Specification Sheet

Datasheet, Volume 2 of 2 381
PCI Express* Controller (x16) Registers
12.28 Subsystem ID and Subsystem Vendor ID (SS)—
Offset 8Ch
System BIOS can be used as the mechanism for loading the SSID/SVID values. These
values should be preserved through power management transitions and a hardware
reset.
Access Method
Default: 8086h
3
1
2
8
2
4
2
0
1
6
1
2
8 4 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1
RSVD
PNC
CID
Bit
Range
Default &
Access
Field Name (ID): Description
31:16
0h
RO
Reserved (RSVD): Reserved.
15:8
80h
RO
PNC: Pointer to Next Capability: This contains a pointer to the next item in the
capabilities list which is the PCI Power Management capability.
7:0
Dh
RO
CID: Capability ID: Value of 0Dh identifies this linked list item (capability structure) as
being for SSID/SSVID registers in a PCI-to-PCI Bridge.
Type: CFG
(Size: 32 bits)
Offset: [B:0, D:1, F:0] + 8Ch
3
1
2
8
2
4
2
0
1
6
1
2
8 4 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 1 1 0
SSID
SSVID
Bit
Range
Default &
Access
Field Name (ID): Description
31:16
0h
RW_O
SSID: Subsystem ID: Identifies the particular subsystem and is assigned by the
vendor.
15:0
8086h
RW_O
SSVID: Subsystem Vendor ID: Identifies the manufacturer of the subsystem and is
the same as the vendor ID which is assigned by the PCI Special Interest Group.