Am 2. September 2017 17:08:17 MESZ schrieb leo_...@volny.cz: >Just some notes on the damn thing: > >Swapping the general battery clears the 'CMOS' memory. I surmise that >there is no seperate CMOS battery: I consider this a design flaw. > Have you checked for a separate CMOS battery - which is probably long dead?
>As with lots of IBM PC stuff of the era (since the PS/2?), there's a >'system partition' (or whatever they called it that week) that is >probably best preserved when swapping hdds […] I would be surprised if there's more than some diagnostic software for to ease the job of IBM's customer support. I installed OpenBSD on an ancient T20 (which has a serial port, that's why I kept it around) once and didn't look out for any "system partitions" >[…] > >There's what appears to be an extra port above the PCMCIA one, with a >female connector, but otherwise looking suspiciously similar, which I >haven't seen described (seperately) anywhere. […] Probably be a second PCMCIA/CardBus slot. Those were important back then. Regards, Florian
