Interestingly, Commodore PC 10’s motherboard is built from two separate pieces.
Configuration switches have exactly the same meaning as in Commodore PC 10-II. This motherboard works only with pure XT keyboard. PC-10-III keyboard, although it may work with other XT PC’s will not work with this model.
Floppy Disk Drives
BASF AG 6128-C
Yamaha V6366-F based adapter. I could not make it correctly sync with a Commodore 1084S monitor, because the card produces ~14kHz horizontal sync. I replaced it with ATI Graphics Solution from Commodore PC 10-II to make the pictures of a working setup.