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Patrol Scrub Enable
Patrol Scrubbing is a process that allows the CPU to correct correctable memory
errors detected on a memory module and send the correction to the requestor (the
original source). When this item is set to Enabled, the IO hub will read and write
back one cache line every 16K cycles, if there is no delay caused by internal pro-
cessing. By using this method, roughly 64 GB of memory behind the IO hub will be
scrubbed every day. The options are Enabled and Disabled.
Demand Scrub Enable
Demand Scrubbing is a process that allows the CPU to correct correctable memory
errors found on a 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 error, the
error is corrected and sent to the requestor (the original source). Memory is updated
as well. Select Enabled to use Demand Scrubbing for ECC memory correction. The
options are Enabled and Disabled.
CMD Rate
Use this feature to set the command-line execution rate for your computer. The
options are Atuo, 1N, 2N, and 3N.
Dynamic Self Refresh
Select Enabled to enable Dynamic Self Refresh support in the memory controller to
maximize memory performance. The options are Enabled and Disabled.
Memory Thermal
This feature is used to configure the Memory Thermal Management mode. The
options are Disabled and CLTT (Closed-Loop Thermal Throttling).
2x Refresh Rate
Select Enabled to force the system to use 2x memory refreshing rate regardless
what the temperature is. The options are Disabled and Enabled.
I/O Fabric
The following items will be displayed:
•
USB Module Version
•
USB Devices
7-11
Chapter 7: BIOS
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