Acquired a motherboard and processor board for this recently - does anyone have a service manual or circuit diagrams for this beasty?
Or perhaps have any details for the pin outs for the ROM card at the backup - is it even remotely similar to the QL 64 way connector pin outs ?
If not, I guess I've got some nice long hours of multimeter ping testing to find out what's connected where...
Seems to be a good few '138 decoders on board for a machine that's laden with ROM chips
