4055 201 and a blinking cursor
ON a PC 5150 I get this error4055 201 and a blinking cursor after a successful POST beep. Having trouble chasing it down. Can anyone enlighten me?
View ArticleApple 1, Commodore 65, Enigma Machine, Inventor of C++
"What do an Apple 1, Commodore 65, Enigma Machine, and the inventor of C++ all have in common?" "They will all be at VCF East this weekend." You should go, too.
View Articlepdp11 program attempted a word reference on an odd address
Hi, I'm trying to get XXDP loaded and running on my J11 hack breadboard. Since I have been working on my little 11/23 RX02 project using Don's emulator I had all the gear set up to test the J11. Today...
View ArticleTrying to decide between two 386 laptops...
I've found two 386 laptops that interest me: the IBM PS/2 L40SX and the AST Premium Executive 386SX/20. Both are on eBay for basically the same price and both seem pretty cool, but I have no experience...
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JAM Graphic pad and bundle of 3.5 HD disk.
JAM graphic pad with pen and 9-pin RS232 to USB adapter. Online reviews claim this is one of the worse graphic pads ever. After trying it out, I feel they were kind. The adapter did work and you can...
View Articlemoving a Model 4 with no box..
I will so be moving about an hour highway drive away from the place i current refer to as hell.. I have a nicely restore Model 4 that I bought a few years ago, but I have no box for it. So I was...
View ArticleTandy 1000 TL and Lotech EMS card
I am trying to add a LoTech EMS card to my Tandy 1000, I have tried several jumper configurations with varying results. Some disable my VGA card, one configuration disabled the Hard Disk, among other...
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Apple 2e ROM diagnostic card.
s-l500.jpg I just bought one on ebay with french ROM's. I plan reprogram the eproms with the english version. I was wondering was anyone still interested in cloning the card? I saw on google that some...
View ArticleModel 4 Power Supply issues...
Well, I guess I never learn. Just got back from a trip and on the way I brought some "rescues" with me. Okay, the Model 4 I got off Craigslist but who's taking notes? (In case you're curious, the other...
View ArticleModern Prebuilt PCs are too garish.
Seriously, what the heck!?!? These darn things have all kinds of flashing lights and are weird colors. And they are "liquid cooled"... I have no idea why they would combine electronics with water....
View ArticleNetPi-IDE disk emulator using a Raspberry Pi Zero
I've been working on a complementary project to the JR-IDE boards I helped build a few years ago. While it started out as a Jr specific project, it's morphed in to quite a bit more. It is basically an...
View ArticleLLF ST225. Parameters?
I want to low level format an ST-225. I've the thread Low Level Format and https://groups.google.com/forum/#!to...pc/WnXiswcgBW4 I understand cylinders and heads but not the other paramaters. I typed...
View ArticleWasn't someone here looking for a Copy II PC board?
Just ran across this on eBay and I thought I recalled someone here saying they were looking for one: http://www.ebay.com/itm/Central-Poin...IAAOSwTM5YwITx They're asking $175 to start.
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DEC original 5.25" floppies - worth keeping?
Hi all, I recently picked up a collection of "old floppies" on eBay, with the intention of writing over them and using them as working floppies with my retro x86 PCs. However when they arrived, it...
View ArticleST-225 and ibm diagnostics 2.02 surface scan length of time to complete
Roughly how long should a surface scan of an st-225 and ibm diagnostics 2.02 take?
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30 year old 20 Meg hard drive in pretty fine fettle
Still in pretty good nick after all this time :D Hard Drive Unit.jpg 20 Meg Hard Drive Stats.jpg Hard Disc Contents.jpg No Bad Blocks.jpg Clean Bill Of Health.jpg Martin Attached Images Hard Drive...
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IBM Menu System
Has anybody seen this before ... just wondered how much it was used back in the day? IBM Startup.jpg IBM Menu.jpg Martin Attached Images IBM Startup.jpg (58.8 KB) IBM Menu.jpg (74.7 KB)
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XT Slight Upgrade
I have a new (to me) XT that I would like to upgrade slightly, not too much as I would get one of my old PCs out of storage if I wanted something faster etc. It looks like this up front ... XT...
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What have we here?
Acquired a Prodigy SE accelerator card from Levco / SuperMac. My best guess is that it was manufactured between 1987 and 1990. I haven't tested it yet; I wanted to see if anyone has any information...
View ArticleTandy Model 3
Cassette, 16k(?), powers up. Manuals for Basic & Assembler, no software (rats). I'm 20 south of Kalamazoo, pickup only, open to a reasonable offer.
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