Intel 460GX - Base Address; SVID: Subsystem Vendor Identification; SID: Subsystem ID; Interrupt Line

Intel® 460GX Chipset Software Developer’s Manual 8-7
WXB Hot-Plug
Bits Description
7 Multi-function Device
Selects whether this is a multi-function device, that may have alternative configuration
layouts. The IHPC is not a multifunction device. Hardwired Value = 0.
6:0 Configuration Layout
This field identifies the format of the 10h through 3Fh space. This field specifies the
“standard” or “default” PCI configuration layout. Hardwired Value = 00h
8.1.11 Base Address
Address Offset: 10h-13h Size: 32 bits
Default Value: 00000000h Attribute: Read/Write, Read-Only
This is a standard PCI configuration register which provides power-up software with the ability to
build a consistent address map before booting the machine.
Bits
Description
31:8 Base Address
Read/Write.
7:4 Indicate 256-byte Address Space Requested
Hardwired Value = 0h.
3 Not Prefetchable
Hardwired Value = 0.
2:1 Type: Located anywhere in 32-bit address space.
Hardwired Value = 00.
0 Memory Space Indicator
Hardwired Value = 0.
8.1.12 SVID: Subsystem Vendor Identification
Address Offset: 2Ch –2Dh Size: 16 bits
Default Value: 0000h Attributes: Write-Once (Pwr Good Reset Only)
See PCI Specification, Revision 2.2.
8.1.13 SID: Subsystem ID
Address Offset: 2Eh - 2Fh Size: 16 bits
Default Value: 0000h Attributes: Write-Once (Pwr Good Reset Only)
See PCI Specification, Revision 2.2.
8.1.14 Interrupt Line
Address Offset: 3Ch Size: 8 bits
Default Value: FFh Attribute: Read-Write (Pwr Good Reset Only)