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Looking for jumper settings for a Magitronic A-B 247 IDE controller I/O card with a winbond chipset

VCFed about 2 months ago

I bought a MAgitronic A-B247 Ide card at a good price to try and get my gateway 2000 486 up and running. I cant seem to find the jumper settings for this card when I search for Magitronic or Winbond, was wondering if someone could help me out. The aucti …
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For Anyone Who Wants To Get A GRiD Bag For Their GRiD System

VCFed about 3 months ago

I thought I'd share some information on various GRiD bags so other people could make sure if they come across one they will know if it fits their system. This is one of them: This type of bag will perfectly fit a GRiD 1720, 1750, 1755, or 1755 48 …

XT-CF card giving errors

VCFed about 3 months ago

Not sure if this belongs here, but I’m trying to setup a XT-CF-lite rev. 2 for my Compaq Portable, and since I have no 360kb disks I’m doing it on my 486. Anyways, when it tries to boot from C: it says, “Non-system disk or disk error”. However, if …

Sun386i. Overdrive processors: Why don't they work?

VCFed about 3 months ago

Ok, so 35 years ago the Sun386i was pretty much abandoned as a platform. Which is not totally fair, it's actually a nice little system with an impressive framebuffer, network, all the bells and whistles. It's biggest problem is the CPU is just do …

486: XTIDE Universal Bios not loading on startup

VCFed about 3 months ago

I have had for the past few years this 486 (a dx-33) which has been relying on the XTIDE Universal Bios (sitting on a rom chip in a network card) to support the hard drive in the system. The hard drive is an 80 gig drive but is recognized as an 8 gig drive …

Compaq Portable Diskette Error?

VCFed about 3 months ago

Heyo, Booting my Compaq Portable gives me an error that states, “Diskette Error, replace and strike any key when ready”. I’ve tested both floppy drives in a 486 (with ImageDisk) and they both work fine. What’s odd to me is that the error still appe …

Ultimate Pentium Build

VCFed about 3 months ago

Please educate me! I have been on a bit of a kick building awesome retro machines, my 486 Builds hve trajected towards some nice results, and the CoreDuo strategy is progressing nicely. So please feel free to tell me about your ultimate pentium builds, I …

486 Troubleshooting assistance... data lines all high etc

VCFed about 3 months ago

Hello. I have a Gigabyte GA486-US motherboard, which looks exactly like this: ... GA-486US Gi... GA-486US is a motherboard based on the UMC UM82C480 (386/486 PC Chip Set) chipset. Get specs, BIOS …

5 1/4" disk drive problems

VCFed about 3 months ago

Hi, I'm wondering if anyone else has had this problem. I was testing some vintage 5 1/4" disks in a Teac 1.2MB drive (Just doing a DIR on them) using a 486 running DOS 5.0. Most were good disks, some were bad. After testing awhile I ran into a numb …

FS: CPU / Parts COLLECTION - 100+ INTEL/AMD Pentium, Overdrive, 486, 8080, Turbochip, ALL VARIANTS

VCFed about 3 months ago

Selling a very large collection of CPUS , this is everything from an 8080 all the way to Pentium II. This is a part of a very large collection of computer components, everything from motherboards, sound/gfx cards, HDDS, IO Cards, add-ons, software and more …

Gateway HandBook 486

VCFed about 3 months ago

Must be willing to ship to California. I can pay with PayPal or whatever service you prefer. Hi! I'm looking for a Gateway HandBook 486. It looks interesting to have and use, and there's a few fun upgrades I can do with it. Most of the Gateway Handbooks …

RCA CF Reader not working in DOS on 486

VCFed about 3 months ago

Greetings, I have a parallel port-based RCA CompactFlash reader which has been tested to work in Windows XP, and in MS-DOS 7.1 / WIndows 98SE on a Pentium III. I have MS-DOS 7.1 installed on a 486DX2 and have tried all sorts of drivers I found by scouring …
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Orange spider web on the screen

VCFed about 3 months ago

Hello everyone, I need help Yesterday I bought a Retro Eurocom 486 66 Mhz laptop Unfortunately I am very sad It was well protected during shipment, but the screen was covered with an orange spiderweb The matrix is not cracked. I don't know what cau …

New 486 Build

VCFed about 3 months ago

I was able to find a DATA Expert Motherboard and it can take up to 128MB RAM. It says 72Pin SIMS and regretfully the manual doesn't offer much more other than for 128MB it would take 16*2 DRAM in each of its 4 slots to get the 128MB. Its been a long time …

Anyone know where I can get i/o header connectors with or without metal brackets?

VCFed about 3 months ago

I was able to find this connector to build an apple II scsi card: https://www.aliexpress.com/... right now I am looking for a few I/o connectors for some 486 builds I am working on. Gameport and Ser …

External battery connections to motherboards

VCFed about 3 months ago

I'm trying to resurrect a basket-case PC compatible that I've had for ages. It's a 486 but this is more of a general hardware question. The motherboard has a soldered rechargeable battery on it which has long since stopped working. It has a 4 pin connec …

Recommended PS/2 optical mice for DOS?

VCFed about 3 months ago

I got this cheap Perixx PS/2 optical mouse for use on my 486. I was running the open source CTMOUSE driver for the past few weeks and never had any issues, but for some strange reason today the mouse started acting wonky. It seems that it will randomly g …

Which 3rd sound card 486 DX2 66

VCFed about 3 months ago

Hello, Working on a killer 486 ISA VLB system for ultimate sound. I have an Adlib gold, GUS clone and need a 3rd sound board to host a MT32 Duaghter Board. This is because the gusnwill have a dream daughter board, the adlib gold will have the surround d …
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Kingston Pocket Ethernet Adapter KNE-PKL2 DOS/Win3X

VCFed about 3 months ago

So I am trying to use my KNE-PKL2 (parallel port ethernet adapter we used to use only old machines to get them on the network back in the 90s) that I have had in the box for almost 30 years. Its probably been 15 to 20 years since I used it. Im having a n …

Classic 8X Plain IDE CD-ROM Drives

VCFed about 3 months ago

Where can you find these in new like looking condition - need a pair of white ones for the 2 486 DX2 66's I have. How fast did they get before they went ATA? …
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Are these suitable for cache RAM?

VCFed about 3 months ago

I noted that Electronics Goldmine has a shipment of these 32KB 45 nsec SRAMs. Are these of use to anyone looking for cache SRAM for their 386/486 boards? Just wondering... ... ~ Rare …
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Atari’s Mike Jang

The Arcade Blogger about 3 months ago

Some sad news to report on the blog this week. I got word that long-time Industrial Designer at Atari coin-operated division, Mike Jang, has passed away. I’ve known Mike since 2016, and whilst we never met, he was always on the other end of an em …

Searching: Drivers for Microsoft Soundsystem soundcard for Windows 3.x

VCFed about 3 months ago

Hello, does someone have drivers for the Microsoft Soundsystem soundcard for Windows 3.x, probably for MS-DOS as well? The soundcard and it's drivers is very rare, for example used in the 486(slc) based Olivetti M4 / M6 desktop PC series and Olivetti Phi …

Clone Video Cards?

VCFed about 3 months ago

If they were to clone a video card for 486 era like they have for ISA Sound Car, say ISA, VLB or PCI , which famous video card would you want? E …

486 DX/2 66 - Switching speeds down to 33

VCFed about 3 months ago

Curious and need help! What are my options for knocking a DX2 @ 66 down to 33 when needed? Are the CPU jumpers and a switch used for that typically or is there a program that can be run only when needed? Thanks! E …