Usbba-Usb I/O Space Base Address (Function 2); Svid-Subsystem Vendor Id (Function 2); Sid-Subsystem Id (Function 2); Intln-Interrupt Line Register (Function 2) - Intel 460GX Software Developer’s Manual

13.2.9 USBBA–USB I/O Space Base Address (Function 2)
Address Offset:
Default Value:
Attribute:
This register contains the base address of the USB I/O Registers.
Bit
31:16
15:5
4:1
0
13.2.10 SVID–Subsystem Vendor ID (Function 2)
Address:
Default Value:
Attribute:
Bit
15:0
13.2.11 SID–Subsystem ID (Function 2)
Address:
Default Value:
Attribute:
Bit
15:0
13.2.12 INTLN–Interrupt Line Register (Function 2)
Address Offset:
Default Value:
Attribute:
Software programs this register with interrupt information concerning the USB.
Bit
7:0
Intel® 460GX Chipset Software Developer's Manual
20-23h
00000001h
Read/Write
Reserved. Hardwired to 0s. Must be written as 0S.
Index Register Base Address. Bits [15:5] correspond to I/O address signals AD [15:5],
respectively.
Reserved. Read as 0.
Resource Type Indicator (RTE)–RO. This bit is hardwired to 1 indicating that the base address
field in this register maps to I/O space.
2C-2Dh
0000h
Read only
Subsystem Vendor ID.
2E-2Fh
0000h
Read only
Subsystem ID.
3Ch
00h
Read/Write
Interrupt Line. The value in this register has no affect on IFB hardware operations.
Universal Serial Bus (USB) Configuration
Description
Description
Description
Description
13-5