Intel P8021H 2173 / Mac M0110A Keyboard
I need to replace the logic IC in an original Mac keyboard. It uses the Intel P8021H 2173. I've seen other numbers at the end of that (like 2175). Does anyone know what 2173 means? The cheapest I could...
View ArticleRCA 1802 (CDP1802) and COSMAC (Elf) systems and parts and such
I'm a collector and hobbyist. So I'm interested in almost everything associated.
View ArticleJ11 memory management question
Hi, This is a question for you hard core PDP11 programmers. I have a J11 chip striped up on a bread board. (J11 Hack if you are interested.) I have 128k of ram and a serial port connected. I can...
View Article(Very?) Early CGA Card on eBay
Not mine, but for those who are interested... http://www.ebay.com.au/itm/321748712...%3AMEBIDX%3AIT Black bracket and it's the 'early version'. I'd buy it but can't afford it.
View ArticleCommVEx v13 - July 29-30, 2017... and a new hotel!
The contract is signed. The deposit has been made. The Commodore Vegas Expo v13 is coming July 29-30, 2017… and we have a new hotel venue – The California Hotel & Casino 12 E. Ogden Ave. downtown...
View ArticleKermit 4.11 for Model II Lifeboat CP/M
Just in case anyone finds this useful... KERMIT-411-LBT.zip Works with a standard null modem cable without hardware handshaking at 9600 baud. I use Hyperterm on the PC to send and receive. Attached...
View ArticleBios CR2032's...Is anyone still selling cells with date codes on them?
Had to run to radio-shack to replace a 2032 today. Didn't realise it untill i got home and had the cell in my hand that the only date code on the thing was listed in the cardboard backing. Seems pretty...
View ArticleVCF East: March 31-April 2, 2017
Vintage Computer Festival East XII will be held March 31-April 2 at the InfoAge Science Center in Wall, New Jersey. http://vcfed.org/wp/festivals/vintag...festival-east/ Details about speakers, etc. to...
View ArticleArchive Tape Drives 2150LE, parallel port
NOS tape drive units for sale, early 1990's? - http://www.ebay.com/itm/Archive-2150...gAAOSwHMJYB~57
View ArticleNewbear 77-68 and the Motorola M6800 Co-Resident Assembler
Hello all, Shortly after building my 77-68, I kind fellow gave me a copy of the Motorola Co-Resident (Editor) Assembler package, with suitable tweaks to make it work with his debugger 'Al-Bug'. The...
View ArticleWanted - 256k 8bit ISA memory board
Hi guys, I'm after (hopefully in AU, depending on postage cost!) an 8 bit ISA memory expansion board with 256k installed for my Tandy 1000. It currently has 384k and I want to get to 640k :) I'm making...
View ArticleVAX XMI Boards - free to good home
I have 6 of these boards: 20161020_121008_1476926632562_resized.jpg20161020_121019_1476926631665_resized.jpg20161020_121030_1476926630864_resized.jpg I'm not sure what these are, but it has been...
View ArticleFound new address for Model II software and documents for Model II users.
Found a site from Toby Deshane with special Model II info :) A lot of the info is already on Pete's site, but there are some items that I have not seen before. This is the address:...
View ArticleWhich AT is this?
Currently attracting some... shall we say... enthusiastic bidding on eBay: http://www.ebay.co.uk/itm/ibm-vintag...-/282225678948 Looks like a regular AT box, but it has the terminal keyboard and...
View ArticleCGA mode 4 (320x200x4) put pixel in C
Abridged Background: I'm very rusty at real-mode programming but this past summer of 2016 I read some old game/coding books that got me juiced up and now I'm working on a DOS-based game targeted to a...
View ArticleModel III 360K Drive Replacement
I've ordered myself a full-height Tandon 360k floppy drive. If I just stick it into my model III, does it actually function like a 360K drive, or will it function as a 180K drive? If it functions as a...
View ArticleIBM 5150 unable to boot with keyboard, among other things
Hello, Earlier today I dug out my IBM 5150, Model F Keyboard, and Color Monitor to work on it. Whenever I would boot it up it would tell my that there is a bad chip in bank two and then display "Parity...
View ArticleApple 15-pin to vga adapter
I was digging around in an old box the other day (lots of very useful screws, some i/o cables) and found an adapter plug I had totally forgotten about. Apparently it's designed to connect old-school...
View ArticleFormatting a disk under CP/M
Hi A quick question about formatting a drive under CP/M. Does every sector need to be filled with E5h? Cheers JonB
View ArticleHi All
Hi I'm Kevin and I just joined this forum I wish I could get a lot of friends and be a part of this forum :)
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