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In another discussion, I got the idea to add in a SCSI card and drive for my IBM PS/2 55SX. So, I found a card, cable, and drive - but now the configuration is making me think it is scuzzy, instead of SCSI. The card is an Adaptec AHA-1640. The .adf configuration file was fairly easy to find and...

Does anyone have pinout information for the DB-25 connector on the back of these? The "manual" I found is pretty skimpy. It does say that it needs +5v and +/- 9-15v for the RS-232 connection, but not where to feed them on the connector. I believe they were produced in the early to mid 1980s...

Anybody have a printed PowerBASIC version 10 manual they want to sell? I upgraded and while the help files are good, I still prefer dead tree format for reference. Exported the help file to PDF thinking to print it, but that generated about 1800 pages. <*> Jim

Saw this today on eBay and thought it might interest some of you: http://www.ebay.com/itm/Vintage-Tandy-1200-Mother-Board-1st-Gen-5-Slot-256K-PCBA-188381-001-/311451994903?hash=item4883fc4b17 Jim

I've picked up a couple copies of this book but have never been able to find the companion diskette or an image. It would be fun to play with some of the code, but not finding and fixing all the typos if I have to key it in. PC Magazine BASIC Lab Notes by Ethan Winer and Phil Cramer Published...

This one is for those TRS-80 collectors with way more money than sense: http://www.ebay.com/itm/Tandy-TRS-80-all-original-all-original-cables-Complete-system-/181456377768?&_trksid=p2056016.l4276 Or, maybe the seller is just a little, um, enthusiastic.

Found a TeleVideo TS-802 and keyboard on eBay recently that looked like a reasonable deal for less than $100 delivered. {Of course, I didn't know that the seller was going to wrap the computer in brown kraft paper, tape it up, slide it into a box with 4" of space all around, then mail it Postal...

The ad said this Mod I Expansion Interface had an extra "memory board" when I bought it. Turns out it was a Tandy double-density adapter that should have been mounted in the socket for the WD1771. Unfortunately, it popped free during shipping and apparently bounced around quite a bit. All the...

Came across a couple 5.25" diskettes from long ago. One was labeled "MRS-OS w/our BIOS" (a 'big board' kind of machine) and the other just "MRS". Further digging produced nothing in the way of documentation. As I recall, MRS was Z80 based CP/M replacement system. But, that's about all I can...

Ugh! Found this 5170 AT system in sort of rough shape and things got worse when I looked inside. The original lithium battery split open and leaked (hey, thanks Tadiran!) over a small portion of the motherboard around the keyboard connector. The system powers on, but won't POST or boot. It...

Recently picked up an IBM 56 SX machine without a hard drive. I found a SCSI drive that works just dandy, but it had no mounting bracket. :( Anybody got one they'd like to part with? It looks like the hard drive mounts on a "sled" to the bottom of the drive cage. There are also rail-like...

My recently received 5150 with the big 'B' stamped on the back came with a CGA card. It was fun at first, but the ol' eyes flashed back to the mid-80's and protested that viewing text on a CGA display (even if it IS an IBM) is still cruel and unusual punishment. So, I picked up a WD Paradise...