82830MP Datasheet, PDF (84/159 Pages) Intel Corporation – Intel 830MP Chipset: 82830MP Graphics and Memory Controller Hub (GMCH-M)

Intel® 830MP Chipset
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4.5.2 HOST-AGP Bridge Registers - Device #1
Table 23 summarizes the GMCH-M configuration space for device #1.
Table 23. Host-AGP Bridge Configuration Space (Device #1)
Address Offset Register Symbol Register Name
Default Value
00-01h
02-03h
04-05h
06-07h
08
09
0Ah
0Bh+
0Ch
0Dh
0Eh
0F-17h
18h
19h
1Ah
1Bh
1Ch
1Dh
1E-1Fh
20-21h
22-23h
24-25h
26-27h
28-3Dh
3Eh
3Fh
40h
41-FFh
VID1
DID1
PCICMD1
PCISTS1
RID1
-
SUBC1
BCC1
-
MLT1
HDR1
-
PBUSN
SBUSN
SUBUSN
SMLT
IOBASE
IOLIMIT
SSTS
MBASE
MLIMIT
PMBASE
PMLIMIT
-
BCTRL
-
ERRCMD1
-
Vendor Identification
Device Identification
PCI Command Register
PCI Status Register
Revision Identification
Intel Reserved
Sub-Class Code
Base Class Code
Intel Reserved
Master Latency Timer
Header Type
Intel Reserved
Primary Bus Number
Secondary Bus Number
Subordinate Bus Number
Secondary Bus Master
Latency Timer
I/O Base Address Register
I/O Limit Address Register
Secondary Status Register
Memory Base Address
Register
Memory Limit Address
Register
Prefetchable Memory Base
Address Reg.
Prefetchable Memory Limit
Address Reg.
Intel Reserved
Bridge Control Register
Intel Reserved
Error Command
Intel Reserved
8086h
3576h
0000h
0020h
00h
-
04h
06h
-
00h
01h
-
00h
00h
00h
00h
F0h
00h
02A0h
FFF0h
0000h
FFF0h
0000h
-
00h
-
00h
-
Access
RO
RO
RO, R/W
RO, R/WC
RO
-
RO
RO
-
R/W
RO
-
RO
R/W
R/W
R/W
R/W
R/W
RO, R/WC
R/W
R/W
R/W
R/W
-
R/W
-
R/W
-
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Datasheet
298338-001