Oracle EXADATA X6-2, Service Manual, Page: 232 / 284

BIOS Advanced Menu Selections
232 Oracle Server X6-2 Service Manual • June 2016
BIOS Advanced Menu Processor Configuration
Options
The following table lists the BIOS Advanced Menu Processor Configuration options.
TABLE 28
BIOS Advanced Menu Processor Configuration
Setup Options Options Defaults Description
Hyper-threading Disabled/Enabled Enabled Use to enable Hyper
Threading. When enabled,
two threads are available
per enabled core. When
disabled, only one thread
per enabled core is
available.
Active Processor Cores A minimum of one up
to the maximum number
of cores available in the
processor package.
All The number of cores to
enable in each processor
package.
Execute Disable Bit Disabled/Enabled Enabled When disabled, forces XD
features flag to always
return 0.
Hardware Prefetcher Disabled/Enabled Enabled Enable the mid-level cache
(MLC) streamer prefetcher
(MSR 1A4h bit [0]).
Adjacent Cache Prefetch Disabled/Enabled Enabled Enable the mid-level cache
(MLC) streamer prefetcher
(MSR 1A4h bit [1]).
DCU Streamer Prefetcher Disabled/Enabled Enabled Enable DCU streamer
prefetcher, which is a
L1 data cache prefetcher
(MSR 1A4h [2]).
DCP IP Prefetcher Disabled/Enabled Enabled Enable DCU IP prefetcher,
which is a L1 data cache
prefetcher (MSR 1A4h
[3]).
Intel Virtualization
Technology
Disabled/Enabled Enabled When enabled, a Virtual
Machine Manager
(VMM) can utilize the
additional hardware
capabilities provided
by Intel Virtualization
Technology.