I am building a Pentium 200Mhz system to run DOS, 1995-97 Windows, and early 3d-accelerated games that do not run properly on my PIII 1Ghz with a GeForce Ti4200 8x AGP. For the video card, I decided to use a TNT2 M64 for the sake of compatibility with the DOS games and what would seem like an …

I think I found the answer to my question. It looks like motherboards using that chipset from that period of time did not support the lower core voltage for MMX CPUs but they did support a 3x clock multiplier, so the question now is Pentium Classic 200 or Pentium Overdrive 200.

There are even some Evergreen/Powerleap upgrade socket/CPU combinations that could go further, up to a K6-2 400 (6x 66MHz) - but they make the MMX overdrive look common, so unless you are very lucky (or have excessively deep pockets) you can forget that. Funny you should mention that. When I bought …

If not, pentium MMX overdrive could be an option as well, but much harder to find There are a few available on eBay right now, but they are kind of pricey, including this one in box: https://tinyurl.com/y7kapdea. Interesting point, though: if you read the back of the box it states that the …

Last year I purchased a used Zenith Data Systems Z-Station GT with a 100Mhz Pentium. The motherboard is made by Jabil Circuit, Inc. and features an Opti Viper 82C558M chipset. Based on my research and the dates codes on the motherboard, it appears that the system was sold in mid or late 1995. The …