Processor Technology VDM-1 with original paper tape driver.
The Link: http://www.ebay.com/itm/-/191897905238 Processor technology VDM-1 with original paper tape driver! Very RARE, very hard to find! For MITS Altair 8800 and compatible! I bought this board for...
View ArticleG'day from Wales.
This looks like an interesting forum. I am retired, formerly a systems admin. with the Ministry of Defence (UK). Most experience with Sun/HP systems and latterly with the Windows clockwork systems....
View ArticleOld guy who still uses MS-DOS
Hi, I'm an old guy (in my seventies) but I feel much older due to multiple disabling chronic illnesses. Although I feel forced into using the Windows operating system for my day-to-day computing -- web...
View Articleneed help with Tandy RL and VGA card
so far I've tried 3 VGA cards and they all screw up Leisure Suit Larry the same way. I assumed it was an issue with the Tandy thinking the VGA card was a CGA or EGA card and I downloaded and ran...
View ArticleWTB: Cherry compatible tilde/backtick keycap
Just finished repairing a few high resistance keyswitches on an old Qtronix keyboard and figured I'd see if someone had a Cherry-compatible tilde/backtick keycap. This keyboard has never had one,...
View ArticleNeat little trick with terminals
Found this out a while ago, forgot to make a post about it. You can decipher what your CRT monitor/terminal has been used for! A lot of monochrome CRT's (especially dumb terminals) would just display...
View ArticleGreetings from...
Greetings from the Fine Commonwealth of Virginia. I joined for two reasons. The first is this seems like the place to be if on is interested in in vintage computing, which I have always been. The...
View ArticleRookie with "not that old" collection to get rid of
Hi All, I am totally new to this community and live in Ontario, Canada (3 hours from Toronto). I got my first computer when I was young enough to wonder if Santa Claus was real, and as the story goes I...
View ArticleCromemco Z-2D revival - RDOS prompt info?
Hi, Am in the process of reviving a Z-2D, at this stage have sorted out and reformed the power supply and have a ZPU, 64KZ RAM and 16FDC controller in the chassis. It's set to boot into RDOS and it...
View ArticleYou guys ever feel bad about tossing something instead of fixing it?
Tonight I dragged my screwed up 19" Sony 420GS monitor to the curb for trash pickup. I kept it around for years figuring I would get it fixed someday. Recently my city decided to do its own trash...
View ArticleEasy to learn, hard to master the fate of atari hits kickstarter
Hello, on kickstarter there is our new documentary and this time it's about Atari. I'm sure you can be really interested! This is a short description: "Before Google, Yahoo and even Apple, before the...
View ArticleNewBUFF - for the early Expansion Interface - repro buffer cable
The support continues... NewBUFF - New Buffered Cable Discuss. Ian.
View ArticleWTB Tandy cassette
Hi there folks... I have started to my TRS 80 Modelg 4 after finally getting some space in our new home. The thing is, I need an actual Tandy cassette recorder to complete the setup and for loading and...
View ArticleUPDATE for bootstrap/diagnostic ROMS for pdp11/23plus
Hello, I'm looking for newer boot ROM with MSCP ( "DU:" ) boot support for DEC M8189 KDF11-B PDP11/23+ CPU. I see there are two 4kb UV EPROM chips. Is there way to use bigger chips (i2764, i27128,...
View ArticleNCR 725 (NCR 605 Processor)
I have recently acquired an NCR 725 in reasonable condition, and am considering its prospects for restoration. It is based on the NCR 605 Processor, a 16-bit CPU built entirely in small-scale TTL. A...
View ArticleBIG Lot of Commodore Gear--FS Trade?
I have carefully made up this fairly big list of gear that I have all boxed up and I really want to sell it as a lot. I do not know how to price this but I will sell it all as a package at a good buy...
View ArticleVintage newbie here - Tandy story and questions
First, I got a Tandy 1000 SX in 1988 when I was 13. I did some serious upgrades to it, but I find myself missing the basic aspects of TGA and the 3 voice sound of it. I had upgraded the SX to 640k, got...
View ArticleTMC850 Maximum Drive Size
I've got a TMC850 and BIOS version 8.5 in my XT. Anyone know what the maximum size drive I can safely access is? I've been having issues with a 4GB drive even when using a couple of 128MB partitions...
View ArticleUsing PDPGUI to run BASIC
Attempting to follow directions here: http://retrocmp.com/how-tos/using-pd...s-running-them ...to load BASIC into PDP 11/40 with 16K RAM. I can boot up to an @ prompt using CONSOLE ROM of M9312. System...
View ArticleTandy OS-9 C Compiler manual OCR'd PDF inc OCR discussion
I just tried Briss, the PDF cropper (https://sourceforge.net/projects/briss/ on a Mac OS X 10.11.3) and I am very impressed. It readily, and very quickly, removed extraneous borders from this manual. I...
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