82371FB Datasheet, PDF (26/122 Pages) Intel Corporation – 82371FB (PIIX) AND 82371SB (PIIX3) PCI ISA IDE XCELERATOR

82371FB (PIIX) AND 82371SB (PIIX3)
E
Table 4. PCI Configuration Registers—Function 2 (Universial Serial Bus Interface) (PIIX3 Only)
Configuration
Offset
Mnemonic
Register
Register
Access
00–01h
VID
Vendor Identification
RO
02–03h
DID
Device Identification
RO
04–05h
PCICMD
Command
R/W
06–07h
PCISTS
Device Status
R/WC
08h
RID
Revision Identification
RO
09−0Bh
CLASSC
Class Code
RO
0Ch
—
Reserved
—
0Dh
LATTMR
Latency Timer
R/W
0Eh
HEDT
Header Type
RO
0F–19h
—
Reserved
—
20–23h
BASEADD
IO Space Base Address
R/W
24–3Bh
—
Reserved
—
3Ch
IL
Interrupt Line
R/W
3Dh
INTRP
Interrupt Pin
RO
3E–5Fh
—
Reserved.
—
60h
SBRNUM
Serial Bus Release Number
RO
61–69h
—
Reserved
—
6A–6Bh
MSTAT
Miscellaneous Status
R/W
6C–BFh
—
Reserved
—
C0–C1h
LEGSUP
Legacy Support
R/WC
C2–FFh
—
Reserved
—
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