876784 Intel, 876784 Datasheet - Page 653
876784
Manufacturer Part Number
876784
Description
Manufacturer
Intel
Datasheet
1.876784.pdf
(848 pages)
Specifications of 876784
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AC ’97 Modem Controller Registers (D30:F3) (Desktop and Mobile Only)
17.1.15
17.1.16
17.1.17
Intel
®
ICH7 Family Datasheet
INT_LN—Interrupt Line Register (Modem—D30:F3)
Address Offset: 3Ch
Default Value:
Lockable:
This register indicates which PCI interrupt line is used for the AC ’97 module interrupt.
INT_PIN—Interrupt Pin Register (Modem—D30:F3)
Address Offset: 3Dh
Default Value:
Lockable:
This register indicates which PCI interrupt pin is used for the AC ’97 modem interrupt.
The AC ’97 interrupt is internally OR’d to the interrupt controller with the PIRQB#
signal.
PID—PCI Power Management Capability Identification
Register (Modem—D30:F3)
Address Offset: 50h
Default Value:
Lockable:
15:8
7:0
7:3
2:0
7:0
Bit
Bit
Bit
Interrupt Line (INT_LN) — R/W. This data is not used by the Intel
communicate to software the interrupt line that the interrupt pin is connected to.
Reserved
Interrupt Pin (INT_PN) — RO. This reflects the value of D30IP.AMIP in chipset
configuration space.
Next Capability (NEXT) — RO. This field indicates that this is the last item in the list.
Capability ID (CAP) — RO. This field indicates that this pointer is a message signaled
interrupt capability.
00h
No
See description
No
0001h
No
Description
Description
Description
Attribute:
Size:
Power Well:
Attribute:
Size:
Power Well:
Attribute:
Size:
Power Well:
R/W
8 bits
Core
RO
8 bits
Core
RO
16 bits
Core
®
ICH7. It is used to
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