On Wed, 2008-09-24 at 22:04 -0700, H. Peter Anvin wrote:
Hmm...what can a IN on an unknown port cause on native hardware, if a
port is not being used it would return 0xFFFFFFFF in eax, and if you
have a real device there (a sane one), what can IN result in apart from
reading some IO register/counter value in eax ?
If there is anything apart from the above 2 outcomes, please let me know
exactly what you mean.