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  1. WTB: AT computer case with Turbo Button

    I am looking for an AT computer case with a PSU and Turbo Button for a retro 386/486 computer build. A desktop case would be preferred, but not mandatory.

    Thanks!
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    486 Pentium Overdrive build

    I just put together a 486 system with Pentium Overdrive CPU. I have been wanting do this for awhile now. I had one these systems years ago. The specs:

    Mustek/Mecer 486 Socket 2 PCI Motherboard...
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    With help from vogons.org this board appears to...

    With help from vogons.org this board appears to be a Mustek / POSiFLEX / Mecer B887 486 motherboard from an embedded system like an arcade machine. LAZER-TRON is the BIOS string and they made arcade...
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    Mustek 486 motherboard settings help

    I just picked up a Socket 2 486 motherboard and I am trying to find the manual and or jumper settings for it. It appears to be a Mustek 486 board. Some of the stuff is labeled on the board, but it...
  5. I started having issues again with the Compact...

    I started having issues again with the Compact Flash drive so I put the 80GB IDE drive back in, but with the 32GB space limiting jumper set. That has fixed the remaining of my compatibility issues...
  6. That is what I was thought that the timings were...

    That is what I was thought that the timings were over spec causing a compatibility issue. I tried a different Compact Flash to IDE adapter and it is working. Keeping my fingers crossed that there...
  7. Turning a $20 Craigslist purchase into a respectable DOS/Win9x gaming rig

    I picked up a P133 system on Craigslist for $20. It was nothing special:

    AT Case, PCChips M572 Motherboard (Intel 430TX chipset), Pentium 133 CPU, 40GB IDE hard drive, 128MB SDRAM, ATI Rage XL 8MB...
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    Unlocking the K6-PRO.SYS device driver

    I just put together a K6-2 500 computer and wanted a utility like K6DOS.SYS to set up the CPU before any memory managers were loaded. Unfortunately K6DOS.SYS only works on K6+ CPUs. There is a device...
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    Pentium Overdrive PODP5V83 question

    I was reading an article about the Pentium Overdrive for 486 Socket2/3 systems and came across this interesting item:

    https://www.os2museum.com/wp/intel-overdrive-part-ii-pentium-overdrive/

    A...
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    Thanks for info. I do have it working with your...

    Thanks for info. I do have it working with your MTCP package on my Epson Equity Ie.
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    Xircom PE-10BT drivers

    I just got a Xircom PE3-10BT parallel port Ethernet adapter. I was able to find the 3.53 drivers online. These drivers seem to be published in 1997. Intel's website no longer hosts them. Are there...
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    I also found out that there was an Epson PSE-30...

    I also found out that there was an Epson PSE-30 (I think it was only sold in Europe) that also had MCGA graphics. I believe it was just a rebranded Epson Equity Ie.
  13. It came with a Cyrix 486DX2/80 which should be...

    It came with a Cyrix 486DX2/80 which should be just fine. I forgot the board only had a 168 pin socket. I haven't dealt with 486 boards in years. Must be my old age catching up with me. Thanks for...
  14. Acer VI9 386/486 VLB motherboard and Pentium Overdrive

    I just got an Acer VI9 386/486 VLB motherboard. There are jumpers for a 486DX and 486DX2. I assume if I set the motherboard for a 486DX/33 I can put in Pentium Overdrive CPU. I would just like to...
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    Replacement Turbo Button plastic cover

    I picked up an old AT desktop case and the Turbo Button cover is missing. Anyone know if there is any place a replacement could be found?

    https://1drv.ms/u/s!Ar6NijzQIpZIjH2Jjjx9h2ciSZYL?e=r9P0T1...
  16. Found out it's an Acer VI9 386/486 VLB...

    Found out it's an Acer VI9 386/486 VLB motherboard.

    http://www.uncreativelabs.de/th99/m/A-B/34889.htm
    https://stason.org/TULARC/pc/motherboards/A/ACER-INC-486-VI9.html
  17. Need help identifiy this 486 VLB motherboard

    I am unable to find out any info based on the P/N on the board. I believe it is an AOpen board . Any help would be appreciated.

    https://1drv.ms/u/s!Ar6NijzQIpZIjHj5oNpQPrfb5-7e?e=RESLxX...
  18. I don't know of any published Service Manual for...

    I don't know of any published Service Manual for the 1000/RL line. The last one available online I believe is for the 1000 TL and that was the Technical Reference manual.
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    I can confirm configuring the XT-IDE BIOS to full...

    I can confirm configuring the XT-IDE BIOS to full operating mode does indeed solve the issue.
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    I got the Epson Equity Ie all finished today. It...

    I got the Epson Equity Ie all finished today. It now has:

    NEC V30 CPU @10MHz
    Intel 8087 Math Copressor @10MHz
    ET4000 1MB SVGA
    Sound Blaster 16 CT4170
    XT-IDE CF with 2GB CF Card
    Lo-Tech 1MB...
  21. How did you prepare the Compact Flash card? I use...

    How did you prepare the Compact Flash card? I use my Windows 10 computer, a USB Compact Flash card reader and the DiskPart utility to completely wipe the Compact Flash card first using the CLEAN...
  22. Yes, use D800 with the jumper on that address....

    Yes, use D800 with the jumper on that address. You can't flash it at C800 while in the Tandy 1000 TL/2 due to the conflict.
  23. I had the same issue my Tandy 1000 TL/2. You need...

    I had the same issue my Tandy 1000 TL/2. You need a XT-IDE BIOS padded with 16K of hex FF bytes in the beginning of the file in order for this work. This is documented in Lo-Tech's XT-CF FAQ. Look...
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    I am just waiting for the NEC V30 to arrive. I...

    I am just waiting for the NEC V30 to arrive. I currently have it on order. I was able to find the manual online and software on Epson's Europe FTP site.
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    8086/NEC V30 XT class computers

    I've always had a fascination with 8086/NEC V30 systems, probably because there were far fewer than 8088/NEC V20 systems. I recently acquired an Epson Equity Ie. It's a curiosity being the only non...
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