So it was you who bid me out ... ;) I wanted to see how the internal floppy drive works. 'Elektronikladen Detmold' still exists: http://elmicro.com/ Maybe someone there knows about the 'GDP 64K' ? Christian Am 13.06.2013 18:23, schrieb Michał Pleban: > Hello! > > Today I picked up a strange CBM710 machine from eBay. Unfortunately it > does not power on, but here's what I found: > > * There is a DIN5 socket at the back. It is wired to the User Port by > two wires. It's not an IEC port (different pinout, too little wires). > > * There is an unknown adapter on the expansion port. It is wired to the > video connector so I assume it's some kind of graphic adapter. There is > an array of TTL glue logic there and one 40pin chip which has a big > radiator glued on - I cannot unglue it so I don't know what chip this > is. On the board are markings "GDP 64K" and "Elektronikladen 4930 > Detmeld 18". There are many manually resoldered wires on the board, one > chip is even piggybacked on another. > > And, the most strange of all... > > * There is another board on the second expansion port, with an EPROM and > SAB2793B chip, and attached to it is... a 3.5" floppy drive!!! It is > mounted at the front, through a hole cut crudely through the front panel. > > As I said, it does not power up so I cannot test anything, so I'd > appreciate any input on what these might be? > > Regards, > Michau. > > > Message was sent through the cbm-hackers mailing list -- Christian Dirks Toast_r@Idealine.info Message was sent through the cbm-hackers mailing listReceived on 2013-06-13 20:01:18
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