ASUS SABERTOOTH 990FX/GEN3 R2.0 3-19
Chapter 3
3.5.2 North Bridge Conguration

IOMMU [Disabled]

Allows you to enable or disable the input/output memory management unit (IOMMU)
Conguration options: [Enabled] [Disabled]
When the IOMMU is set to [Enabled], the following item appears:
IOMMU Mode [Disabled]
Allows you to set the IOMMU Mode that supports LINUX-based systems to convert
32bit I/O to 64-bit memory-mapped I/O.
Conguration options: [Disabled] [64MB]

Memory Conguration

Bank Interleaving [Auto]
Allows you to enable Memory Bank Interleaving function.
Conguration options: [Auto] [Disabled]
Channel Interleaving [Auto]
Allows you to enable Memory Channel Interleaving function.
Conguration options: [Auto] [Disabled]
Warm Boot RAM [Enabled]
Allows you to enable or disable the re-use of data in the RAM after a warm boot to
speed-up the boot process. Conguration options: [Enabled] [Disabled]
Memory Clear [Disabled]
Allows you to enable or disable the Memory Clear funtion.
Conguration options: [Enabled] [Disabled]
Main Ai Tweaker Advanced Monitor Boot Tool
Exit
Enabled/Disabled IOMMU
Back Advanced\ North Bridge >
UEFI BIOS Utility - Advanced Mode
North Bridge Conguration
IOMMU Disabled
> Memory Conguration
Initiate Graphic Adapter PEG/PCI
ASUS Graphic Card Optimization Auto
DIMM0: Not Present
DIMM1: size=2048 MB, speed=1066 MHz
DIMM2: Not Present
DIMM3: Not Present