Reference Guide

BIOS Settings Name Description Supported Operating
System(s)
• Enable
Clear Thermal Log
Prevents or allows the Thermal log to be cleared on the next boot.
Possible values are:
• Disable — Does not clear the Thermal log on the next boot.
• Enable — Clears the Thermal log on the next boot.
Microsoft Windows
Cool and Quiet
Enables or disables the AMD Cool and Quiet processor feature.
Possible values are:
• Disable
• Enable
Microsoft Windows
Adjacent Cache Line
Prefetch
Enables or disables the AdjacentCacheLinePrefetch feature.
Possible values are:
• Enabled — CPU fetches the adjacent cache line in the other half of the
sector.
• Disabled — CPU only fetches the cache line that contains the data currently
required by the CPU.
Microsoft Windows,
Linux
CPU RSA
Enables or disables the Reliability Availability Serviceability (RSA) support on
CPUs.
Possible values are:
• Disable
• Enable
Microsoft Windows,
Linux
CPU Snoop Mode
Congures the CPU snoop mode.
Possible values are:
• Early snoop — Enables early snoop mode. Use this mode for latency-sensitive
applications that do not require high remote bandwidth.
• Home snoop — Enables home snoop mode. Use this mode for applications
that require high memory bandwidth.
• Cluster on Die — Enables cluster on die mode. Dell recommends this mode for
NUMA-optimized applications to achieve lowest local memory latency, and
highest local memory bandwidth.
• Opportunistic Snoop — Enables opportunistic snoop mode. Directory with
Opportunistic Snoop Broadcast (OSB) oers a good balance of latency and
bandwidth.
• No snoop — Enables no snoop mode.
Microsoft Windows,
Linux
CPU Virtualization
Technology
Enables or disables CPU Virtualization.
Possible values are:
• Disable
• Enable
Microsoft Windows
Deep Sleep Control Congures the system power mode when the system is in S4 and S5 state. If set
to S5only, the system moves to the lowest-Power O mode only in S5 state. If
set to S4 and S5 state, the system moves to the lowest-Power O mode in both
S4 and S5 states. When the system is in low-power mode, it turns o most of the
Microsoft Windows,
Linux
260 BIOS settings supported in Dell Command | Monitor10.1.0