Noob mode again....you've been warned.... :) On Wed, Aug 11, 2010 at 03:37, Parmenides <mobile.parmenides@xxxxxxxxx> wrote: > 3. What's the relationship between the PIC(8259A) and the APIC? If the > two coexist, which one takes effect, or both? Depends on which timer source is picked by the kernel...AFAIK APIC (errrr or LAPIC?) has higher priority than PIC, thus APIC wins in most cases... -- regards, Mulyadi Santosa Freelance Linux trainer and consultant blog: the-hydra.blogspot.com training: mulyaditraining.blogspot.com -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ