Chipset Configuration Registers
10.1.64 D28IR—Device 28 Interrupt Route Register
Offset Address: 3146–3147h
Attribute:
Size:
R/W
16-bit
Default Value:
3210h
Bit
Description
15
14:12
11
Reserved
Interrupt D Pin Route (IDR) — R/W. Indicates which physical pin on the Intel ICH
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. 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#
10:8
5h = PIRQF#
6h = PIRQG#
7h = PIRQH#
7
Reserved
Interrupt B Pin Route (IBR) — R/W. 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#
6:4
5h = PIRQF#
6h = PIRQG#
7h = PIRQH#
3
Reserved
Interrupt A Pin Route (IAR) — R/W. 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#
2:0
5h = PIRQF#
6h = PIRQG#
7h = PIRQH#
Datasheet
337
INTEL [ INTEL ]
