Register Description
R
Intel® 82845 MCH for SDR Datasheet 79
3.5.39 SKPD—Scratchpad Data Register (Device 0)
Address Offset: DE–DFh
Default Value: 0000h
Access: R/W
Size: 16 bits
Bit Description
15:0 Scratchpad [15:0]. These bit s are R/W storage bits that have no effect on the MCH
functionality.
3.5.40 CAPID—Product Specific Capability Identifier Register (Device 0)
Address Offset: E4h
Default Value: 0104A009h
Access: RO
Size: 32 bits
Bit Descriptions
31 System Memory Capability.
0 = Component only supports SDR SDRAM memory; DRAM Type field is read-only. (default)
1 = Reserved
30 M obile Pow er Management Capability.
0 = Component is NOT capable of all mobile power management features and is limited to
desktop use only (default)
1 = Component is capable of all mobile power management features.
29:28 Reserved.
27:24 CAPID Version.
0001b = First revision of the CAPID register definition. (default)
23:16 CAPID Length.
04h = Indic at es a structure length of 4 bytes. (default)
15:8 Next Capability Pointer.
A0h = Points to the next Capability ID in this device (ACAPID register). (default)
7:0 CAP_ID.
1001b = Identifies the CAP_ID assigned by the PCI SIG for vendor dependent capability
pointers. (default)