% 00000000 16 >>>B %% @?ECKAL -- VAX 11/750 Cache/TB Diagnostic 00003488 06 >>> I am running a BE-S198Q-DE tape image. Anyone has a listing or description for the ECKAL diagnostic? Is there any know incompatibilities with certain revisions of boards? Or known bugs? The machine manage to boot the console tape so I get the BOOT58> prompt. But I am not sure if that indicate that it is indeed working or not. So, some help with the Cache/TB diagnostic would be very much appreciated. /Mattis

7 years, 11 months

Ideas for running a VB4 application on modern hardware?

by mikew＠thecomputervalet.com

I can?t really tell if this is on-topic, but there?s [no|some|much] shame in trying? I have a Visual Basic 4 application that I need to run on modern 64-bit hardware I can do this in a VM, but I really need this VM to be wicked small, like under a gig. The smallest XP VM I?ve seen is 600MB (which might be good) but XP is becoming very hard to source these days. I am bummed that there doesn?t seem to be something like vDOS or DOSBOX for VB applications. Or? maybe there is? Does anyone have any suggestions on how I might go about doing this? m

7 years, 11 months

OT: Ideas for running a VB4 application on modern hardware?

by billdegnan＠gmail.com

VB4 is what, mid 90s? How about you upgrade the code? Bill Degnan twitter: billdeg vintagecomputer.net On May 1, 2016 1:29 PM, "Mike Whalen" <mikew at thecomputervalet.com> wrote: > I can?t really tell if this is on-topic, but there?s [no|some|much] shame > in trying? > > I have a Visual Basic 4 application that I need to run on modern 64-bit > hardware I can do this in a VM, but I really need this VM to be wicked > small, like under a gig. The smallest XP VM I?ve seen is 600MB (which might > be good) but XP is becoming very hard to source these days. > > I am bummed that there doesn?t seem to be something like vDOS or DOSBOX for > VB applications. Or? maybe there is? > > Does anyone have any suggestions on how I might go about doing this? > > m >

7 years, 11 months

DIMM Failures

by robert.jarratt＠ntlworld.com

To be able to use my parallel port programmer I keep an old (by modern standards) machine running with Windows XP on it. It is an Abit KV-85 motherboard for AMD processors. In recent times I have had a couple of DIMMs fail on me. I am not sure if this is just coincidence, that I have had a couple of bad DIMMs, or if the motherboard is damaging the DIMMs. It uses a cheap generic PSU, I checked the PSU for voltage and ripple and it seemed OK, I also checked voltage and ripple on some of the power pins of the working DIMM, they seemed OK too (ripple about +/- 20mV), but other than that, are there any other things I should check? Thanks Rob

7 years, 11 months

PDP-8/e sales brochure

by COURYHOUSE＠aol.com

That is spectacular! thanks for sharing it! that last picture is why you needed the E with both backplanes .... to hold all the i/o for all those devices! Ed# In a message dated 5/1/2016 11:59:54 A.M. US Mountain Standard Time, mattislind at gmail.com writes: I found a really nice PDP-8/e sales brochure while browsing through our heaps of documentation. Plenty of nice close up photos and as last picture a system with everything. https://dl.dropboxusercontent.com/u/96935524/Datormusuem/pdp8e-sales.pdf

7 years, 11 months

PowerBook Duo 280c

by BHuntsman＠mail2.cu-portland.edu

Hi! Anyone on here collect old Mac 68k gear, and happen to have a PowerBook Duo 280c in decent shape they'd be willing to part with? I'm wishing I hadn't ditched all my old Macs years ago... Thanks much as always! -Ben

7 years, 11 months

File systems expert for a news article (urgent)

by cctalk＠snarc.net

Anyone here on cctalk consider themselves a file systems expert and have the credentials or job title to vouch for it? If so, then I need to interview you ASAP today (in the next hour-ish) for a TechRepublic.com article. Contact me offline: news at snarc.net. Not going to discuss the story itself here in public.

7 years, 11 months

VCF XI pictures

by c.murray.mccullough＠gmail.com

Excellent pictures from Vintage Computer Festival XI: Wht an ENIAC? Vintage-vintage I guess! http://enews.techrepublic.com/ct/35098113:WumutjYmN:m:1:714261601:9FFAF36F5… Happy computing. Murray :)

7 years, 11 months

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test-drb May 2016