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Branch 0 Rank Interleaving/Branch 1 Rank Interleaving
Select enable to enable Interleaved Memory for Memory Bus Branch 0 Rank or
Branch 1 Rank. The options for Memory Interleaving are 1:1, 2:1 and 4:1.
Enhanced x8 Detection
Select Enabled to enable Enhanced x8 DRAM UC Error Detection. The options
are Disabled and Enabled.
Patrol Scrubbing
Scrubbing is a process that allows the North Bridge to correct correctable memory
errors found on FBD memory modules. Select Enabled to use Patrol Scrubbing,
a background ECC memory correction activity initiated by the North Bridge to fi nd
and correct memory errors by scanning all memory modules doing simulated
"READs" while checking for ECC errors. When an ECC error is detected during
this process, it is logged as a Patrol error. A correctable error is corrected and
written back into memory. The options are Enabled and Disabled.
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 correctable
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 Bandwidth FSB
Select Enabled to enable high bandwidth Front Side Bus (FSB). 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 temperature
based on a predefi ned value. The options are Enabled and Disabled.
AMB Thermal Sensor
Select Enabled to enable 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.
7-13
Chapter 7: BIOS
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