Reference Guide

links. If you do this, you should localize memory and I/O accesses to the nearest NUMA node to minimize
the impact to system performance.
Only available if 2 or more CPUs are present. On 14G only MaxDataRate, 10GTps, and 9GTps
Legal Values
● MaxDataRate
● 10GTps
● 9GTps
Default Value Not Applicable
Write Privilege Server Control
License Required iDRAC Express or iDRAC Enterprise
Dependency Not applicable
BIOS.ProcSettings.CpuMinSevAsid (Read or Write)
Description
This option determines the number of Secure Encrypted Virtualization ES and non-ES available Address
Space IDs. It is a numeric box where the number is the dividing line between non-ES and ES ASIDs. ES -
Encrypted State - the register save state area is also encrypted along with the entire guest memory area
A value of 1 means there are only non-ES ASIDs available A value of 16 means there are only ES ASIDs
available. A value in-between, like 8 means the ASIDs are split into 7 ES and 8 non-ES ASIDs. SEV-ES
ASID count Setup option allows setting from 1-16/ 1-254/ 1-510 depending on the CPU capabilities.
Legal Values None
Default Value Not Applicable
Write Privilege Server Control
License Required iDRAC Express or iDRAC Enterprise
Dependency Not applicable
BIOS.ProcSettings.DataReuse (Read or Write)
Description
When set to Enabled, allows the processor to retain frequently used lines in all levels of cache at the
expense of some control signals between the processor and cache.
Legal Values
● Disabled
● Enabled
Default Value Not Applicable
Write Privilege Server Control
License Required iDRAC Express or iDRAC Enterprise
Dependency Not applicable
BIOS.ProcSettings.DcuIpPrefetcher (Read or Write)
Description
Enables or disables Data Cache Unit (DCU) IP Prefetcher. This setting can affect performance, depending
on the application running on the server. Recommended for High Performance Computing applications.
Not on Value systems.
Legal Values
● Enabled
● Disabled
Default Value Not Applicable
BIOS Attributes 267