Asus Crosshair IV Extreme Manual page 113

L2 Cache BG Scrub �Disabled�
Disables or sets the L2 Cache BG Scrub. This item allows the cache RAM to be
corrected when idle.
Configuration options: [Disabled] [40ns] [80ns] [160ns] [320ns] [640ns] [1.28us]
[2.56us] [5.12us] [10.2us] [20.5us] [41.0us] [81.9us] [163.8us] [327.7us] [655.4us]
[1.31ms] [2.62ms] [5.24ms] [10.49ms] [20.97ms] [42.00ms] [84.00ms]
L3 Cache BG Scrub �Disabled�
Disables or sets the L3 Cache BG Scrub. This item allows the cache RAM to be
corrected when idle.
Configuration options: [Disabled] [40ns] [80ns] [160ns] [320ns] [640ns] [1.28us]
[2.56us] [5.12us] [10.2us] [20.5us] [41.0us] [81.9us] [163.8us] [327.7us] [655.4us]
[1.31ms] [2.62ms] [5.24ms] [10.49ms] [20.97ms] [42.00ms] [84.00ms]
Primary Display Adapter �PCI-E�
Allows you to select the graphics controller as the primary boot device.
Configuration options: [PCI-E] [PCI]
IOMMU �Disabled�
Configuration options: [Disabled] [Enabled]
ROG Crossfire IV Extreme 3-25