Bios Advanced Menu Processor Configuration Options; Bios Advanced Menu Cpu Power Management Configuration Options - Oracle X5-2L Service Manual

BIOS Advanced Menu Selections
BIOS Advanced Menu Processor Configuration
Options
The following table describes the BIOS Advanced Menu processor configuration options.
BIOS Advanced Menu Processor Configuration
TABLE 24
Setup Options
Hyper-threading
Active Processor Cores
Execute Disable Bit
Hardware Prefetcher
Adjacent Cache Prefetch
DCU Streamer Prefetcher
DCP IP Prefetcher
Intel Virtualization Technology
BIOS Advanced Menu CPU Power Management
Configuration Options
The following table describes the BIOS Advanced Menu CPU power management
configuration options.
274 Oracle Server X5-2L Service Manual • May 2015
Options
Disabled/Enabled
A minimum of one up to the
maximum number of cores
available in the processor
package.
Disabled/Enabled
Disabled/Enabled
Disabled/Enabled
Disabled/Enabled
Disabled/Enabled
Disabled/Enabled
Defaults
Enabled
All
Enabled
Enabled
Enabled
Enabled
Enabled
Enabled
Description
Use to enable Hyper Threading.
When enabled, two threads
are available per enabled core.
When disabled, only one thread
per enabled core is available.
The number of cores to enable in
each processor package.
When disabled, forces XD
features flag to always return 0.
Enable the mid-level cache
(MLC) streamer prefetcher
(MSR 1A4h bit [0]).
Enable the mid-level cache
(MLC) streamer prefetcher
(MSR 1A4h bit [1]).
Enable DCU streamer
prefetcher, which is a L1 data
cache prefetcher (MSR 1A4h
[2]).
Enable DCU IP prefetcher,
which is a L1 data cache
prefetcher (MSR 1A4h [3]).
When enabled, a Virtual
Machine Manager (VMM) can
utilize the additional hardware
capabilities provided by Intel
Virtualization Technology.