On Monday 22 August 2005 07:29 am, Derek Jennings wrote: > Isn't that APIC? I know its easy to confuse all these FLA's > > BTW: I notice from the changelog for 2006 Beta2 that acpi=on has been made > the default
No, it is ACPI. If you have ACPI fully on and check your kernel messages, you should see some lines like these: ACPI: PCI Interrupt Link [LNK1] enabled at IRQ 5 ACPI: PCI interrupt 0000:05:0b.0[A] -> GSI 5 (level, low) -> IRQ 5 IRQ "sharing" is enabled and supported via ACPI which causes the OS to ignore BIOS IRQ assignments and divvy out IRQ's to devices itself. This is done in both Windows and Linux where it is supported. If ACPI is "off", then IRQ assignments are handled by the BIOS which may actually be for the best for improperly documented hardware that might be very new and not as well supported via Open Source drivers.
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