On Tue Feb 22 12:57:18 EST 2011, rminn...@gmail.com wrote: > On Mon, Feb 21, 2011 at 5:45 PM, erik quanstrom <quans...@quanstro.net> wrote: > > ah yes, that clears it up > > > > 19.4.22 > > APICID > > This register uniquely identifies an APIC in the system. This > > register is not used by > > OS'es anymore and is still implemented in hardware because of FUD. > > > > (Intel® 5520 chipset and Intel® 5500 chipset datasheet pub 321328) > > Did intel claim that the OSes should be using ACPI? What do they use instead? > > ron > p.s. I appreciate the humor but it does lead to a serious question.
afik, acpi has nothing to do with this problem. i believe this particular tech writer intends to claim that nobody uses physical addressing anymore. but i believe bios still needs to use physical addressing before logical addressing is established. so i think the writer may be speaking a misleading half of the whole story. - erik
