Turns out that the battery of another obsolete dark blue Acer DX4 is fully compatible with this Siemens Nixdorf laptop, and the charging LED even went on (for a second! 😂). Also, if the trackball system will ever get damaged… I got a spare one (in blue)….

It’s a #feature! I thought doing some cosmetic upgrade and I decided to give the dark yellow trackball a nice hydrogen peroxide retro brighting treatment… turns out that the dark color was intentional… 😂 Left: before. right: after

#picoftheday Siemens D512 CPU board with Intel 386 processor and IIT FPU. Those were the days… 💻

#PicOfTheDay This vintage SparcStation CPU board is run by a #Cypress CY7C601 processor and a #Weitek 3171 FPU. Date codes from 1991 era…

Here the HP PA RISC workstation 715/100 from outside…