2 north bridge configuration, North bridge configuration -15, Chapter 3 – Asus M5A97 EVO User Manual
Page 79: Iommu mode [disabled, Initiate graphic adapter [peg/pci
ASUS M5A97 EVO
3-15
Chapter 3
3.5.2
North Bridge Configuration
Main
Ai Tweaker
Advanced
Monitor
Boot
Tool
Exit
IOMMU is supported on LINUX based
systems to convert 32bit I/O to 64bit
MMIO.
Back
Advanced\
North Bridge Configuration >
UEFI BIOS Utility - Advanced Mode
IOMMU Mode [Disabled]
IOMMU is supported on LINUX based systems to convert 32bit I/O to 64bit MMIO.
Configuration options: [Disabled] [64MB]
Memory Configuration
Bank Interleaving [Auto]
Configuration options: [Aute] [Disabled]
Channel Interleaving [Auto]
Configuration options: [Aute] [Disabled]
ECC Mode [Enable]
Enables or disables the DRAM ECC mode that allows the hardware to report and
correct memory errors.
[Disabled] Disables the DRAM ECC mode.
[Enable] Set to [Enable] to adjust ECC mode automatically.
Power Down Enable [Disabled]
Enables or disables the DDR power down mode.
Configuration options: [Disabled] [Enabled]
Memory Hole Remapping [Enabled]
Configuration options: [Disabled] [Enabled]
DCT Unganged Mode [Enabled]
Configuration options: [Disabled] [Enabled]
Initiate Graphic Adapter [PEG/PCI]
Allows you to decide which graphics controller to use as the primary boot device.
Configuration options: [PCI/PEG] [PEG/PCI]
North Bridge Configuration
IOMMU Mode
Disabled
> Memory Configuration
Initate Graphic Adapter
PEG/PCI
Memory Information
Total Memory: 4096MB (DDR3)