I had to file and sand down a PC 9 Pin male - 10 Pin header connector in order to make a adaptor for a motherboard such as the one you have just described. I think it was a 9 Pin com port connector that used to connect to a header on the PC motherboard.
Filing and sanding was necessary to reduce the height of the header connector to allow the A1200 shielding to be put back on.
Works fine anyway.
Hodgkinson.
EDIT: Huh? Female connector on the motherboard. Ah. Maybe you could simply use some straight pieces of wire to join the two connectors together? BE CAREFUL though, as sometimes the pin layout is flipped along the axis of the connector - So it would need to be checked first.
Or you could always unsolder the socket from the motherboard and put a standard header there, perhaps (Still necessary to confirm the pinout beforehand...)?