IBM PS/2 Model 50 Disk Drive Repair
The IBM PS/2 Model 50 is a special computer for me, as this was the model that was used in the computer lab of my elementary school, apart from a couple of IBM XTs (or ATs, I don't remember). My unit is almost complete, with a matching 8513 12" colour monitor and a Model M "clicky" keyboard. I'm only missing the appropriate IBM mouse. It was made in 1987 and has a 286 at 10MHz, 1MB of RAM and a (today non-standard) ESDI hard disk with a whopping 20MB. The case is wonderfully engineered, everything can be disassembled without tools. It even comes with a small plastic thingy to help loosen the knobs that hold together the parts of the case. After all, the power switch makes one of the most satisfying "clunks" known to mankind! I had been on my father's Sanyo XT clone on rare occasions, but, this was probably the first computer I made some "educated" moves on. The computer class in my school was so popular that every pupil could only attend f...