test-drb June 2015

test-drb@ccmp.vtda.org

165 participants
285 discussions

by jnc＠mercury.lcs.mit.edu

> From: Pontus Pihlgren >> Seeing the one with the one with the missing toggle switches reminds >> me that I have an enquiry out re getting some made. > I believe many would appreciate that. We probably ought to standardize our terminology to be slightly less confusing. As we've determined, the actual switch is a slide switch, not a toggle. I'm not sure what the official DEC name is for the plastic lever which actuates the slide switch - anyone know? Noel PS: If a way is developed to make the plastic levers, the 11/20 uses the exact same part, just in PDP-11 colours.

9 years, 6 months

Front Panel Tech Note 2

by rodsmallwood52＠btinternet.com

Asof now I know of two variations 1, Selector switch positions 1 and 6 lines can be vertical or at an angle to the vertical 2, Vertical divider between groups of three lamps Anybody seen an 8/e panel with anything else? Rod

9 years, 6 months

Intel MDS-740 hard disk documentation wanted

by spacewar＠gmail.com

Does anyone have documentation for the Intel MDS-740 hard disk system for use with the MDS and Series II, Series III development systems? The drive had one fixed and one removable platter, the removable being a 12-sector 5440-style cartridge. The drive may have been a CDC 9427H, or something similar. The controller was two Multibus boards, a 3000 bit-slice based channel board, and a drive interface board. (Similar organization to the two-board floppy controllers.) I am mostly looking for the schematics and programming information, though if anyone has an actual controller board (or even just the channel board), a dump of the microcode would be useful. The documentation I'm looking for might or might not be contained in the "Model 740 Hard Disk Subsystem Operation and Checkout" manual, order number 9800943A. Note that this is *entirely* different than the iMDX 750 winchester disk subsystem. The 740 was supported by plain ISIS-II 4.x, while the iMDS 750 used a variant of the iSBC 215 controller, and required a special ISIS-II(W). Thanks! Eric

9 years, 6 months

Any DOS Gamers out there??

by slandon110＠gmail.com

Hey guys? Is there anyone that uses DOS and early Win9x Machines?? Ive got about 4 of them that could use a home.. Ive wiped them all and put FreeDOS on them. Ive got a number of early PCI and ISA VGA Cards and network cards as well Are these worth saving?? Steve

9 years, 6 months

Opening up a TeleVideo TPC-1

by isking＠uw.edu

Hi folks, I was in an antique store today, mostly to humor my wife, and much to her dismay spotted a fairly early luggable: it said TeleVideo on the face and, looking closer, it was a TPC-1 with the keyboard, the carrying bag, the documentation AND a metric butt-ton of floppies. Once I get everything sorted I'll let the list know what software I have, so if you need something maybe I can help.... ...and maybe you can help me. I want to open up the TPC and check power supplies, etc. - OK, I'll come clean. I plugged it in, watched carefully for magic smoke and, seeing none, put a 'working disk' in the drive. I got an endless string of '.' but no boot. I tried a couple of other disks labeled <boot> and, after a couple, I no longer had a display. So no surprise, I really need to open it up and probably replace a bunch of PS capacitors. I have no idea how to get this box open! There's nothing in the documentation, and I found one online reference that suggested TeleVideo kept this information close to the chest because they didn't want any Tom, Dick or Ian opening up their machines. Now if I poke and prod long enough I'll probably get there, but with the collective knowledge on this list I figure there has to be SOME one who worked on these back In The Day, who just knows this off the top of his/her head. So... anyone? Thanks -- Ian -- Ian S. King, MSIS, MSCS, Ph.D. Candidate The Information School <http://ischool.uw.edu> Archivist, Voices From the Rwanda Tribunal <http://tribunalvoices.org> Value Sensitive Design Research Lab <http://vsdesign.org> University of Washington There is an old Vulcan saying: "Only Nixon could go to China."

9 years, 6 months

SS10 console settings

by tmfdmike＠gmail.com

Folks, I'm trying to resurrect a couple of Sparcstation 10 systems. Is there anything 'funny' about the serial console settings on SS10 hardware? I thought they always defaulted to 9600-n-8-1, but I get voluminous gobbledygook at that, and at every other baud rate I've tried. Both systems behave identically, so I can't assume SS10 settings are wrong. And I *am* getting data, so I don't see how it can be the cabling. Something strange about the terminal emulation mode required maybe? Thanks Mike http://www.corestore.org 'No greater love hath a man than he lay down his life for his brother. Not for millions, not for glory, not for fame. For one person, in the dark, where no one will ever know or see.'

9 years, 6 months

Need help: Reading 800 bpi NRZI 9 track tapes

by jlw＠jlw.com

I have an HP 88780 with the 800 option (confirmed empirically...) I'm in the silicon valley neighborhood. -- Jeff Woolsey jlw at jlw.com

9 years, 6 months

DEC VT180 on Grand Rapids Michigan Craigslist

by slandon110＠gmail.com

Just thought id share this with you guys.. I dont know if the price is fair or not, But if someone wants it and needs pick up arranged I can do it, Im about an hour from there. Just cover my gas.. I can bring it out to VCFMW http://grandrapids.craigslist.org/sys/5074135858.html Thanks Steve

9 years, 6 months

Kaypro II

by BHuntsman＠mail2.cu-portland.edu

Anyone interested in a Kaypro II in decent shape, complete with a couple of keyboard overlays? for trade or for sale... thanks! -Ben

9 years, 6 months

First VAX-11/730 VMS Boot! (was: Re: VAX-11/730 %BOOT-F-Unexpected Machine Check)

by cctalk＠beyondthepale.ie

> > Thanks! I'll look up all of those commands to understand them better. > > ^Y looks familiar. I think this is the second time I have learned about it. :) > > > > On Jun 13, 2015, at 18:40, Jerry Weiss <jsw at ieee.org> wrote: > > > > If you are running backup and it is asking for additional tapes, then I believe you can do the following > > > > ^Y > > $spawn > > $ > > $reply/enable=all > > > Another way is to log on a second time using a terminal other than the console, issue reply/enable and then reply to the messages you receive there. Yet another way is to use BACKUP /NOASSIST - this should avoid issueing OPCOM messages and prompt the issuer of the BACKUP command directly when tapes are to be changed and so on. The standard way of doing backups on VMS is to submit a BACKUP command in a batch job. The operator would normally be logged in interactively and would respond to the OPCOM messages from the batch job and deal with tape mounts. This requires a suitable batch queue to be set up and started. Regards, Peter Coghlan.

9 years, 6 months

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test-drb June 2015