Supermicro X9SRL-F User Manual download pdf (Page 80)

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X9SRL Motherboard Series User’s Manual

Memory Mode

When Independent is selected, all DIMMs are available to the operating system.

When Mirroring is selected, the motherboard maintains two identical copies of all

data in memory for data backup. When Lockstep is selected, the motherboard

uses two areas of memory to run the same set of operations in parallel. The

options are Independent, Mirroring, Lockstep, and Sparing.

DRAM RAPL Mode

RAPL which stands for Running Average Power Limit is a feature that provides

mechanisms to enforce power consumption limits on supported processors The

options are DRAM RAPL MODE0 , DRAM RAPL MODE1, and Disabled.

DDR Speed

Use this option to force the system memory to run at a different frequency than

the default frequency. The available options are Auto, Force DDR-800, Force

DDR-1066, Force DDR-1333, Force DDR3-1600 and Force SPD.

Channel Interleaving

This feature selects from the different channel memory interleaving methods.

The options are Auto, 1 Way, 2 Way, 3 Way and 4 Way.

Rank Interleaving

This feature selects from the different rank memory interleaving methods. The

options are Auto, 1 Way, 2 Way, 4 Way and 8 Way.

Patrol Scrub

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 North Bridge 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

North Bridge will be scrubbed every day. The options are Enabled and Disabled.

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 Enabled to use Demand Scrubbing

for ECC memory correction. The options are Enabled and Disabled.

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Supermicro X9SRL-F User Manual Page 80