test-drb March 2005

test-drb@ccmp.vtda.org

291 participants
840 discussions

by julesrichardsonuk＠yahoo.co.uk

Anyone know anything about Chorus Systemes and what they were up to circa 1990? I'm just unravelling a lot of old internal Acorn code/documentation and the name's cropping up quite a bit... (I do recall using a distributed system called Chorus in the early 90's, but I have no idea if that's at all related...) ta Jules

19 years, 9 months

minor list changes

by pete＠dunnington.u-net.com

On Mar 7 2005, 10:35, Jules Richardson wrote: > Oh to have a BT phone line (rather than an NTL one) so that I could > change ISPs! (all ADSL vendors in the UK make it a condition of service > that you have to rent a BT phone line before you can use their offering) > </rant> Don't some of the companies that do LLU (local loop unbundling) do it even for a non-BT line? -- Pete Peter Turnbull Network Manager University of York

19 years, 9 months

picking locks

by pete＠dunnington.u-net.com

On Mar 7 2005, 10:27, Jules Richardson wrote: > On Sun, 2005-03-06 at 18:43 -0500, Paul Koning wrote: > > In the case of DEC, there are only two locks that I know of. One is > > an ACE (tubular key) lock; the other is a 3 or 4 pin flat key lock. > > They have always been keyed alike since the beginning of time. > > I've yet to find anyone who can make (or even duplicate from original) a > tubular key though. (Which is annoying as it'd be nice to have a backup > for the steering wheel lock on my car! :) One of the "while you wait" places in York can do tubulars, but only when the boss is around as they claim it's trickier to get the depths exactly right. They cut a DEC key for me and it wasn't right so they re-made it. One of the better ironmongers near here can do various keys, including, I think, tubulars. They've cut bike D-lock keys, Mul-T-Lock security keys and various other odd ones for me. -- Pete Peter Turnbull Network Manager University of York

19 years, 9 months

The ettiquete of Windows 98 on an HP Oscilloscope (was Re: The ettiquette of Windows XP on a centerpunch)

by pete＠dunnington.u-net.com

On Mar 7 2005, 10:48, Jules Richardson wrote: > On Sun, 2005-03-06 at 20:06 -0500, Ethan Dicks wrote: > > Unfortunately, there has been this trend lately for multi-channel > > digital O-scopes to be Windows-based. > > To me that implies that the company behind such beasts have no clue what > they're doing, given that alternatives exist that are far more robust > and don't have licensing requirements that push the cost up. Well, I won't claim that this refutes the above, but I know that some Tek products have used W95/W98 for many years. One of the grooups in CompSci rented a fancy digital scope/analyser some years ago ((1998-ish) and discovered it was running W95 underneath. -- Pete Peter Turnbull Network Manager University of York

19 years, 9 months

Canon Cat -- what's it really like?

by dwight.elvey＠amd.com

>From: "Cameron Kaiser" <spectre at floodgap.com> > >> I'd love to get some information on the memory and I/O >> mapping. It expects to use particular printers so it would >> be nice to rewrite the driver to work well with my 3SI. > >I wonder if anyone has tried to write an emulator. The Cat is getting a >lot more attention after Raskin's passing. > >How easily could the Cat run arbitrary applications? Or was it an >editor, always an editor, all the time (with goodies), the Forth mode >notwithstanding? > Hi Even in the Forth mode, it was still an editor. It is a little hard to describe from this sense. You could pick stuff with the select and then you execute it. It would be hard to create a software only emulator. The physical keyboard was as important as the software on this machine. Talking with Jeff, he said that several efforts have been made to get the keyboards on PC to work but there are just too many variations on how the keyboards are handled. It was left too much up to the builder of the machines. You really need low level access to key strokes and the layout is wrong as well. Dwight

19 years, 9 months

IBM S/390 mainframe on epay

by waisun.chia＠gmail.com

Anybody has extra electrical power and nowhere to burn it? Or anybody trying to upgrade their central heating system? Get it now! ;-) http://tinyurl.com/6yqbv /wai-sun

19 years, 9 months

minor list changes

by jwest＠classiccmp.org

I changed two things on the list setup tonight. 1) To subscribe to the list (new subscribers, not you guys), requires not only a confirmation email, but also list owner approval. I'm having way to much trouble with "people?" joining the list and all their email immediately bouncing. It gums up the speedy delivery for everyone else. 2) I changed the max time in queue for any message (outbound) to 35 minutes. This means the server will try to send email to you once, then again 30 minutes later, and then it will just give up on you. It won't unsubscribe you at that point, it takes like 7 days of bounces to get you unsubbed. But it won't try to send you any given list post more than twice now. Same reason as above. For those sendmail inclined.... I considered setting up a secondary queue for slow delivery where any emails that take longer than X time get moved to a low priority queue. Quite frankly, I don't want to deal with it. I'd just get more complaints about posts being out of order ;) Jay

19 years, 9 months

Canon Cat -- what's it really like?

by elf＠ucsd.edu

VCF wrote: >>> http://www.siconic.com/computers/Swyft%20Apple%20IIe.jpg >>> http://www.siconic.com/computers/Swyft%20Card.jpg Ethan wrote: >> Pretty slick... any idea what the LM311 and the PAL >> do? Copy protection? VCF wrote: > I have no idea, and the man best suited to answer the > question is gone now ;( I'm sure some documentation > still remains. Bruce Damer of the DigiBarn might > actually have some relevant stuff. And least of all, > I'm pretty certain all of Jef's notes and such will be > preserved. Perhaps this fellow could provide some insight as well: http://www.regnirps.com/resume.htm Scroll down about half-way to the end of the page to read about his time & involvement with Information Appliance, Inc. Bonus: there's a way-cool photo of a Swyft prototype (in a plexi-glass shell, no less) for the Canon Cat on this web page.

19 years, 9 months

11/45 progress

by pete＠dunnington.u-net.com

On Mar 3 2005, 0:12, Jay West wrote: > I'll have to figure out what address my console card is. The console on all PDP-11s is at the same place, 777560-777566 (add "17" in front for a 22-bit system, though). The first word is the receive control and status register (CSR), the next is the receive buffer register, then the transmit CSR, and lastly the transmit buffer register. So if you have a terminal connected, and with baud rate, parity, and word size to match the M7800 settings, simply DEPositing a value into 777566 should cause the corresponding ASCII character to appear on your terminal. If you type a character on the terminal, it should appear in the lowest 8 bits of 777562. > However, if I have a unibus problem, isn't the M7800 which is in an > SPC slot still going across the unibus? Yes. But trying it will tell you if the problem is in the CPU drivers or the memory buffers, for example. -- Pete Peter Turnbull Network Manager University of York

19 years, 9 months

8' drive on PC troubleshooting

by dave04a＠dunfield.com

All the discussion on stacking two PC supplies and cutting grounds to try and keep them isolated seems like asking for trouble.... I've had good results using a PC-AT supply, and a little homebuilt linear (and nicely transformer isolated) 12v supply stacked on it's output to power an 8" drive. (The 12v supply is actually built on the outside of the cover of the AT supply). Regards, Dave -- dave04a (at) Dave Dunfield dunfield (dot) Firmware development services & tools: www.dunfield.com com Collector of vintage computing equipment: http://www.parse.com/~ddunfield/museum/index.html

19 years, 9 months

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test-drb March 2005