Chapter 4: AMI BIOS
4-15
Patrol Scrub
Patrol Scrubbing is a process that allows the CPU to correct correctable memory
errors detected in a memory module and send the correction to the requestor
(the original source). When this item is set to Enable, the IO hub will read and
write back one cache line every 16K cycles if there is no delay caused by internal
processing. By using this method, roughly 64 GB of memory behind the IO hub
will be scrubbed every day. The options are
Enable
and Disable.
Patrol Scrub Interval
Use this item to specify the number of hours (between 0 to 24) required for the
system to complete a full patrol scrubbing. Enter 0 for patrol scrubbing to be
performed automatically. The default setting is
24
.
Note:
This item is hidden when Patrol Scrub item is set to Disable.
Demand Scrub
Demand Scrubbing is a process that allows the CPU to correct correctable
memory errors found in 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 corrected as well. Select Enable to use Demand Scrubbing
for ECC memory correction. The options are
Enable
and Disable.
Device Tagging
Select Enable to support device tagging. The options are
Disable
and Enable.
South Bridge
The following South Bridge information will display:
•
USB Module Version
•
USB Devices
Legacy USB Support
Select Enabled to support onboard legacy USB devices. Select Auto to disable
legacy support if there are no legacy USB devices present. Select Disable to have
all USB devices available for EFI applications only. The options are
Enabled,
Disabled and Auto.
XHCI Hand-Off
This is a work-around solution for operating systems that do not support XHCI (Ex-
tensible Host Controller Interface) hand-off. The XHCI ownership change should be
claimed by the XHCI driver. The settings are
Enabled
and Disabled.
Содержание X10SRG-F
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