AST 5251/11 help needed
OK, I have a couple of AST 8-bit 5251/11 cards here; one is the enhanced version and must be software configured from the lack of switches, while the other has a couple of 8-switch banks. I have...
View ArticleTerminal Card for IBM compatibles
So this post is some musings on a rainy day in SoCa on a wish list for a tool and maybe a start of discussion on production.... I obviously have no hardware design experience so I am hoping that if it...
View ArticleInstalling SunOS 4.1.4 on Sparcstation IPX?
That shouldn't be that hard to install SunOS 4.1.4 on a Sparcstation IPX, right? Well, I fail. I have a Sun IPX with a 1 Gigabyte ST31055N drive. I have a Panasonic CR-506B drive with a sector jumper....
View ArticleIntel D8741A peripheral MCU
Hi folks, I'm working on restoring a 1984 executive desk phone system made by STC called the Executel 3910, an 8085-based autodialling phone system and viewdata/Prestel terminal rolled into one. One of...
View ArticleI need help with my PSU tester please
I have an Ultra ULT31553 tester. It has ports to test different connectors. I usualy just plug in my ATX 20/24 pin connector and call it good. On the 20/24 slot there is lights for +5v, -5v, +12v,...
View ArticleNeed parts for my Gateway P4D-66
I finally dusted off my first computer (Yes, I still have it) and currently going through process of getting it going again. Unfortunately its missing a lot of parts so if anyone has one of these that...
View ArticleChecking in from Allentown, PA
Hi all! This Mid-Atlantic section is dead so I figured I'd kick things off. I'm from the Allentown area of Pennsylvania. I participate in the VCF Mid-Atlantic group via in-person stuff and the mailing...
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Found inside Commodore insted of Regular Kernal
On bootup instead of regular Commodore Basic screen, this screen shows up "Hyper-Logic By Robert F HAAS" the chip is installed in place of the regular Kernal IC.... this is not a cartridge..any info on...
View ArticlePS/2 ABIOS ROMS - do multiple versions exist?
I finally got my eprom programmer working, and I'm wondering if there exists multiple versions of the ABIOS in PS/2 systems, or if a revision history even exists? I've found information on the web...
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Looking for original Sol Terminal PCB artwork
Bought a copy of Popular Electronics that featured the original Sol Terminal (not to be confused with the Terminal Computer). I'd seen a scan of it on SWTPC.com by accident and thought -- cool!....
View ArticleFree ROM-DOS available?
Hallo allemaal, This question has been triggered by a previous thread, "Terminal Card for IBM compatibles" , started by Shadow Lord. He asked for an 8-bits card with several items including...
View ArticleAST Advantage/2 problems (MCA)
I installed this in my Model 50. One wait state, proper ADF, 9 chip parity 1MB and 256KB 9 chip, and consistently, when the system reboots after updating the config in setup, I get a 107 error at POST...
View ArticleIBM AS/400 model 9402-600 up and running
I acquired an IBM model 9402-600 from one of our clients that was headed to the scrapyard. With a lot of help from a good friend we now have it up and running. I was very lucky that it was running...
View ArticleDell OptiPlex Parts
I have tons of parts that will be going to the recycler soon and if anyone here needs some, you are more than welcome to have it for nothing more than the cost of shipping and perhaps a few bucks for...
View ArticleWhat were some of the best VHS camcorders? Does it matter?
I just saw a vintage pc video from LGR on Youtube and found out it was shot with a VHS-C camera. I think making old school tech videos in VHS quality really sets the "theme" and makes you feel like...
View ArticleIbm pc xt 5160 clock, ram and modem questions
Looking at the site minuszerodegrees.net I ran across a topic for adding a clock by sandwiching a Maxim / Dallas Semiconductor DS1216E between the mobo and the ROM chip at U18. I searched Mouser and...
View ArticleWashington, D.C. Next Week
I'm just wondering if anyone from here at VCF is going to be in Washington, D.C. next Thursday or Friday?
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Running Openwin on Sparc IPX - how to set the resolution?
It doesn't look too good. It has to be a way to convince the X server to use the correct resolutions. But how? I tried setting things using the eeprom command but no difference. The screen thinks the...
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VFX-1 Headgear display problem
Greetings, people! Long time no see! A year ago, my parents let me get an early VR Headset called the Forte VFX-1 Headgear. It's been working well after I had done some component replacements, that is,...
View ArticleSelling part of the collection...
Hey, If anyone in the Wichita, KS area is interested, I am going to be selling part of my collection over the next few weeks. I'm putting the heads up here since I don't want to ship these items. I...
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