307013-003 Datasheet, PDF (361/848 Pages) Intel Corporation – Intel I/O Controller Hub 7

PCI-to-PCI Bridge Registers (D30:F0)
9.1.24
SVCAP—Subsystem Vendor Capability Register
(PCI-PCI—D30:F0)
Offset Address: 50h–51h
Default Value: 000Dh
Attribute:
Size:
RO
16 bits
9.1.25
Bit
Description
15:8
7:0
Next Capability (NEXT) — RO. Value of 00h indicates this is the last item in the list.
Capability Identifier (CID) — RO. Value of 0Dh indicates this is a PCI bridge subsystem
vendor capability.
SVID—Subsystem Vendor IDs Register (PCI-PCI—D30:F0)
Offset Address: 54h–57h
Default Value: 00000000h
Attribute:
Size:
R/WO
32 bits
Bit
Description
Subsystem Identifier (SID) — R/WO. This field indicates the subsystem as identified
31:16 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).
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Intel ^® ICH7 Family Datasheet
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