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· Altair Computer Club - A place for Altair enthusiasts and collectors.
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Founded: Nov 4, 1998
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Altair 8800 Fan
Does anyone have a good fan replacement? Mine is in bad shape and I'm inclined to replace it rather than try to revive it. Cameron...
Sep 13, 2012
Tom at Home
So I was reading a PDF of some Assembly tips from back in 1975
201.pdf In it they mention spraying your dress panel with flat Krylon Acrylic to protect the silk...
Sep 11, 2012
Was the Altair 8800 capable of displaying graphics?
Was the 8800 capable of displaying graphics? Did anyone develop graphics boards for the S-100 bus? Were there any games that used even basic graphics like Pong...
Sep 10, 2012
Ram question.... MITS 4k card...
So my RAM card needs some chips to fill it out. The existing chips are labeled Fairchild 2102 1PC. The date code is 7625. Is this a 21021PC or 2102PC? Or...
Sep 5, 2012
OK, My Altair Arrived... Thanks Dave Larsen ;-)
Looks like I have a bit of work to do... I have a lifted trace for switch A15. It's the middle one of the three for the switch. Have to look at the...
Sep 3, 2012
88S4k ram chips TMS4060NL question
Hi All, I spent a few hours on the weekend messing around with my Cromemco Bytesaver card. I managed to successfully write to many proms, I've got two types...
Sep 3, 2012
Cromemco 8k Bytesaver
I've managed to get a Cromemco 8k Bytesaver and I've been tinkering with it in my Altair. The card was missing an IC (no 5) a 7406, which I replaced, and it...
Aug 31, 2012
PowerSupply capacitor question....
I know there are two schools of thoughts about Altair 8800 capacitors. School #1, is to slowly bring up the power in an empty system using a variable power...
Aug 30, 2012
What IO ports does "stock" Altair Basic Support for the "main consol
I'm a little confused. Is it 020 or port 00 that it is looking for? I'm new to the Altair and just starting to do some heavy research and some of the...
Aug 28, 2012
Just hoping this email reaches you well, I'm sorry for this emergency but I just have to let you know my present predicament. I made an urgent trip to Madrid,...
Aug 20, 2012
help designing S100 board
I'm at a hackathon for new circuit design software this weekend. As a way-too-ambitious project, I want to design an S100 board to make an SDHC flash memory...
Aug 20, 2012
Altair 680 display board
Several years ago I came across an original new old stock bare Rev 0 680 main board. Does anyone have a 680 display board complete or partial, working or not...
Aug 11, 2012
Altair 680 Boards....Re: [Altair Computer Club] help designing S100
... Would anyone have the dimensions for this type of card ? I've been looking to make some boards for my Altair 680. I haven't heard from Grant in a long...
Aug 11, 2012
MITS 8800 Power Supply Specs
Dan Roganti sent info and details related to replacing a MITS 8800 power supply and I put up a page to hold the info: ...
Aug 3, 2012
ME1702a ePROM Programmer
Finished (with help) my ME1702a ePROM programmer today, works perfectly. I have been able to read and write 1702a's without issue. The only problem I had...
Jul 20, 2012
Announcing a new Vintage Computing article on Tronola.com
Hi Folks, I'm pleased to announce a new article on my website, Tronola.com <http://www.
> : Building a Simple 1702A EPROM Programmer I have...
Jun 4, 2012
APE - Altair Peripheral Emulator
APE - Has a new home: http://home.
~forbin376 Since OfficeLive.com is no more......
May 31, 2012
Messages not appearing on this site
It appears that there's a glitch in Yahoo's notification system. I'm not being notified when new/moderated members submit a message. As a result, their...
May 7, 2012
WTB Cable for 88-C700
I need a cable to go from the MITS 88-C700 Centronics board to the back panel of an Altair 8800 (DB-25 female). Does anyone have one they'd be willing to sell...
May 5, 2012
Altair 8800b turnkey 300/25
Don't often see these for sale Altair 8800b turnkey 300/25 ...
Mar 31, 2012
Hey everyone, I saw a couple of posts related to Martin's 1702 reader/burner so I thought some of you might be interested in hearing my results with it. I...
Mar 18, 2012
Cromemco TU-ART Serial Parallel Card HELP
Hi All, Does anyone know if it's possible to use the Cromemco TU-ART card as an alternative serial card to the MITS 882SIO? I've managed to get one of the...
Mar 14, 2012
I have some ALTAIR cards for sale on eaby
I've spent some time on my Altain 8800 and I've removed some cards from it that I'm never likely to use like the parallel card and some of the original memory...
Mar 11, 2012
the altair 8800a
where can I find the manuals for the altair 8800a computer in pdf foramt...
Mar 10, 2012
Altair 680 KCACR Loader Firmware
I found an EPROM in one of my 680Bt machines that is labeled "680CBL KCACR". This EPROM was located in the socket at address FD00; the machine also had the...
Mar 1, 2012
Looking for a plain 1702 or 1701
I have upgraded the firmware for the ME1702A EPROM programmer to support the plain 1702 and the 1701 as well. It looks fine on the 'scope, but I would sure...
Feb 28, 2012
8800B switches, continued
my thanks to everyone that offered information about getting one of these switches. i have a replacement (and a spare) in my hands. now all that's left to do...
Jan 31, 2012
Dr. Larry Pyeatt
i know this has come up a million times before, so what's one more. does anyone have a bottom row switch (or two) for an 8800B and would be willing to part...
Jan 27, 2012
Altair Serial Number # 21
Great video of a very early Altair Micro computer http://youtu.
be/fxCC0NZ7gLM - MrSmith...
Jan 5, 2012
Altairs and Disk Drives
Interfacing diskette drives to an Altair has been a personal project since 1979. MITS controllers are required to run MITS software. Using MITS controllers...
Jan 4, 2012
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