Format of PCI Configuration for Intel 82371FB/82371SB Function 0 (ISA Bridge) |
| Offset | Size | Description | |||
|---|---|---|---|---|---|
|
00h |
64 BYTEs |
header (see #00878) (vendor ID 8086h, device ID 122Eh/7000h) (revision ID 00h = 82371SB step A-1) (revision ID 01h = 82371SB step B-0) |
|||
|
40h |
12 BYTEs |
reserved | |||
|
4Ch |
BYTE |
ISA I/O Controller Recovery Timer (see #01087) | |||
|
4Dh |
BYTE |
reserved | |||
|
4Eh |
BYTE |
X-Bus Chip Select Enable (see #01089) | |||
|
4Fh |
BYTE |
(82371SB) X-Bus Chip Select Enable High (see #01102)
|
|||
|
4Fh |
BYTE |
(82371FB) reserved | |||
|
50h |
16 BYTEs |
reserved | |||
|
60h |
4 BYTEs |
PCI IRQ Route Control (see #01076) | |||
|
64h |
5 BYTEs |
reserved | |||
|
69h |
BYTE |
top of memory (see #01216) | |||
|
6Ah |
WORD |
miscellaneous status (see #01217) | |||
|
6Ch |
4 BYTEs |
reserved | |||
|
70h |
BYTE |
motherboard IRQ Route Control 0 (see #01218) | |||
|
71h |
BYTE |
(82371FB) motherboard IRQ Route Control 1 (see #01218) | |||
|
72h |
4 BYTEs |
reserved | |||
|
76h |
2 BYTEs |
motherboard DMA control (see #01219) | |||
|
78h |
WORD |
programmable chip select control (see #01220) | |||
|
7Ah |
6 BYTEs |
reserved | |||
|
80h |
BYTE |
(82371SB) APIC Base Address Relocation (see #01078) | |||
|
81h |
BYTE |
reserved | |||
|
82h |
BYTE |
(82371SB) Deterministic Latency Control (see #01221) | |||
|
83h |
29 BYTEs |
reserved | |||
|
A0h |
BYTE |
SMI Control (see #01222) | |||
|
A1h |
BYTE |
reserved | |||
|
A2h |
WORD |
SMI Enable (see #01080) | |||
|
A4h |
DWORD |
System Event Enable (SEE) (see #01081) | |||
|
A8h |
BYTE |
Fast-Off Timer (in minutes, PCICLKs, or milliseconds) value is count less one; timer must be stopped before changing its value |
|||
|
A9h |
BYTE |
reserved | |||
|
AAh |
WORD |
SMI Request (see #01082) | |||
|
ACh |
BYTE |
Clock Scale STPCLK# Low Timer STPCLK# stays low for 1+1056*(value+1) PCICLKs |
|||
|
ADh |
BYTE |
reserved | |||
|
AEh |
BYTE |
Clock Scale STPCLK# High Timer STPCLK# stays high for 1+1056*(value+1) PCICLKs |
|||
|
AFh |
81 BYTEs |
reserved |
|
See Also: |