test-drb July 2004

test-drb@ccmp.vtda.org

259 participants
518 discussions

by pete＠dunnington.u-net.com

On Jul 19, 15:29, Jules Richardson wrote: > > Finally found the five minutes to see if my Dragon 64 works. It doesn't. I have a Dragon 32,. working last time I checked. If you're coming here this week, you can borrow it for comparison testing if you like. -- Pete Peter Turnbull Network Manager University of York

22 years

VCM Stuff

by marvin＠rain.org

Just a quick note to say I am still in the process of getting rid of my excess "treasures" :). They are listed on VCM at http://marketplace.vintage.org/. I'll be putting stuff on for the rest of this week at least, so it might be useful to check the site occassionally ... or frequently :). The stuff I am putting up is mostly for sale, and not for auction.

22 years

Modern Electronics (was Re: List charter mods & headcount... ;

by dwight.elvey＠amd.com

>From: "der Mouse" <mouse(a)rodents.montreal.qc.ca> > >>> Again, I'm thinking in terms of vacuum tubes, and I can't see how >>> losing the knowledge of how they worked is going to affect the >>> future, or even the present for that matter. >> I'm guessing that there is at least one piece of equipment in your >> house that relies on a vacuum tube to opperate that is not some sort >> of display device. > >Aside from legacy electronics (I have some pre-transistor-era equipment >lying around), for which transistor versions exist, I can't think of >any. The only thing I'm not sure of is the microwave oven - does the >microwave-generation-thingy depend on vacuum? Hi You see, knowledge already lost. Yes, a magnetron has a vacuum in it. It has a filament and a plate ( with cavities in it ). While the principles of these things can be found in books, much of the mechanical and physical methods used to create these things is lost. Partly because of the fact that manufactures don't tell all and partly because no one is dealing with these kinds of things. While it is claimed that the information is in books, there are some feel things that rarely seem to make it into these books. Can anyone tell me what controls the gain of a vacuum tube ( other than someone that actually worked with these )? Can anyone tell me how the grids must be placed for an electrometer preamp tube and why? While we don't need these kinds of things today, the knowledge of what makes these things work is still quite valuable. This understanding can keep us from making mistakes with other related problems. I can't say that these specific things that I've mentioned will be the most important things to remember but these are the types of tidbits that make the difference when looking into new problem areas of the future. Those that understand these things will always be in demand. Those that think they can ignore these kinds of things will wonder why things are beyond understanding. This goes for the entire range of things. You can't understand how to think about things without actually thinking about things. Dwight

22 years

Broken list reenable mechanisms

by mouse＠Rodents.Montreal.QC.CA

I'm sorry to have to bother the whole list with this. I already wrote to cctalk-owner and got no response whatever as far as I can tell; I figured I'd let myself try the list, once, in the hope someone is watching there but not at the -owner address. It seems my subscription has been "disabled due to excessive bounces". The mail saying so includes a token that I can supposedly send back to reenable things, but it doesn't work, probably because the list software (a) waited ten days after disabling before telling me anything and (b) didn't generate a newly-valid token after waiting. The last rejection (not bounce, no matter what the message thinks - I don't accept-and-bounce except under very unusual circumstances) was July 3rd (not the July 6th claimed by the message, unless later attempts came through a different host), and I got no notification until July 13th. I replied immediately and got told the token was invalid (with a note that they're good for only three days). I sent the whole mess off to cctalk-owner. Just now, a week later, I got a second notice of disablement. It included _the very same token_, despite it now being a week older. (It still doesn't work.) Today's notice of disablement and the response to my reenablement attempt are quoted below, after my signature. Does anyone know what's wrong here and whom I need to nudge to get it fixed? As I said, I've already tried cctalk-owner. (Obviously, I won't see on-list replies here; direct, or at least copy to me, would be needed for me to get it.) I can dig up copies of last week's notice and response too, if desired. /~\ The ASCII der Mouse \ / Ribbon Campaign X Against HTML mouse(a)rodents.montreal.qc.ca / \ Email! 7D C8 61 52 5D E7 2D 39 4E F1 31 3E E8 B3 27 4B ---------------- Notice of disablement > From cctalk-bounces(a)classiccmp.org Tue Jul 20 09:45:01 2004 > Return-Path: <cctalk-bounces(a)classiccmp.org> > Received: from localhost (localhost [[UNIX: localhost]]) > by Sparkle.Rodents.Montreal.QC.CA (8.8.8/8.8.8) id JAA10201 > for mouse; Tue, 20 Jul 2004 09:45:01 -0400 (EDT) > Received: from huey.classiccmp.org (huey.classiccmp.org [209.145.140.36]) by Sparkle.Rodents.Montreal.QC.CA via TCP with SMTP id "MVtBZN.GTXL.Mnd"; 20 Jul 2004 09:44:59 -0400 (EDT, 13:44:59 GMT) > Received: from huey.classiccmp.org (localhost [127.0.0.1]) > by huey.classiccmp.org (8.12.8p1/8.12.8) with ESMTP id i6KE03bY051097 > for <mouse(a)rodents.montreal.qc.ca>; Tue, 20 Jul 2004 09:00:04 -0500 (CDT) > (envelope-from cctalk-bounces(a)classiccmp.org) > MIME-Version: 1.0 > Content-Type: text/plain; charset="us-ascii" > Content-Transfer-Encoding: 7bit > From: cctalk-request(a)classiccmp.org > To: mouse(a)rodents.montreal.qc.ca > Subject: confirm 93199cd740a4a110d65b18d1aea766bc9f292eaa > Message-ID: <mailman.0.1090332000.51096.cctalk(a)classiccmp.org> > Date: Tue, 20 Jul 2004 09:00:00 -0500 > Precedence: bulk > X-BeenThere: cctalk(a)classiccmp.org > X-Mailman-Version: 2.1.4 > List-Id: "General Discussion: On-Topic and Off-Topic Posts" > <cctalk.classiccmp.org> > X-List-Administrivia: yes > Sender: cctalk-bounces(a)classiccmp.org > Errors-To: cctalk-bounces(a)classiccmp.org > > Your membership in the mailing list cctalk has been disabled due to > excessive bounces The last bounce received from you was dated > 06-Jul-2004. You will not get any more messages from this list until > you re-enable your membership. You will receive 1 more reminders like > this before your membership in the list is deleted. > > To re-enable your membership, you can simply respond to this message > (leaving the Subject: line intact), or visit the confirmation page at > > http://www.classiccmp.org/mailman/confirm/cctalk/93199cd740a4a110d65b18d1ae… > > > You can also visit your membership page at > > http://www.classiccmp.org/mailman/options/cctalk/mouse%40rodents.montreal.q… > > > On your membership page, you can change various delivery options such > as your email address and whether you get digests or not. As a > reminder, your membership password is > > ibegav > > If you have any questions or problems, you can contact the list owner > at > > cctalk-owner(a)classiccmp.org > ---------------- Reenablement failure > From cctalk-bounces(a)classiccmp.org Tue Jul 20 12:00:17 2004 > Return-Path: <cctalk-bounces(a)classiccmp.org> > Received: from localhost (localhost [[UNIX: localhost]]) > by Sparkle.Rodents.Montreal.QC.CA (8.8.8/8.8.8) id MAA10831 > for mouse; Tue, 20 Jul 2004 12:00:16 -0400 (EDT) > From: cctalk-bounces(a)classiccmp.org > Received: from huey.classiccmp.org (huey.classiccmp.org [209.145.140.36]) by Sparkle.Rodents.Montreal.QC.CA via TCP with SMTP id "MVtHQK.WpFS.NWZ"; 20 Jul 2004 12:00:15 -0400 (EDT, 16:00:15 GMT) > Received: from huey.classiccmp.org (localhost [127.0.0.1]) > by huey.classiccmp.org (8.12.8p1/8.12.8) with ESMTP id i6KGFJbY051847 > for <mouse(a)rodents.montreal.qc.ca>; Tue, 20 Jul 2004 11:15:19 -0500 (CDT) > (envelope-from cctalk-bounces(a)classiccmp.org) > Subject: The results of your email commands > To: mouse(a)rodents.montreal.qc.ca > MIME-Version: 1.0 > Content-Type: multipart/mixed; boundary="===============1480259870==" > Message-ID: <mailman.47.1090340118.134.cctalk(a)classiccmp.org> > Date: Tue, 20 Jul 2004 11:15:18 -0500 > Precedence: bulk > X-BeenThere: cctalk(a)classiccmp.org > X-Mailman-Version: 2.1.4 > List-Id: "General Discussion: On-Topic and Off-Topic Posts" > <cctalk.classiccmp.org> > X-List-Administrivia: yes > Sender: cctalk-bounces(a)classiccmp.org > Errors-To: cctalk-bounces(a)classiccmp.org > > --===============1480259870== > Content-Type: text/plain; charset="us-ascii" > MIME-Version: 1.0 > Content-Transfer-Encoding: 7bit > > The results of your email command are provided below. Attached is your > original message. > > - Results: > Invalid confirmation string. Note that confirmation strings expire > approximately 3 days after the initial subscription request. If your > confirmation has expired, please try to re-submit your original request or > message. > > - Done. > > > --===============1480259870== > Content-Type: message/rfc822 > MIME-Version: 1.0 > > Received: from Sparkle.Rodents.Montreal.QC.CA > (IDENT:3T62LyXsC2CAW00OL1WHkXx6cGXL9C1WOBnI9DZLNQ5@Sparkle.Rodents.Montreal.QC.CA > [216.46.5.7]) > by huey.classiccmp.org (8.12.8p1/8.12.8) with ESMTP id i6KGFHbY051843 > for <cctalk-request(a)classiccmp.org>; > Tue, 20 Jul 2004 11:15:17 -0500 (CDT) > (envelope-from mouse(a)Sparkle.Rodents.Montreal.QC.CA) > Received: (from mouse@localhost) > by Sparkle.Rodents.Montreal.QC.CA (8.8.8/8.8.8) id LAA10796; > Tue, 20 Jul 2004 11:58:35 -0400 (EDT) > From: der Mouse <mouse(a)Rodents.Montreal.QC.CA> > Message-Id: <200407201558.LAA10796(a)Sparkle.Rodents.Montreal.QC.CA> > Mime-Version: 1.0 > Content-Type: text/plain; charset="iso-8859-1" > Content-Transfer-Encoding: 8bit > X-Erik-Conspiracy: There is no Conspiracy - and if there were I wouldn't be > part of it anyway. > Date: Tue, 20 Jul 2004 11:58:22 -0400 (EDT) > To: cctalk-request(a)classiccmp.org > Subject: Re: confirm 93199cd740a4a110d65b18d1aea766bc9f292eaa > In-Reply-To: <mailman.0.1090332000.51096.cctalk(a)classiccmp.org> > References: <mailman.0.1090332000.51096.cctalk(a)classiccmp.org> > > > --===============1480259870==-- >

22 years

VT52s and VT61 clearance

by wacarder＠usit.net

My new classic computer room is quickly filling up and I need to clear out some space. In my quest to find a working Dec VT52, I have acquired several dead or semi-dead ones that I don't want to spend the time to troubleshoot right now. I also have a VT61 that powers up to a flashing "block style" cursor. I have not attempted to connect it to the PDP-11/34 because I do not have my 11/34 set up for a 20mA connection. If anyone would like a VT52 or the VT61, let me know. I have a minimal amount of money in these ($30 to $50 each) and would be willing to sell them for that price. I've been watching eBay for 6 months and have only seen one of these types of terminals on there. For those of you who aren't familiar with them, they were commonly used on DEC systems (PDP-8 and PDP-11) back in the mid-1970s and later. I have two or three VT52s and the VT61 that I'm wanting to get rid of. The VT61 seems to be quite uncommon. I can't find much about it on Google. It had more features than the VT52 and I think did "full screen" processing, but I'm not sure. Ashley

22 years

cctalk Digest, Vol 11, Issue 29

by mtapley＠swri.edu

At 5:45 -0500 7/16/04, Ed Sharpe wrote: >What is the foulest thing you have ever made a digitalker chip set say?! > >Thanks Ed Sharpe archivist for SMECC Can't resist. This is not really in response to your question, but at least on-topic. In the late '80s, I shared an office with 3 other grad students. One had a Mac SE/30 and was ahead of the rest of us in learning the internet. He got the serial line connection to the building Unix box run into our office, discovered how to ftp files >from internet sites, D/L over serial to the macs, decompress, etc. One night around midnight (when the rest of us were asleep), he discovered a site with a bunch of sound clips from movies, and software to substitute the clips for system beep, startup chime, etc. He went to work, and got his box all set up the way he wanted. Next morning, I came in long before he was up, and fired up his machine to do something on it. Instead of <Beeeeep!> it said "My GOD! It's full of *STARS*! <opening strains of Also Sprach Zarathustra>". Oh, verrry nice. I explored the new directory, discovering eventually clips from "Alien" among quite a few others. I *also* discovered the graphical sound-clip editor that came with the package. Hmmm. I set to work. An hour or so later, the owner of the machine walked in, a bit bleary-eyed but looking smugger than anyone I have ever seen before or since. "Hey, guys", he chirped, "I found some new software. Wait'll you see!" Sitting down at his desk, he gave us all another smug look, flipped the switch and leaned back in his chair as the disk spun up. "What?" we said, our best innocent looks plastered across our faces, "a new startup screen or something?" "You'll see..." came the response. The computer finally piped up, "My GOD! It's full of <click> *..SH1T..* <click> <opening strains of Also Sprach Zarathustra>". It turns out Sigourney Weaver's voice (as in Alien), if frequency-shifted down about half an octave, is almost a dead ringer for Keir Dullea's (as in 2001). Mr. Smug's head snapped around in the fastest double-take I've ever seen. "WHAT!" Then realization set in.. "You guys...." He cleaned up the <click>s and kept the startup sound for months, though. -- - Mark 210-522-6025, page 888-733-0967

22 years

Fw: [dragonuser] Help with Dragon *Beta* Main Board

by geoffreythomas＠onetel.net.uk

This appeared on the dragonuser site - looks like a very interesting machine. He's based in Wiltshire but does travel around a bit if anyones able to help with basic faultfinding . By the way Jules - Dragon diagrams are available from the Dragonuser group. Geoff. P.S. Had a good dig around in the front part of the loft but no Nascom yet , although I did find my two Nascom Imp Printers - chassis only , bought a long time after Nascom ceased to exist. ----- Original Message ----- From: "Richard" <richard.harding(a)virgin.net> To: <dragonuser(a)yahoogroups.com> Sent: Sunday, July 11, 2004 1:37 PM Subject: [dragonuser] Help with Dragon *Beta* Main Board Hi all, I have come into possession of a Dragon Data Beta (aka. The ?2500 business machine) prototype main board. The sad news is that appears to be dead. Is there anyone out there who could possibly help in getting this beastie back into life?? (If it ever worked) Serious reverse engineering and electronic skills required! I've had a poke about with an oscilloscope and it is clocking OK and there is life on the data buses. I have uploaded a few pics into the photos section. For those interested it appears to have the following features: ? 256 K RAM ? Twin 6809E's clocked at 1.8Mhz ? Onboard Floppy controller (3.5" Single sided drives) ? Onboard RS232 ? Optical interface ? External Keyboard (no keyboard L ) ? Unkown DIN connector - Mouse? Light Pen?? ? No built in Drag 64 mode! Only an OS-9 boot ROM (ROM dumps available). Simon Hardy is also holding (most of) a Dragon Data Alpha (aka Professional) prototype for me. More info on this in the coming months when we can actually get a power supply attached. BFN Richard www.dragondata.co.uk ------------------------ Yahoo! Groups Sponsor --------------------~--> Yahoo! Domains - Claim yours for only $14.70 http://us.click.yahoo.com/Z1wmxD/DREIAA/yQLSAA/16uqlB/TM --------------------------------------------------------------------~-> Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/dragonuser/ <*> To unsubscribe from this group, send an email to: dragonuser-unsubscribe(a)yahoogroups.com <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/

22 years

Thurlby LA160 Logic analyser

by johnbscot＠btconnect.com

Lee, were you able to get a manual for the la160? I require a copy as well. can you help? Best wishes John

22 years

Early timesharing/BBS systems

by rcini＠optonline.net

Hello, all: I was at VCFe yesterday and I have to say that the speakers and demonstrations were great. Sellam did a fantastic job and where the event was located at the Sun facilities worked out perfectly. One demo that I missed was the ARPANET dial-up simulation which wasn't there when I left at 3:30. Anyway, this demo brings-up an interesting question. What kind of dial-up systems existed in the 70's before consumer-oriented services like CompuServe? I remember the DowJones and CompuServe sign-up packs at RadioShack in maybe 1979 (I joined CIS in 1988. I even remember my ID: 70153,3367). I also remember in high school (around 1983) using a DECwriter to dial into the timesharing computer (at 300 baud; I don't know the host system) at one of the local universities. Just curious. Thanks. Rich Rich Cini Collector of classic computers Build Master for the Altair32 Emulation Project Web site: http://highgate.comm.sfu.ca/~rcini/classiccmp/ /************************************************************/

22 years

VCF and lisp machines

by aek＠spies.com

He's a former Symbolics employee, and has a MacIvory at home, plus some mutual friends of ours used to have a pair of CADR's in their basement. == Could you ask if they have any load bands on tape?

22 years

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test-drb July 2004