Asus Z9PE-D16-10G/DUAL - Manual (Page 84)

4-16 Chapter 4: BIOS setup
Memory Configuration
Compatibility RID [Enabled]
Support for compatibility revision ID (CRID) functionality mentioned in Sandybridge BIOS
spec. Configuration options: [Enabled] [Disabled]
Memory Mode [Independent]
Select the mode for memory initializaton.
Configuration options: [Independent] [Mirroring] [Lock Step] [Sparing]
DDR Speed [Auto]
Force DDR speed.
Configuration options: [Auto] [Force DDR3 800] [Force DDR3 1066] [Force DDR3 1333]
[Force DDR3 1600] [Force DDR3 1866]
Channel Interleaving [Auto]
Select different channel interleaving setting.
Configuration options: [Auto] [1 Way] [2 Way] [3 Way] [4 Way]
Rank Interleaving [Auto]
Select different rank interleaving setting.
Configuration options: [Auto] [1 Way] [2 Way] [4 Way] [8 Way]
Patrol Scrub [Disabled]
Allows you to enable/disable Patrol Scrub.
Configuration options: [Disabled] [Enabled]
Demand Scrub [Enabled]
Allows you to enable/disable demand scrubing feature.
Configuration options: [Enabled] [Disabled]