DRAM Controller Registers (D0:F0)
Bit
7:6
5:4
Access &
Default
Description
RO
00b
Reserved
RW
00b
0F0000h–0FFFFFh Attribute (HIENABLE): This field controls the
steering of read and write cycles that address the BIOS area from
0F0000h to 0FFFFFh.
00 = DRAM Disabled: All accesses are directed to DMI.
01 = Read Only: All reads are sent to DRAM. All writes are forwarded to
DMI.
10 = Write Only: All writes are sent to DRAM. Reads are serviced by
DMI.
11 = Normal DRAM Operation: All reads and writes are serviced by
DRAM.
3:0
RO
0h
Reserved
94
Datasheet
INTEL [ INTEL ]
