RG82845M Intel, RG82845M Datasheet - Page 84

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

Intel
3.7.39.
3.7.40.
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82845MP/82845MZ Chipset-Mobile (MCH-M)
Address Offset:
Address Offset:
SKPD – Scratchpad Data – Device #0
Default Value:
Access:
Size:
CAPID – Product Specific Capability Identifier
Default Value:
Access:
Size:
31
30
29
28
27:24
23:16
15:8
7:0
15:0
Bit
Bit
0 = Component supports 200-MHz DDR memory system, will support up to 512 MB of physical
memory.
Scratchpad [15:0]. These bits are simply R/W storage bits that have no affect on the MCH-M
functionality.
Dual Data Rate System Memory Capability
1 = Component supports Dual Data Rate (DDR) SDRAM memory.
Mobile Power Management Capability:
1 = Component is capable of all Mobile Power Management features.
0 = Component is NOT capable of all Mobile Power Management features
Reserved
System Memory Capability
1 = Component supports up to a 266-MHz DDR memory system, and more than 512 MB of maximum
physical memory.
CAPID Version: This field has the value 0001b to identify the first revision f the CAPID register
definition.
CAPID Length: This field has the value 04h to indicate the structure length (4 bytes).
Next Capability Pointer: This field has the value A0h to point to the next Capability ID in this device
(ACAPID – AGP Capability ID Register).
CAP_ID: This field has the value 1001b to identify the CAP_ID assigned by the PCI SIG for vendor
dependent capability pointers.
DE-DFh
0000h
Read/Write
16 bits
E4h
B104A009h
Read Only
32 bits
Datasheet
Description
Description
250687-002
R