Hi ! I want to implement a serial mouse driver for the GVP IO Extender ! Who can help me or give any hints ?? Bye -- Hartmut Kuehn | E-Mail: ghost@macbeth.in-berlin.de Phone: +49 (0)30 814 13 78 | ghost@cs.tu-berlin.de Berlin, Germany | kuehaaaf@zrz.tu-berlin.de