Supermicro 8028B-C0R4FT, Руководство пользователя

Страница: 115 / 144

Chapter 7: BIOS
7-19
Patrol Scrub (Available when it is supported by the hardware components)
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 Enable, read-and-write will be performed
every 16K cycles per cache line if there is no delay caused by internal processing.
The options are
Enable
and Disable.
Demand Scrub
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 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,
Rank SDDC,
and Bank SDDC.
A7 Mode
Select Enabled to support A7 (Addressing) Mode to improve memory performance.
The options are
Disable
and Enable.
DDDC Support
Select Enabled to enable Double-Device Data Correction (DDDC) support for the
error-correction codes to correct memory errors caused by two failed DRAM devices.
The options are
Disabled
, Rank DDDC, and Bank DDDC.
DDDC Wirekill (Available when DDDC support is set to Rank DDDC)
Select Enabled for Double-Device Data Correction (DDDC) Wire-kill support which
will disable the wire connection between two DRAM devices when they fail. The
options are
Disabled
and Enabled.
DDDC Wirekill (Wire-Kill) Threshold (Available when DDDC support is set to
Rank DDDC, and DDDC Wirekill is set to Enabled)
Use this feature to set the DDDC Wirekill threshold. When the memory errors
reach the threshold,wire-connections between the failed DRAM modules will be
disconnected. The Default setting is
2
.