82NM10 Datasheet, PDF (642/671 Pages) Intel Corporation – Intel® NM10 Family Express Chipset

PCI Express* Configuration Registers
19.1.38 MD—Message Signaled Interrupt Message Data Register
(PCI Express—D28:F0/F1/F2/F3)
Address Offset: 88h–89h
Default Value: 0000h
Attribute:
Size:
R/W
16 bits
Bit
Description
15:0
Data (DATA) — R/W. This 16-bit field is programmed by system software if MSI is
enabled. Its content is driven onto the lower word (PCI AD[15:0]) during the data
phase of the MSI memory write transaction.
19.1.39 SVCAP—Subsystem Vendor Capability Register
(PCI Express—D28:F0/F1/F2/F3)
Address Offset: 90h–91h
Default Value: A00Dh
Attribute:
Size:
RO
16 bits
Bit
Description
15:8
7:0
Next Capability (NEXT) — RO. This field indicates the location of the next pointer in
the list.
Capability Identifier (CID) — RO. Value of 0Dh indicates this is a PCI bridge
subsystem vendor capability.
19.1.40 SVID—Subsystem Vendor Identification Register
(PCI Express—D28:F0/F1/F2/F3)
Address Offset: 94h–97h
Default Value: 00000000h
Attribute:
Size:
R/WO
32 bits
Bit
Description
31:16 Subsystem Identifier (SID) — R/WO. This field indicates the subsystem as identified
by the vendor. This field is write once and is locked down until a bridge reset occurs
(not the PCI bus reset).
15:0
Subsystem Vendor Identifier (SVID) — R/WO. This field indicates the manufacturer
of the subsystem. This field is write once and is locked down until a bridge reset occurs
(not the PCI bus reset).
19.1.41 PMCAP—Power Management Capability Register
(PCI Express—D28:F0/F1/F2/F3)
Address Offset: A0h–A1h
Default Value: 0001h
Attribute:
Size:
RO
16 bits
Bit
Description
15:8
7:0
Next Capability (NEXT) — RO. This field indicates that this is the last item in the list.
Capability Identifier (CID) — RO. Value of 01h indicates this is a PCI power
management capability.
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