82801FB Datasheet, PDF (271/786 Pages) Intel Corporation – Intel I/O Controller Hub 6 (ICH6) Family

Chipset Configuration Registers
7.1.49
D28IR—Device 28 Interrupt Route Register
Offset Address: 3146–3147h
Default Value: 3210h
Attribute:
Size:
R/W
16-bit
Bit
15
14:12
11
10:8
7
6:4
3
2:0
Description
Reserved
Interrupt D Pin Route (IDR) — R/W. This field indicates which physical pin on the Intel^® ICH6 is
connected to the INTD# pin reported for device 28 functions.
0h = PIRQA#
1h = PIRQB#
2h = PIRQC#
3h = PIRQD# (Default)
4h = PIRQE#
5h = PIRQF#
6h = PIRQG#
7h = PIRQH#
Reserved
Interrupt C Pin Route (ICR) — R/W. This field indicates which physical pin on the ICH is
connected to the INTC# pin reported for device 28 functions.
0h = PIRQA#
1h = PIRQB#
2h = PIRQC# (Default)
3h = PIRQD#
4h = PIRQE#
5h = PIRQF#
6h = PIRQG#
7h = PIRQH#
Reserved
Interrupt B Pin Route (IBR) — R/W. This field indicates which physical pin on the ICH is
connected to the INTB# pin reported for device 28 functions.
0h = PIRQA#
1h = PIRQB# (Default)
2h = PIRQC#
3h = PIRQD#
4h = PIRQE#
5h = PIRQF#
6h = PIRQG#
7h = PIRQH#
Reserved
Interrupt A Pin Route (IAR) — R/W. This field indicates which physical pin on the ICH is
connected to the INTA# pin reported for device 28 functions.
0h = PIRQA# (Default)
1h = PIRQB#
2h = PIRQC#
3h = PIRQD#
4h = PIRQE#
5h = PIRQF#
6h = PIRQG#
7h = PIRQH#
Intel^® I/O Controller Hub 6 (ICH6) Family Datasheet
271