test-drb August 2002

test-drb@ccmp.vtda.org

232 participants
452 discussions

by donm＠cts.com

On Wed, 21 Aug 2002, Vintage Computer Festival wrote: > > > > It's probably a re-badged SyQuest drive that can do 44 and 88 MB > > > carthridges. I have a lot of media for these so let me know if you want a > > > couple to play around with it. I am a tad embarrassed! Unaccountably for me, I asked the question before I pulled the cover. As many of you surmised it is a rebadged Syquest SQ3105 SCSI unit. Sigh :( - don

22 years

Troubles copying RT-11 tapes on VT103 (continued)

by mbg＠TheWorld.com

>i) COPY/SYS DDO: DD1: This needs to be followed by the COPY/BOOT DD1:RT11FB.SYS DD1: and then it should be bootable. As for initializing the output tape (DD1) first, yes... that is advisable: INIT/NOQ DD1: However, I'm concerned by the INPUT and OUTPUT errors. The OUTPUT error while doing the COPY/BOOT indicates that block 0 or 2-5 are bad on the output tape. These are the blocks which would receive the boot code. The INPUT error from DD0 indicates that they have a bad bootable tape... if it is the only copy they have, then they really have a problem. When the system is booting, it should be possible to interrupt the startup command file by simply ^Cing as soon as you see the RT11FB V04.00 bootup banner. Megan Gentry Former RT-11 Developer +--------------------------------+-------------------------------------+ | Megan Gentry, EMT/B, PP-ASEL | email: gentry at zk3.dec.com (work) | | Unix Support Engineering Group | mbg at world.std.com (home) | | Hewlett Packard | (s/ at /@/) | | 110 Spitbrook Rd. ZK03-2/T43 | URL: http://world.std.com/~mbg/ | | Nashua, NH 03062 | "pdp-11 programmer - some assembler | | (603) 884 1055 (DEC '77-'98) | required." - mbg KB1FCA | +--------------------------------+-------------------------------------+

22 years

PowerUser external SCSI HD

by mythtech＠mac.com

>Rodime had a deservedly bad name, but in the interest of fairness, my >Mac Plus has a Rodime 20MB drive connected to it which has run 100% for >a very long time. I happen to have a pair of Rodime 20 Plus external drives, and a Rodime 40 external. All three were bought used from Computer <mumble mumble> (can't remember the name, some Computer place that was a big Apple dealer in the 80's and went out of business). They had a yearly warehouse clearance sale, where all their stores sent unsold or used/returned items, and they sold them to the public cheap. I think I paid $200 for the 20's and $300 for the 40, this is when the Mac SE had just moved to the FDHD, so they weren't that bad of prices (I think they were about 50% off the normal price) All three still work to this day (um... ok, maybe one of the 20 megs is dead, not sure, but I am using one of the 20's right this very minute in the next room, and the 40, last I knew was operational... since I can't vouch for the where abouts of the other 20, it might be dead). -chris <http://www.mythtech.net>

22 years

Documentation for DEC T-11 evaluation board?

by dittman＠dittman.net

> I just received a DEC T-11 evaluation board (part number DCT11-EM) I bought > on eBay. Does anyone have any documentation on this? Compaq Assisted > Services still lists the User's Manual for $142, but when I made an > internal inquiry, I found it had been obsoleted and was no longer > available. :-( I'd like to find the schematics for the DCT11-EM board (or even better, a board based on the J-11). -- Eric Dittman dittman(a)dittman.net Check out the DEC Enthusiasts Club at http://www.dittman.net/

22 years

IBM 3295 Plazma Display

by mross666＠hotmail.com

From: "Will Jennings" <xds_sigma7(a)hotmail.com> To: cctalk(a)classiccmp.org Subject: Re: IBM 3295 Plazma Display Date: Mon, 19 Aug 2002 18:07:05 -0600 Reply-To: cctech(a)classiccmp.org >To the best of my knowledge, 3290s are meant to talk to 3274s.. But I > >think it depends on the exact model... I hope mine are for 3274s, I wanna > >use 'em on the 4381 3174 is just a considerably updated 3274 with more possibilities in the software. They're functionally identical, for the most part. As, so you're the brave one with the 4381 in the basement? Mike http://www.corestore.org _________________________________________________________________ Join the world’s largest e-mail service with MSN Hotmail. http://www.hotmail.com

22 years

Troubles copying RT-11 tapes on VT103 (continued)

by celigne＠celigne.freeserve.co.uk

I passed along Megan's suggested COPY command to the company who are trying to copy their one and only tape on a VT103. I have just received the following response. Any further suggestions would be appreciated. Out of curiousity, I asked what the machine was and whether they had any pictures. They have kindly passed along a scan of the original brochure, which I'll put online shortly. The VT103 is controlling a CNC milling machine for cams. It was made by a Swiss company called Macor SA, back in 1983. I'm not surprised they're worried about the longevity of the tape! --quote-- As for the copying of the tape no success as of yet, I tried the following: i) COPY/SYS DDO: DD1: I tried this twice the first time the following messages appeared :- FILES COPIED: ?MON-F-SWAP ERROR I then tried to boot the system using using the new copy and it said: ?BOOT-F-NO BOOT ON VOLUME The second time I tried the message was: PIP-F-DIRECTORY INPUT ERROR DD0: ii) COPY/BOOT RT11FB.SYS DD1: This caused the following: ?DUP-F-OUTPUT ERROR DD1: I don't know if this will mean anything to you but the following messages are what is shown on the screen when the system is booting up, I thought it might shed some light on the situation: RT-11FB V04.00 .SET TT: SCOPE .SET TT: WIDTH=120 .SET USR NOSWAP .RUN ID The last command loads up the program that's all I know, because on the tape there are two programs ID and IDT when we want to swap between them we press CTRL C then the message ?MON-F-SWAP ERROR appears and then we enter RUN ID or RUN IDT One thought I did have, do I need to format or erase the blank tape before copying on to it? --end quote-- - Paul

22 years

Scans of HP3421 quick reference available

by carlos_murillo＠epm.net.co

I have finally gotten around to scanning pages 79-97 of the HP3421 user's guide. These pages contain the compact programming reference guide. They are not pretty (darn HP (Un)Intelligent scanning software!), but the info should be useful. They can be downloaded at http://nazas.autonoma.edu.co/hp3421/ Regards, carlos. -------------------------------------------------------------- Carlos E. Murillo-Sanchez carlos_murillo(a)nospammers.ieee.org

22 years

COSMAC VIP documentation (was Re: Need help finding old IBM PC game)

by pete＠dunnington.u-net.com

On Aug 20, 7:50, Sellam Ismail wrote: > On Tue, 20 Aug 2002, Pete Turnbull wrote: > > mpg123 tells me that Galaxians.mp3 is MPEG 2.0 layer III, 16 kbit/s, 22050 > > Hz mono, it's 520kB long, and "plays" for 1 min 25 secs, including the > > header. > > Isn't that just a linear recording? I don't think so, an equivalent duration WAV (uncompressed) or AIFF file would be 10-15MB (maybe 6-8MB for mono). -- Pete Peter Turnbull Network Manager University of York

22 years

HP gear

by carlos_murillo＠epm.net.co

At 01:44 PM 8/20/02 -0500, you wrote: >I've just come across an HP 9000/300 and 9000/220 in a dumpster over here >at University Salvage. I see that the 300 has a 68010 (first one I've >owned), but am not sure about the 220. Both have video and 'keyboard' >connections. > >I've found some 300 info using google, but nothing helpful on the 220. You probably have an hp9000/310 . I typed a little about them when I auctioned off all of mine: http://nazas.autonoma.edu.co/hp310.html http://nazas.autonoma.edu.co/hp310orange.html You need an HP-HIL keyboard and a monitor such as this for it: http://nazas.autonoma.edu.co/hp35731a.jpg In addition, you need an HPIB HD with the HPBASIC OS. These machines are OK for instrument control, although I find that my viper card (essentially the same system in an ISA card, which you can then use from DOS) is far more useful. The 9000/220 is the little sister of this one (9000/236C): http://nazas.autonoma.edu.co/hp9836c.html The monitors for these are very hard to come by, so a 220 without a monitor is hardly useful. The one above, with monitor, went for about $200 on ebay back in 2000. How much memory does it have? I think that 220 memory could work in early hp300 models (236 memory certainly worked). The 200 series machines are interesting if you have the software. >Also, are these worth anything? I've got no drives with them, but I did >get a bunch of lab I/O boxes (multimeter, and other things) with them. These could be interesting. Can you describe them? -------------------------------------------------------------- Carlos E. Murillo-Sanchez carlos_murillo(a)nospammers.ieee.org

22 years

Here's something that I haven't heard of before ....

by rigdonj＠cfl.rr.com

IMSAI SYSTEM 8048 Control Computer. Anyone know anything about these? It's on E-bay at <http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=2047601196> Joe

22 years

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test-drb August 2002