On Mon, 21 Jan 2013 14:54:23 -0500 Paul Dufresne (PD) wrote:
PD> "Oh did I say one more thing? There's more. Some motherboards have a PD> thingy that you must write to redirect the interrupts from the 8259's PD> to the IOAPIC. This is done by writing 0x70 to port 0x22 and 0x01 to PD> port 0x23. Also, you may want to disable the 8259's completely. I do PD> this by writing 0xFF to ports 0x21 and 0xA1. So I disable the 8259's PD> first, then program the IOAPIC, then write the ICMR (0x22,0x23) ports PD> to accept IOAPIC interrupts."
I don't think that applies to your chipset at all.
Cheers, Udo