301467-005 Datasheet, PDF (146/426 Pages) Intel Corporation – Express Chipset

Host-PCI Express* Bridge Registers (D1:F0)
(Intel® 82915G/82915P/82915PL Only)
R
8.1.25
SS_CAPID—Subsystem ID and Vendor ID Capabilities
(D1:F0)
PCI Device:
Address Offset:
Default Value:
Access:
Size:
1
88h
0000800Dh
RO
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
31:16
15:8
7:0
Access &
Default
Description
RO
80h
RO
0D h
Reserved
Pointer to Next Capability: This field contains a pointer to the next item in the
capabilities list which is the PCI Power Management capability.
Capability ID: A value of 0Dh identifies this linked list item (capability structure)
as being for SSID/SSVID registers in a PCI-to-PCI Bridge.
8.1.26
SS—Subsystem ID and Subsystem Vendor ID (D1:F0)
PCI Device:
Address Offset:
Default Value:
Access:
Size:
1
8Ch
00008086h
RO
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 hardware reset.
Bit
31:16
15:0
Access &
Default
R/WO
0000h
R/WO
8086h
Description
Subsystem ID (SSID): This field identifies the particular subsystem and is
assigned by the vendor.
Subsystem Vendor ID (SSVID): This field identifies the manufacturer of the
subsystem and is the same as the vendor ID that is assigned by the PCI Special
Interest Group.
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Datasheet