Chipset Configuration Registers
Bit
Description
PCI Express #3 Pin (P3IP) — R/W. Indicates which pin the PCI Express port #3
drives as its interrupt.
0h = No interrupt
1h = INTA#
2h = INTB#
11:8
3h = INTC# (Default)
4h = INTD#
5h-7h = Reserved
PCI Express #2 Pin (P2IP) — R/W. Indicates which pin the PCI Express port #2
drives as its interrupt.
0h = No interrupt
1h = INTA#
2h = INTB# (Default)
3h = INTC#
4h = INTD#
5h-7h = Reserved
7:4
3:0
PCI Express #1 Pin (P1IP) — R/W. Indicates which pin the PCI Express port #1
drives as its interrupt.
0h = No interrupt
1h = INTA# (Default)
2h = INTB#
3h = INTC#
4h = INTD#
5h-7h = Reserved
10.1.58 D27IP—Device 27 Interrupt Pin Register
Offset Address: 3110–3113h
Attribute:
Size:
R/W
32-bit
Default Value:
00000001h
Bit
Description
31:4
3:0
Reserved
Intel® High Definition Audio Pin (ZIP) — R/W. Indicates which pin the Intel High
Definition Audio controller drives as its interrupt.
0h = No interrupt
1h = INTA# (Default)
2h = INTB#
3h = INTC#
4h = INTD#
5h-Fh = Reserved
332
Datasheet
INTEL [ INTEL ]
