My first Real-Time Clock chip mod
Recently I got GA-586HX Rev 1.53 motherboard. Wanted to test it with Pentium 166 CPU I had. Noticed that in Bios I can set whatever […]
Month: October 2020
Restoring 486 pc from the junkyard (or 486 build #1)
Working on another PC from junkyard. Page with Chaintech motherboard support information and bios updates. Motherboard Manufacture: Chaintech 4SPIChipset: SiS 85C496/7BIOS String: 02/16/95-SiS-496-497/A/B-2A4IBC31-B2BIOS Version: Award […]
Back to the 90s, adventures in restoring retro PC from the junkyard (or Pentium build #1)
Recently I came up with the idea to build myself a newer retro PC from the ’90s, something like the first Pentium with DOS 6.22 […]
ZX81 repair and mods
Recently got a nonworking ZX81 personal computer. On power on only white and black vertical stripes were visible. Having some experience with ZX Spectrum`s my […]