SB82371 Intel Corporation, SB82371 Datasheet - Page 58

• Manufacturer Part Number: SB82371
• Description: 82371FB (PIIX) AND 82371SB (PIIX3) PCI ISA IDE XCELERATOR
• Manufacturer: Intel Corporation

82371FB (PIIX) AND 82371SB (PIIX3)
2.4.11.
Address Offset:
Default Value:
Attribute:
This register indicates which PCI interrupt pin is used for the Universal Serial Bus module interrupt. The USB
interrupt is internally ORed to the interrupt controller with the PIRQD# signal.
2.4.12.
Address Offset:
Default Value:
Attribute:
This register contains the release of the Universal Serial Bus Specification with which this Universal Serial
Bus Host Controller module is compliant.
2.4.13.
Address Offset:
Default Value:
Attribute:
This 16-bit register provides miscellaneous control and status for the USB function..
58
7:3
2:0
15:1
0
7:0
Bit
Bit
Bit
INTRP INTERRUPT PIN (Function 2) (PIIX3)
SBRNUM SERIAL BUS RELEASE NUMBER (Function 2) (PIIX3)
MSTAT MISCELLANEOUS STATUS REGISTER (Function 2) (PIIX3)
Reserved
USB Clock Selection. 1=48 MHz. 0=24 MHz.
Reserved.
Serial Bus Module Interrupt Routing. This field is hardwired to 100b to select PIRQD#.
Serial Bus Specification Release Number. All other combinations are reserved.
Bits[7:0] Release Number
00h
10h
3Dh
04h
Read only
60h
00h
Read only
6A 6Bh
01h
Read/Write
Pre-release 1.0
Release 1.0
Description
Description
Description