Intel
®
QuickPath Architecture System Address Decode Register Description
352 Datasheet, Volume 2
3.6.3 SAD_HEN
This register is for legacy Hole Enable.
Device: 0
Function: 1
Offset: 48h
Access as a Dword
Bit Type
Reset
Value
Description
31:8 RV 0 Reserved
7RW 0
HEN
This bit enables a memory hole in DRAM space. The DRAM that lies "behind"
this space is not remapped.
0 = No Memory hole.
1 = Memory hole from 15 MB to 16 MB.
6:0 RV 0 Reserved
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