RG82845M Intel, RG82845M Datasheet - Page 85

• Manufacturer Part Number: RG82845M
• Description: Chipset Memory Controller Hub Mobile
• Manufacturer: Intel

3.8.
250687-002
Table 24. Nomenclature for Access Attributes
Table 25. MCH-M Configuration Space - Device #1
R
AGP Bridge Registers – Device #1
Table 24 shows the access attributes for configuration space.
Table 25 summarizes the MCH-M configuration space for Device #1.
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
Address Offset
R/WC
R/W
RO
Read Only. If a register is read only, writes to this register have no effect.
Read/Write. A register with this attribute can be read and written.
Read/Write Clear. A register bit with this attribute can be read and written. However, a write of a 1
clears (sets to 0) the corresponding bit and a write of a 0 has no effect.
VID1
DID1
PCICMD1
PCISTS1
RID1
SUBC1
BCC1
MLT1
HDR1
PBUSN1
SBUSN1
SUBUSN1
SMLT1
IOBASE1
IOLIMIT1
SSTS1
MLIMIT1
MBASE1
PMBASE1
Register Symbol
Vendor Identification
Device Identification
PCI Command Register
PCI Status Register
Revision Identification
Reserved
Sub-Class Code
Base Class Code
Reserved
Master Latency Timer
Header Type
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.
Datasheet
Intel
Register Name
®
82845MP/82845MZ Chipset-Mobile (MCH-M)
8086h
1A31hh
0000h
00A0h
Silicon Revision
04h
06h
00h
01h
00h
00h
00h
00h
F0h
00h
02A0h
FFF0h
0000h
FFF0h
Default Value
RO
RO
RO, R/W
RO, R/WC
RO
RO
RO
RO, R/W
RO
RO
R/W
R/W
RO, R/W
RO, R/W
RO, R/W
RO, R/WC
RO, R/W
RO, R/W
RO, R/W
Access
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