Fixing Robotron 1715

April 15, 2022 User 0

I have a couple of Robotron 1715 in my collection and both are dead (1715 and 1715M). For 1715 I managed to fix PSU (http://asknotes.com/2021/09/01/fixing-robotron-1715-psu/), […]

IBM PS/2 model 30-8086

May 5, 2021 User 0

Got myself IBM PS/2 model 30-8086 type 8530-002 S/N 55-2129388 Was looking to get PS/2 PC into my retro collection for quite long time as […]

Laptop 386sx and its fixes

March 15, 2021 User 0

Recently got myself this nice Laptop 386sx. Could not get much information about it inittaily, but later found that it is basically same as Twinhead […]

ZX81 repair and mods

October 4, 2020 User 0

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 […]