the raspi only supports 1 display, now i dont know if you could possibly use RS232 form the GPIO ( don't know if the GPIO uses RS232 or TTL logic would have to check) out to a serial terminal or to USB and have a PC running Screen and have text only output on that and then have another virtual termi...
If you want maximum compatibility you would be best with a "blue cube" http://www.amazon.co.uk/PRO-SIGNAL-USB-0044S-Keyboard-Adaptor/dp/6095013127/ref=sr_1_67?ie=UTF8&qid=1358424787&sr=8-67 It is regarded by keyboard enthusiasts as the most compatible ps2 to USB converter you can buy ie even works w...