SB82371 Intel Corporation, SB82371 Datasheet - Page 53

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

2.4.
2.4.1.
Address Offset:
Default Value:
Attribute:
The VID Register contains the vendor identification number. This register, along with the Device Identification
Register, uniquely identifies any PCI device. Writes to this register have no effect.
5:4
3:2
1:0
15:0
Bit
Bit
PCI Configuration Registers Universal Serial Bus (Function 2) (PIIX3
Only)
VID—VENDOR IDENTIFICATION REGISTER (Function 2) (PIIX3)
Vendor Identification Number. This is a 16-bit value assigned to Intel.
Secondary Drive 1 Recovery Time (SRTC1). This field selects the minimum number of
clocks between the last IORDY# sample point and the DIOx# strobe of the next cycle for the
slave drive on the secondary channel.
Bits[5:4]
Primary Drive 1 IORDY Sample Point (PISP1). This field selects the number of clocks
between DIOx# assertion and the first IORDY sample point for the slave drive on the primary
channel.
Bits[3:2]
Primary Drive 1 Recovery Time (PRTC1). This field selects the minimum number of clocks
between the last IORDY# sample point and the DIOx# strobe of the next cycle for the slave
drive on the primary channel.
Bits[1:0]
00
01
10
11
00
01
10
11
00
01
10
11
00–01h
8086h
Read Only
Number Of Clocks
Number Of Clocks
Number Of Clocks
4
3
2
1
4
3
2
1
5
4
3
2
Description
Description
82371FB (PIIX) AND 82371SB (PIIX3)
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