Asus SABERTOOTH 990FX/GEN3 R2.0 - Manual (Page 90)

3-20 Chapter 3: BIOS setup
Chapter 3
ECC Mode [Enabled]
Allows you to enable or disable the Error Correcting Code (ECC) Mode.
Configuration options: [Enabled] [Disabled]
Power Down Enable [Disabled]
Allows you to enable or disable DDR power down mode.
Configuration options: [Enabled] [Disabled]
Memory Hole Remapping [Enabled]
Allows you to enable or disable Memory Hole Remapping function.
Configuration options: [Enabled] [Disabled]
DCT Unganged Mode [Enabled]
Allows you to select unganged DRAM mode (64-bit width).
[Enabled]: Ganged mode.
[Disabled]: Unganged mose.
Initiate Graphic Adapter [PEG/PCI]
Allows you to set which graphics controller to use as the primary boot device.
Configuration options: [PCI/PEG] [PEG/PCI]
ASUS Graphic Card Optimization [Auto]
[Auto] Allows you to set ASUS GEN3 graphic card’s maximum performance.
[Disabled] Allows you to disable the function and goes back to its default setting.