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Chapter 7: BIOS
7-13
Enhanced x8 Detection
Select Enabled to enable Enhanced x8 DRAM UC Error Detection. The options
are Disabled and Enabled.
Demand Scrubbing
Scrubbing is a process that allows the North Bridge to correct correctable
memory errors found on an FBD memory module. When the CPU or I/O issues
a demand read command, and the read data from memory turns out to be a cor-
rectable ECC, it is corrected and sent to the original source. Memory is updated
as well. Select Enabled to use Demand Scrubbing for ECC memory correction.
The options are Enabled and Disabled.
High Temperature DRAM Operation
When set to Enabled, the BIOS will refer to the SPD table to set the maximum
DRAM temperature. If disabled, the BIOS will set the maximum DRAM tempera-
ture based on a predefi ned value. The options are Enabled and Disabled.
AMB Thermal Sensor
Select Enabled to activate the thermal sensor embedded in the Advanced
Memory Buffer on a fully buffered memory module for thermal monitoring. The
options are Disabled and Enabled.
Thermal Throttle
Select Enabled to enable closed-loop thermal throttling on a fully buffered (FBD)
memory module. In the closed-loop thermal environment, thermal throttling will be
activated when the temperature of the FBD DIMM module exceeds a predefi ned
threshold. The options are Enabled and Disabled.
Global Activation Throttle
Select Enabled to enable open-loop global thermal throttling on a fully buffered
(FBD) memory module to make it active whenever the number of activate control
exceeds a predefi ned number. The options are Enabled and Disabled.
Force ITK Confi guration Clocking
Select Enabled to confi gure FBD clock settings to support ITK testing. The op-
tions are Disabled and Enabled.
Reserved Branch for ITK Test
This feature allows the user to specify the memory branch number to be reserved
for ITK testing. The default setting is Branch 1.