PCI Express* Registers (D1:F0)
6.1.27
SS_CAPID—Subsystem ID and Vendor ID Capabilities
B/D/F/Type:
Address Offset:
Default Value:
Access:
0/1/0/PCI
88–8Bh
0000800Dh
RO
Size:
32 bits
This capability is used to uniquely identify the subsystem where the PCI device
resides. Because this device is an integrated part of the system and not an add-in
device, it is anticipated that this capability will never be used. However, it is necessary
because Microsoft will test for its presence.
Bit
Access &
Default
Description
31:16
Reserved
RO
0000h
15:8
7:0
Pointer to Next Capability (PNC): This contains a pointer to the
next item in the capabilities list which is the PCI Power Management
capability.
RO
80h
Capability ID (CID): Value of 0Dh identifies this linked list item
(capability structure) as being for SSID/SSVID registers in a PCI-to-
PCI Bridge.
RO
0Dh
6.1.28
SS—Subsystem ID and Subsystem Vendor ID
B/D/F/Type:
Address Offset:
Default Value:
Access:
0/1/0/PCI
8C–8Fh
00008086h
RWO
Size:
32 bits
System BIOS can be used as the mechanism for loading the SSID/SVID values. These
values must be preserved through power management transitions and a hardware
reset.
Bit
Access &
Default
Description
31:16
Subsystem ID (SSID): Identifies the particular subsystem and is
assigned by the vendor.
RWO
0000h
15:0
Subsystem Vendor ID (SSVID): Identifies the manufacturer of the
subsystem and is the same as the vendor ID which is assigned by
the PCI Special Interest Group.
RWO
8086h
Datasheet
185
INTEL [ INTEL ]
