test-drb April 2001

test-drb@ccmp.vtda.org

251 participants
669 discussions

by JRichardson＠softwright.co.uk

a couple of questions: does anyone have a spare 16MHz 68k CPU (or a source in the UK who may sell them - Maplins don't). There must be lots somewhere gathering dust since everyone moved to the later 68k family chips (all I have spare are the stock 8MHz versions). Lots of non-home-computer stuff seems to use them (phone exchanges, network equipment, video processing boxes etc.). also, does anyone know of anything that used 68450 chips? (they're 4-channel DMA controllers for the 68k apparently). I found a couple of these amongst the piles of junk I have and am curious as to where I might have got them - I can't think of anything I've ever stripped for parts which may have used them! :-) cheers Jules

25 years

New Acquisitions

by jss＠ou.edu

Well, all, I'm happy to report a few additions to my small collection. (1) DEC LA120 (DECwriter III). I bought this on eBay for a steal a few weeks back. It looks to be in decent condition. The shipper packed it very well, but neglected to wrap the LA120 in something before adding the paper-strip packing material. Thus, the thing is filled with paper strips, and I've still not taken the time to disassemble the LA120 to vaccuum/pick them all out. (2) DEC VT102. There was (and maybe still is) a lady selling what is probably a whole room of VT10xs on eBay, at the rate of one unit every week or so. I contacted her directly and asked if she had any units for which I could make a direct offer. She did, and I bought one. It was handled very poorly by UPS, as the top part of the case came off and now won't go completely back on and the case had several pieces chip off. It's not as pretty as it could be, but it *is* functional, so I'm satisfied with the purchase. In other news, I found some LA36 ribbons, LA120 ribbons, a box of teletype paper, 1981 PDP-11/04/24/34a/44/70 processor handbook, and a 1973 PDP-8/e/m/f small computer handbook, all for great prices on eBay. -- Jeffrey S. Sharp jss(a)ou.edu

25 years

Sears SR/2000 (Nakajima AR-30) information ?

by SUPRDAVE＠aol.com

In a message dated 01-04-27 23:26:23 EDT, you write: << My wife wants to sell this printer in a yard sale, but the collector in me is telling me to hide the printer in a safe place. Does anybody have an owners manual for this thing? I'd like to know what the 8 dip switches control. I'm willing to bet that they have the same functions as whatever printer Nakajima licensed the design from (Epson FX?) I know that it emulates an Epson of some sort, because I used it on a PCjr a long time ago. It has a Centronics parallel interface, and some sort of weirdo serial interface (Commodore?). According to Nakajima, it might work using Epson FX or IBM Proprinter III drivers. The printer is interesting to me because I've never seen another one, and Nakajimi is not a household name for printers here in the US. ;-) >> I wouldnt call it collectible, really. I have the SR3000 and it's a epson fx80 compatibile i think. It is good if you have an apple // and run GEOS. There are no drivers for the SR3000 that I had but it did support the SR2000.

25 years

VaxServer 3100 and VT340 terminal

by hsappleton＠sprintmail.com

I have a Vaxserver 3100 and a few vt340 available. Can they be used together and if so how? thanks for your consideration Headley

25 years

Super Star Trek Source

by jim＠calico.litterbox.com

Since it's come up, I've re-added the scans of the Super Star Trek sourcecode in Basic from David Ahl's "More BASIC Computer Games". There's no link from my home page, but the inside link will work. It is: http://www.litterbox.com/jim/trek/ Be advised the scans are quite large - 300dpi - to make OCR work better. -- Jim Strickland jim(a)DIESPAMMERSCUMcalico.litterbox.com ----------------------------------------------------------------------- BeOS Powered! -----------------------------------------------------------------------

25 years

Apple //c compatible

by ken.keller＠sk.sympatico.ca

I recently got my hands on a Laser 128 Personal Computer, but no way of finding out if it works, as it's missing a power cable, or possibly an external power supply? It has DC 15V marked on the case over where the power cord is supposed to go, and 7 pins arranged in a circular pattern. I need to find either pinouts, an actual cord, or the external power supply for it. Anyone have an idea as to where I can find any of these? Thanks, Gen

25 years

I am interested in purchasing the Commodore 128D, please respond.

by Mike_Mossaad＠hotmail.com

25 years

I am interested at your offer of purchasing the Commodore 128D.

by Mike_Mossaad＠hotmail.com

25 years

Sears SR/2000 (Nakajima AR-30) information ?

by mbbrutman＠chartermi.net

My wife wants to sell this printer in a yard sale, but the collector in me is telling me to hide the printer in a safe place. Does anybody have an owners manual for this thing? I'd like to know what the 8 dip switches control. I'm willing to bet that they have the same functions as whatever printer Nakajima licensed the design from (Epson FX?) I know that it emulates an Epson of some sort, because I used it on a PCjr a long time ago. It has a Centronics parallel interface, and some sort of weirdo serial interface (Commodore?). According to Nakajima, it might work using Epson FX or IBM Proprinter III drivers. The printer is interesting to me because I've never seen another one, and Nakajimi is not a household name for printers here in the US. ;-) Thanks, Mike

25 years

Needed: TRS-80 Model II Keyboard & Boot Disk

by univac2＠earthlink.net

Does anyone have a spare TRS-80 Model II keyboard, boot disk, or manuals? I got one of these wonderful systems today, along with the disk expansion cabinet, but no keyboard, disks, or manuals. It seems to work fine, but without a keyboard or software, I can't do much with it. Any help is greatly appreciated!

25 years

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test-drb April 2001