test-drb February 2014

test-drb@ccmp.vtda.org

191 participants
208 discussions

by cctech＠beyondthepale.ie

> >>> I for one am glad that the 98 topic came up whether it is on or off >>> topic. >> >> I for one am NOT glad the 98 topic came up. It is off topic for >> this list, and is generating far too much off topic activity. >> >> >> Mike Loewen mloewen at cpumagic.scol.pa.us >> Old Technology http://sturgeon.css.psu.edu/~mloewen/Oldtech/ >> >Seems like a lot of people are interested. > It doesn't seem that way to me. I have seen very little support expressed for making the subject of windows and commodity PCs on-topic. > >I just delete stuff I am not interested in from my email box. > That doesn't work for me. It seems to me that it doesn't work for most people but it can take a while before some come to this conclusion. The method I use is to sign up to mailing lists that discuss topics I am interested in and not to try to change them to discuss something the existing subscribers didn't previously discuss. Regards, Peter Coghlan.

10 years, 6 months

SYKES Floppy Diskette

by michael.99.thompson＠gmail.com

I just bought a PDP-8e that has been sitting in a warehouse for a long time. It came with a SYKES Datatronics diskette subsystem, but without the Omnibus interface board. The I/O board in the SYKES card cage says "8-bit interface". The diskette drives are made by Orbis. Does anyone have information about this SYKES diskette subsystem or the Orbis diskette drives? Some pictures here: http://www.ricomputermuseum.org/Home/equipment/dec-pdp-8e -- Michael Thompson

10 years, 6 months

OS/8 SerialDisk Server Documentation

by kylevowen＠gmail.com

Greetings, I have updated the SerialDisk documentation tonight. I created a fairly descriptive how-to guide on how to set up a new SerialDisk system. For the inexperienced with OS/8, it provides some information on running programs like EDIT, PAL8, and BUILD. For the OS/8 gurus, it shows some basic syntax of the SerialDisk server and related utilities. There should be a little something for everyone in there. If someone has an Omnibus machine and an aux TTY card and wants to try it out, I'd be curious to see how accurate my documentation really is. A big thanks to David Gesswein for trying out my early attempts at the server, Vince Slyngstad for creating a handler that will work well for the earlier -8s, and Philipp Hachtmann for making some needed modifications to my coding style. :) The changes will be getting pushed in as soon as I have time to patch them in and test them. Eventually, I'll have simh working with the server by means of telnet, but this is to come as I have more time. https://github.com/drovak/os8diskserver Kyle P.S. I forgot if I mentioned: I found out that it wasn't my server that was acting up with BASIC halting at 10206; it was the disk image I was using. It works fine on the current release using diagpack2.rk05. I've not had a single bug with the handler/server that can't be explained by user error since the latest changes. :)

10 years, 6 months

Easiest way to get MAINDEC diags onto a PDP-8 (sans paper tape)

by rick＠rickmurphy.net

At 04:46 PM 2/13/2014, Marc Howard wrote: >However (going from memory here) if I try: > >.RUN SYS BUILD >$IN TC08 > >I get a message like (I think) > >FILE NOT FOUND > >I've tried all kinds of variations on this and I can't seem to install the >TC08 handler. > >Could you tell me what I'm missing/doing wrong? The diagpack2.rk05 image >has TC08.SY and TC08.HN; isn't that what I need? The convention on that pack is that a .SY file is a system handler and a .HN file is a nonsystem handler. You should be able to use $ IN TC08.HN Before you do this, use SET SYS NO INIT before you run BUILD since the init command causes build to be overwritten in memory! -rICK

10 years, 6 months

ASR 33 Baud and Rate

by ball.of.john＠gmail.com

>Didn't we do this a couple of weeks ago? :-) I think we did Tony but my memory is so bad it drifted off into nowhere-land. I should really start writing these things down. :@) Anyways, right, so I forgot it's Mark parity and not even parity. That and an unlelated problem with a rogue decoupling cap was making me scratch my head for the last week. Hayes Smartmodem could send and receive on every other terminal I owned. Why the heck would it only receive on the teletype?? :\ -John

10 years, 6 months

Sigma serial card cable for LSI-11

by tiggerlasv＠aim.com

> An acquaintance of mine is looking to hook up his Heath/Zenith LSI-11 system to his H/Z-29 terminal. > The system has the Sigma Information Systems 400200 interface card. > I found him a copy of the manual but before attempting to build his own cable he was wondering > if an existing cable might be found for RS-232 operation with this card. > Any ideas on a source for something like that? If they are 10-pin headers, then they should be pin-compatible with any of the DEC serial headers and cables. A real DEC DLV11-J uses the CK-DLV11-J cabinet kit, which should work adequately if you can find one. You could also use the (CPU) cabinet kit for a MicroVAX or PDP-11. The MicroVAX version looks like this - http://www.mcmanis.com/chuck/computers/vaxen/images/ba23.gif These days, it would probably be more cost-effective to roll your own cable, particularly if you're only going to be connecting one device to the system. T

10 years, 6 months

cctalk Digest, Vol 126, Issue 18

by FRED＠miser.misernet.net

>From: IN%"cctalk at classiccmp.org" 10-FEB-2014 12:01:59.95 >To: IN%"cctalk at classiccmp.org" >CC: >Subj: cctalk Digest, Vol 126, Issue 18 >From: Kurt K <kurtk7 at visi.com> >To: "General Discussion: On-Topic Posts Only" <cctech at classiccmp.org> >Subject: Re: contemporary XT software? >Who is downloading currently? Have you tested access by trying to download? >It sounded like everyone here was cut off. Somewhere saved is no good unless >that location is eventually discovered. Does anyone know of other mirrors? I believe I have the whole thing (or at least the VetusWare directory). It's rather large. Think more than 1GB+ Options? Torrent? I have an (what I think is) unlimited hosting account but I'm not sure how they'd take to getting crushed or racking up 500GB of transfer. Fred

10 years, 6 months

LA12 correspondent

by simski＠dds.nl

Hi, as my first post here I would like to ask a question about a DEC correspondent terminal with a broken power supply. due to a shorted capacitor in the output stage, a whole train of parts has failed, including some diodes, a coil and the main switching transistor in TO-3 case. that is the part with a strange partnumber: A8250 151278200 I suspect that the 8250 is a manufacturing date and the long number a internal DEC number, but what sould be put in its place. i was thinking about just using a irf840 mosfet, but i have no idea as if this would work. any thoughts (or maybe some schematic?) -- Met vriendelijke Groet, Simon Claessen drukknop.nl

10 years, 6 months

windows 98

by elson＠pico-systems.com

On Wed, Feb 12, 2014 at 11:51:10AM -0600, Jon Elson wrote: [...] >> I don't think VMware will run Win95 or Win98. If that is wrong, I'd sure like >> to know, as I could pack up an ancient system I still keep around for >> archival reasons. > Works for me: > > http://abuse.mooli.org.uk/win95.png > > The installer goes like a rocket on a SSD and 2.4GHz CPU! > Very, interesting. What version of VMware are you using? I tried this some time ago, and it said "Windows 95 is not a supported OS". Jon

10 years, 6 months

AlphaCPU files & software

by woyciesjes＠sbcglobal.net

I've got about 2.5GB uncompressed of various drivers & software I've collected. Bits for Multia, AXPpci-33, Alpine Alpha motherboard, DEC3000-400, Win2K for Alpha, EB64+, Diskkeeper, VAX 3100-M38, V62X(?). Who can/wants to have a copy of this? I've attached a directory output for your curiosity. -- --- Dave Woyciesjes --- ICQ# 905818 --- CompTIA A+ Certified IT Tech - http://certification.comptia.org/ --- HDI Certified Support Center Analyst - http://www.ThinkHDI.com/ Registered Linux user number 464583 "Computers have lots of memory but no imagination." "The problem with troubleshooting is that trouble shoots back." - from some guy on the internet.

10 years, 6 months

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test-drb February 2014