876784 Intel, 876784 Datasheet - Page 291
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876784
Manufacturer Part Number
876784
Description
Manufacturer
Intel
Datasheet
1.876784.pdf
(848 pages)
Specifications of 876784
Lead Free Status / RoHS Status
Compliant
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Chipset Configuration Registers
Intel
®
ICH7 Family Datasheet
6:4
2:0
Bit
3
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 29 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
Interrupt A Pin Route (IAR) — R/W. This field indicates which physical pin on the
ICH7 is connected to the INTA# pin reported for device 29 functions.
0h = PIRQA# (Default)
1h = PIRQB#
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
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#.
Description
291
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