User`s manual

BIOS Setup 3-25
PIRQ_1 Use IRQ No. ~ PIRQ_8 Use IRQ No.:
This item specifies the IRQ number manually or automatically for the devices installed on PCI slots.
For the relations between the hardware layout of PIRQ (the signals from the ICH chipset), INT# (means
PCI slot IRQ signals) and devices, please refer to the table below:
Signals
PCI
EXP1
LAN
PCI-
EX1
PCI-
EX2
PCI-
EX3
PCI-1 PCI-2
IEEE-
1394
PIRQ_1 Assignment INT A INT A INT A INT B INT C INT F INT G INT B
PIRQ_2 Assignment INT B INT G INT F INT C
PIRQ_3 Assignment INT C INT H INT E INT D
PIRQ_4 Assignment INT D INT E INT H INT A
PIRQ_5 Assignment
PIRQ_6 Assignment
PIRQ_7 Assignment
PIRQ_8 Assignment
User’s Manual