test-drb September 2009

test-drb@ccmp.vtda.org

163 participants
196 discussions

by onlineuser＠mac.com

Dan, I know this is really old... but do you still have these? I have the following guides available, if there is any interest: 6025000 "Guide to Operations" 6025005 "Technical Reference"

14 years, 8 months

unisys b38 modular computer, info needed

by g-wright＠att.net

I have 2 of these and lack power supplies (large external ones) and video/keyboard interface. These have a DB25 that says Video but not much else. other than a few serial ports. I have no idea if they have CTOS on them or what OS . need at least the power supply bricks. Any experts out there. Thanks, Jerry

14 years, 8 months

dg/ux filesystem paper

by john_finigan＠yahoo.com

I recently saw an old academic paper out of Clemson that had this bibliography entry: M. H. Kelley. A look at the DG/UX file system. Technical Report 3, Data General Corporation, 1990 Anybody have any pointers on getting a copy? I've seen no trace of it on the web, and actually very little DG/UX info in general (even some man pages would be interesting), but the ancient marketing stuff I have seen makes me suspect they had one of the earliest journalling FSs in UNIX, and I'd love to know if that was really true. John Finigan

14 years, 8 months

You just can't buy these anymore

by IanK＠vulcan.com

One of the few items damaged in the shipping of our PDP7 from University of Oregon was a handful of the front panel switches. The switches themselves are a standard telephone switch and are still available! But the long, tapered bat handles were unobtainium. So, one of our folks with above-average mechanical aptitude *made* some for us: http://www.youtube.com/watch?v=0hUEPfgKJwY Pretty cool, huh? UNIX is user friendly. It's just selective about who its friends are. Ian S. King, Sr. Vintage Systems Engineer Living Computer Museum A project of Vulcan, Inc. http://www.livingcomputermuseum.com

14 years, 8 months

Front panel switches (WAS: You just can't buy these anymore)

by dm561＠torfree.net

Speaking of front panels, I've always wondered: In my days with Burroughs systems, the operator consoles that had "front panels" and many of their maintenance panels used illuminated momentary push buttons that toggled on/off; that always struck me as more intuitive (not to mention faster to set up) than separate lights and switches. Granted it would require extra logic to latch the states, but was that kind of front panel ever used on any of the micros and minis that we discuss here? mike

14 years, 8 months

SunBlade 2000 vs SunBlade 2500 vs Ultra 45

by rescue＠hawkmountain.net

Might be pushing 'classic' a bit.... as the 'oldest' of these three is only 7 years old.... so... if these aren't 'classic' enough yet... please forgive me :-) So.... which one is best in your opinion ? The 2000 takes UltraSparc III, 8MB cache (at 200mhz bus), the 2500 and U45 use UltraSparc IIIi, 1MB cache on chip (but how are the cycles to it ?) Beyond that, memory tech differs... 2000 takes ?, the 2500 takes ECC DDR266, and the U45 ECC DDR333. The 2000 and 2500 do SCSI, while the U45 does SAS/SATA. But beyond that, how is reliability, how is USIII vs USIIIi performance ? The 2000 will do vertical UPA, right ? (I have some C3D cards from U60) The 2500 looks like fastest slot is 64 bit 66mhz 3.3V PCI (so what Sun GFX cards go in there?). And the U45 has PCI-X and PCIe x16. (I assume graphics there is usually via the PCIe x16, right ? Looking for 'best' desktop Sparc.... assume it would be one of these three, no ? Thanks, -- Curt

14 years, 8 months

MMD-2 Docs

by brian.bergantz＠verigy.com

Hi Neil, I have some mmd-2 doc's do you still need them? CDC short microprocessor course text reference and lab which uses the MMD-2. MMD-2 Tutorial Users guide MMD-Exec C source listing As I just e_mailed you for MMD-1 data, IT looks like our paths need to cross... Brian Bergantz, bergantz95118 at yahoo.com

14 years, 8 months

Vintage Intel Computer - Intellec MDS questions

by seanm＠cae.com.au

Hi Joe, I came across this page and this comment from 2005: http://archive.netbsd.se/?ml=cctech&a=2005-01&t=640496 "Actually I have a pile of iSBC 215 HD controller's but they're configured for the 86/330 systems and I don't have the proper PALs and jumper settings for them for use in the MDS systems." I found your e-mail addresses elsewhere. I sent this e-mail to both the addresses hoping that one will still be active after four years. I was wondering if any of the cards are serviceable and would already be suitable as HD controllers for an INTEL 86/330 system. If so, might you be willing to sell any? The details for the controller of interest are: Description: Winchester Disk Controller. Part Number: iSBC 215B Host: Intel 86/330 with RMX86 operating system. Cheers, Sean McHugh

14 years, 8 months

Omrom programmable terminal

by tponsford＠rnsmte.com

I picked up a Omrom programmable terminal. Picked up is the operative word as the thing weights around 70 pounds! It appears to work in spite of a disjointed space bar (fixed) and the model number is 8030. There is a rotary knob on the back that sets the baudrate (up to a whopping 4800 baud) and what appears to be 4 rs-232 ports, one parallel port and a coax port labeled TV ?? Anyone ever use these? is there a manual/pdf out there. A google search does not appear to bring any good results. It does have a cool NASA/DOD sticker on it! Cheers Tom P.

14 years, 8 months

Datasheet for National DP8490 ...

by bernd＠kopriva.de

Hi, i got a request from someone who wants to emulate a DB8490 in a FPGA ... ... this will be used for a homebrew NS3532 system, that will somehow emulate a pc532 (to get NetBSD up and running ...). Unfortunately, i don't have my National data book currently at hand (it's somewhere hidden under some piles :)), on bitsavers, i didn't find it too and google wasn't me friend too ... Does anyone have an online copy available ? Thanks a lot Bernd

14 years, 8 months

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test-drb September 2009