On Thu, Mar 09, 2006 at 10:42:04PM +0000, Martin Fflores wrote: > asm("outb %%al,$0x60;": :"a"(EnabledDataReport)); Try asm("outb %%al,$0x60;": "a"(EnabledDataReport):); instead. Leslie -- gpg --keyserver pgp.mit.edu --recv-keys 0x52D70289 http://nic-nac-project.de/~skypher/