Reference Guide

Default Value Not Applicable
Write Privilege Server Control
License Required iDRAC Express or iDRAC Enterprise
Dependency Not applicable
BIOS.ProcSettings.L1StreamHwPrefetcher (Read or Write)
Description
When set to Enabled, the processor provides advanced performance tuning by controlling the L1 Stream
HW prefetcher setting. Use the recommended setting, and this option will allow for optimizing overall
workloads.
Legal Values
● Enabled
● Disabled
Default Value Not Applicable
Write Privilege Server Control
License Required iDRAC Express or iDRAC Enterprise
Dependency Not applicable
BIOS.ProcSettings.L2Prefetcher (Read or Write)
Description
Enables or disables the L2 Prefetcher. This setting can affect performance, depending on the application
runningon the server. Recommended for High Performance Computing applications.
Legal Values
● Enabled
● Disabled
Default Value Not Applicable
Write Privilege Server Control
License Required iDRAC Express or iDRAC Enterprise
Dependency Not applicable
BIOS.ProcSettings.L2RfoPrefetch (Read or Write)
Description
Enable or disable the L2 RFO(Read For Ownership) prefetch. The RFO is the process of reading a cache
line from the memory into the cache before it can be written to.
Legal Values
● Enabled
● Disabled
Default Value Not Applicable
Write Privilege Server Control
License Required iDRAC Express or iDRAC Enterprise
Dependency Not applicable
270 BIOS Attributes