Asus Crosshair IV Extreme Manual page 112

ECC Configuration
BIOS SETUP UTILITY
Advanced
ECC Configuration
ECC Mode
DRAM ECC Enable
DRAM SCRUB REDIRECT
4-Bit ECC Mode
DRAM BG Scrub
Data Cache BG Scrub
L2 Cache BG Scrub
L3 Cache BG Scrub
ECC Mode [Disabled]
Allows you to set the level of ECC protection.
Configuration options: [Disabled] [Basic] [Good] [Super] [Max] [User]
The following items become user-configurable when you set ECC Mode to
[User]
DRAM ECC Enable �Enabled�
[Enabled
[Disabled] Disables this function.
DRAM SCRUB REDIRECT �Disabled�
[Enabled]
[Disabled] Disables this function.
4-Bit ECC Mode �Disabled�
[Enabled]
[Disabled] Disables this function.
DRAM BG Scrub �1.31ms�
Disables or sets the DRAM BG Scrub.
Configuration options: [1.31ms] [2.62ms] [5.24ms] [10.49ms] [20.97ms] [42.00ms]
[84.00ms]
Data Cache BG Scrub �Disabled�
Disables or sets the Data Cache BG Scrub. This item allows the data cache BG
Scrub 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]
3-24
[Disabled]
[Disabled]
[Disabled]
[Disabled]
[1.31ms]
[Disabled]
[Disabled]
[Disabled]
Enables the DRAM ECC that allows the hardware to report and correct
memory errors automatically.
Allows the system to correct the DRAM ECC errors immediately when
they occur.
Enables ECC chip kill feature.
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Set the level of ECC
protection. Note:
The 'Super' ECC mode
dynamically sets
the DRAM scrub rate
so all of memory is
scrubbed in 8 hours.
Chapter 3: BIOS Setup
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