test-drb September 2004

test-drb@ccmp.vtda.org

268 participants
648 discussions

by JMeyer101＠aol.com

Looking for some advice on this deal. I found an Intellec 8 with instruction manual, Cassette Tape Unit (Mesonix Automation LTD - model # is listed as "Fitted DCR-3 Tape Unit"), Stand Alone Tape Reader/Transmitter (Addmaster 606)and a Desktop Punch Station (Litton - Sweda International, Inc Roytron 528 Punch). Seller is quoting two prices, one as-is and the other is "Cleaned and Working" (there is a $1500 difference between the two. I think I'll take my chances and clean it myself...). I already own an Intellec 4 and thought the 8 would be a nice addition. Not sure what a reasonable price for the whole lot would be. Any comments? Thanks, Jeff

20 years, 3 months

looking for NeXTstep

by yoda＠isr.ist.utl.pt

Hello. I rescued a NeXTcube from going to the garbage. However, the hard disk seems dead. Does anyone have a NeXTstep instalation software around? Cheers, Rodrigo Ventura -- *** Rodrigo Martins de Matos Ventura <yoda(a)isr.ist.utl.pt> *** Web page: http://www.isr.ist.utl.pt/~yoda *** Teaching Assistant and PhD Student at ISR: *** Instituto de Sistemas e Robotica, Polo de Lisboa *** Instituto Superior Tecnico, Lisboa, PORTUGAL *** PGP fingerprint = 0119 AD13 9EEE 264A 3F10 31D3 89B3 C6C4 60C6 4585

20 years, 3 months

DECmate III vs VT103 for size? was Re: Real PDP11 model question

by Innfogra＠aol.com

The terminal for the Decmate III is the VR201 although they can use the color VR241 with the optional color card. The keyboard is the LK201 Gold Key word processing keyboard. The DECmate III is a small box about 12" wide by 11" deep and about 5 1/2" high. The VR201 is one of the smallest mono monitors I have ever seen, comparable to the Zenith 9 inchers. I have had both the VT103 and a Decmate III and would definitely believe the Decmate III, keyboard and mono monitor is smaller than a VT103 and keyboard. Now if you include the color monitor...but then the VT103 was not color either. A quick google search for "DECmate III" brought up http://www.old-computers.com/museum/computer.asp?st=1&c=468 which has a picture of the outfit. Hmm, in production from 1984 to 1990. There were both Z80 and 8088 option cards for CPM and MS-DOS? I have seen the CPM options, although more common in the DECmate II but never the 8088 card. Monochrome WPS Word Processing worked very well and was easy to run on the RX50's 400K floppys. I am sure that is why it survived for so long. Does anyone know of an Ethernet interface for one of these? Paxton Astoria, OR

20 years, 3 months

LGP-21 photos, including memory

by tomj＠wps.com

Sloooowly I get stuff up on the website... http://wps.com/projects/LGP-21/Documentation/Photos/index.html This URL is in the index, but I've added some photos. If you scroll down there's some photos of the memory, heads, platter, scratches, the caplugs, etc. (After careful dust removal, I keep a lint-free washed towel over the top of the memory assembly. No sense inviting more dust in there.)

20 years, 3 months

Poly 8813/8810 emulator

by dwight.elvey＠amd.com

Hi Bob Bybee has place his Polymorphic emulator on his web page. He was an editor for the PolyNews. The emulator runs on a PC in DOS mode. Most current machines can emulate the original faster than the original. He originally wrote the emulator for people migrating from the Polymorphic machines to PC's but wanted to keep the software that they were previously using on the Poly's. Many had ledger programs and Poly's BASIC was one of the better implementations. Anyway, it is all good fun: http://bybeeweb.com/pm.htm Enjoy Dwight PS Any specific questions about the commands, you can either ask him or me. He is much more expert than I am but I do have a working knowledge.

20 years, 3 months

Don Maslin

by dwight.elvey＠amd.com

Hi Although, I never actually asked Don for copies of an OS, I have sent a couple of things to him. I do hope that his family realizes how important saving this old software was to him and takes appropriate action to keep that information >from being lost. I'd never met him but we have had several email conversations. I feel like I did just lose a friend. In fact, I did just lose a friend. Dwight

20 years, 3 months

BBC printer port (ever used for anything else?)

by ard＠p850ug1.demon.co.uk

Still tinkering with that Acorn Cambridge.... Firstly some background... As Beeb owners will know, the BBC micro had 5 header plugs on the front edge of the main PCB, which were accessible under the machine. They were : Floppy Disk (34 pin, standard Shugart pinout) Printer (26 pin. This is one port of a 6522, buffered, and used to connector a Centronics printer) USer port (20 pin, the other port of that 6522) 1MHz Bus (34 pin. This is a system bus, 8 address lines, 8 data lines, R/W, Phi2 clock, address decoder outputs, etc) Tube (40 pin. Also a system bus, used for the second processors) On the Camdbridge, the floppy and Tube ports are not brought out. There's a floppy drive built-in, and the Tube links to the 32016 second processor board. The other 3 connectoes are linked to connectors on the rear panel -- DB25 for the user port, DC37 for the 1MHz bus (yes it's used internally for the SCSI controller too), 24 pin Blue Ribbon for the printer port. Now, one of the things I need to do is make up addapters from those connector back to header plugs so I can connect normal Beeb add-ons to the Cambridge. At leat for the User port and 1MHz bus. If the printer port was only ever used to link to printers, then I can make a cable from the 24 pin Blue Ribbon to a 36 pin Blue Ribbon (to fit a Centronics printer socket). But if someone used the printer port for something else (say as a set of outputs to control something, since it's buffered the data lines are output-only), I suppose I'd better make an adapter back to a 26 pin header. So has anyone ever heard of the Beeb printer port being used for something other than a parallel printer? -tony

20 years, 3 months

RAREST COMPUTERS....

by LAAG＠PACBELL.NET

ANY THOUGHTS ON HOW RARE THE COMPUTER AUTOMATION MINI COMPUTERS MIGHT BE NOW??? SOMEONE TOLD ME OF A GUY UP IN THE SEATTLE AREA WITH SOME TOO...

20 years, 3 months

ISDN useless relic? Token Ring unkillable

by msokolov＠ivan.Harhan.ORG

Mike Ford <mikeford(a)socal.rr.com> wrote: > Sitting on my desk I have a totally neat Harmonix Hi-Card P8, a PCI card > that I think can talk to 4 primary ISDN lines [...] Did you say ISDN *Primary* Rate Interface (PRI), the big expensive one that carries 23 (in North America) or 30 (in Europe) B channels, NOT the 2B+D Basic Rate Interface (BRI)? So it's basically a channelised T1/E1 card, right? Do you know if it can do E1 or just T1? If it can do E1, my friend Stacy Minkin in Uzbekistan was looking for a PCI channelised E1 card and probably still is. It isn't ISDN, though, just a channelised E1. He wants to connect an E1 line from their old municipal telephone switch (classic traditional telephony, pre-ISDN, pre-other modern innovations) to an Asterisk Linux-based VoIP gateway. MS

20 years, 3 months

smc HDC9224

by emu＠ecubics.com

Anybody out here has a datasheet for it ? (disk controller)

20 years, 3 months

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test-drb September 2004