Hardware Owner's Manual

Using the System Setup Program 45
IRQ Assignment Conflicts
Most PCI devices can share an IRQ with another device, but they cannot use
an IRQ simultaneously. To avoid this type of conflict, see the documentation
for each PCI device for specific IRQ requirements.
8101 Warning! USB Host Controller not found at the specified
address!!!
WARNING
8102 Error! USB device failed to initialize!!! WARNING
8103 Warning! Unsupported UBS device found and disabled!!! WARNING
8104 Warning! Port 60h/64h emulation is not supported by this
USB Host Controller!!!
WARNING
8105 Warning! EHCI controller disabled. It requires 64-bit data
support in the BIOS.
Pause
8400 Warning!! Insufficient memory! Remote access is disabled. WARNING
8601 Error: BMC Not Responding Pause
8701 Insufficient Runtime space for MPS data!!! System may
operate in PIC or Non-MPS mode.
Pause
8702 No enough APIC ID in range 0-0Fh can be assigned to IO
APICs. (Re-assigning CPUs' local APIC ID may solve this
issue) MPS Table is not built! System may operate in PIC
or Non-MPS mode.
Pause
IRQ Line Assignment IRQ Line Assignment
IRQ0 System timer IRQ8 Real-time clock
IRQ1 Keyboard controller IRQ9 ACPI functions (used for
power management)
IRQ2 Interrupt controller 1 to
enable IRQ8 through
IRQ15
IRQ10 Available
IRQ3 Default for COM2 IRQ11 Available
IRQ4 Default for COM1 IRQ12 Available
IRQ5 Remote access
controller
IRQ13 Math coprocessor
IRQ6 Reserved IRQ14 IDE CD drive controller
IRQ7 Reserved IRQ15 Available