CLI Guide

BIOS.ProcSettings.ProcExecuteDisable (Read or Write)
Description
A security feature designed to prevent certain types of buffer overflow attacks by enforcing specific
areas of memory that applications can execute code. In general, it is best pratice to leave this option set
to Enabled for the security benefits, as no real performance advantage has been detected by disabling
this feature in BIOS.
Legal Values
● Disabled
● Enabled
Default Value Not Applicable
Write Privilege Server Control
License Required iDRAC Express or iDRAC Enterprise
Dependency Not applicable
BIOS.ProcSettings.ProcHpcMode (Read or Write)
Description
Legal Values
● Enabled
● Disabled
Default Value Not Applicable
Write Privilege Server Control
License Required iDRAC Express or iDRAC Enterprise
Dependency Not applicable
BIOS.ProcSettings.ProcHtAssist (Read or Write)
Description
When enabled, it provides filtering of broadcast probes to improve HyperTransport I/O Link bandwidth
and performance on multi-node systems. When set to Enabled, the probe filter is enabled if two or more
processors are installed and all processors support the probe filter. If only one processor is installed, both
nodes must have memory (at least 1067 MT/s) attached. The default is Disabled for single-processor
systems and Enabled for multi-processor systems.
Legal Values
● Enabled
● Disabled
Default Value Not Applicable
Write Privilege Server Control
License Required iDRAC Express or iDRAC Enterprise
Dependency Not applicable
BIOS.ProcSettings.ProcHwPrefetcher (Read or Write)
Description
When set to Enabled, the processor is able to prefetch extra cache lines for every memory request.
This setting can affect performance, depending on the application running on the server and memory
bandwidth utilization.
Legal Values
● Enabled
● Disabled
Default Value Not Applicable
336 BIOS Attributes