876784 Intel, 876784 Datasheet - Page 292

• Manufacturer Part Number: 876784
• Manufacturer: Intel

Specifications of 876784

• Lead Free Status / RoHS Status: Compliant

7.1.49
292
D28IR—Device 28 Interrupt Route Register
Offset Address: 3146–3147h
Default Value:
14:12
10:8
6:4
Bit
15
11
7
3
Reserved
Interrupt D Pin Route (IDR) — R/W. This field indicates which physical pin on the
Intel
0h = PIRQA#
1h = PIRQB#
2h = PIRQC#
3h = PIRQD# (Default)
4h = PIRQE#
5h = PIRQF#
6h = PIRQG#
7h = PIRQH#
NOTE: PIRQA#–PIRQD# are not on Ultra Mobile. Eventhough the register defaults to
Reserved
Interrupt C Pin Route (ICR) — R/W. This field indicates which physical pin on the
ICH7 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#
NOTE: PIRQA#–PIRQD# are not on Ultra Mobile. Eventhough the register defaults to
Reserved
Interrupt B Pin Route (IBR) — R/W. This field indicates which physical pin on the
ICH7 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#
NOTE: PIRQA#–PIRQD# are not on Ultra Mobile. Eventhough the register defaults to
Reserved
®
ICH7 is connected to the INTD# pin reported for device 28 functions.
a non-ICH7U pin routing, BIOS default sets the register for PIRQE#–PIRQH#.
a non-ICH7U pin routing, BIOS default sets the register for PIRQE#–PIRQH#.
a non-ICH7U pin routing, BIOS default sets the register for PIRQE#–PIRQH#.
3210h
Description
Size:
Attribute:
Chipset Configuration Registers
Intel
R/W
16-bit
®
ICH7 Family Datasheet