Hub Datasheet

138 Intel
®
E7505 Chipset MCH Datasheet
Register Description
3.9.8 HDR—Header Type Register (D2:F1)
Address Offset: 0Eh
Default Value: 00h
Sticky No
Attribute: RO
Size: 8 bits
3.9.9 SVID—Subsystem Vendor Identification Register (D2:F1)
Address Offset: 2C–2Dh
Default Value: 0000h
Sticky No
Attribute: R/WO
Size: 16 bits
This value is used to identify the vendor of the subsystem.
3.9.10 SID—Subsystem Identification Register (D2:F1)
Address Offset: 02E–2Fh
Default Value: 0000h
Sticky No
Attribute: R/WO
Size: 16 bits
This value is used to identify a particular subsystem.
Bits
Default,
Access
Description
7:0
00h
RO
PCI Header (HDR). Reads and writes to this location have no effect.
Bits
Default,
Access
Description
15:0
0000h
R/WO
Subsystem Vendor ID (SUBVID). This field should be programmed during boot-up
to indicate the vendor of the system board. After it has been written once, it becomes
read only.
Bits
Default,
Access
Description
15:0
0000h
R/WO
Subsystem ID (SUBID). This field should be programmed during BIOS initialization.
After it has been written once, it becomes read only.