Supermicro SBI-7228R-T2F, User Manual, Page: 60 / 86

SBI-7228R-T2F Blade Module User’s Manual
5-8
Table 5-4. CPU Configuration sub-menu
Menu Option Description

Socket 0/1 CPU
Information
These sub-menus, when selected, shows information on the Socket 0/
Socket 1 processors and other information including Processor Socket,
Processor ID, Processor Frequency, Processor Max Ratio, Processor Min
Ratio, Microcode Revision, L1 Cache RAM, L2 Cache RAM and L3 Cache
RAM, Processor 0 Version and Processor 1 Version.
This information is only readable and cannot be changed.
Clock Spread Spectrum
This setting enables or disables spread spectrum modulation. Options are
Enabled and
Disabled .
Hyper-threading
This setting is Enabled for Windows XP and Linux (OS optimized for
Hyper-threading technology), and Disabled for other OSes (any OS not
optimized for Hyper-threading techology). When Disabled, only one thread
per enabled core is enabled.
Cores Enables
This sets the number of cores to enable. The number 0 means all cores
with 12 cores available. The number selected is changed using the
keyboard’s keypad “+” or “-” buttons.
Execute Disable Bit
XD can prevent certain classes of malicious buffer overflow attacks when
combined with a supporting OS such as Windows Server 2003 SP1,
Windows XP SP2, SuSE Linux 9.2 or RedHat Enterprise 3 Update 3.
Options include
Enabled or Disabled.
PPIN Control
Use this setting to enable/disable the PPIN control. Options include
Unlock/Enable or Unlock/Disable.
Hardware Prefetcher This settings allows you to Enable or Disable the Hardware Prefetcher.
Adjacent Cache Prefetch This setting allows you to Enable or Disable the Adjacent Cache Prefetch.
DCU Streamer Prefetcher
This setting allows you to Enable or Disable the DCU Streamer Prefetcher,
which is an L1 data cache prefetcher.
DCU IP Prefetcher
This setting allows you to Enable or Disable the DCU IP Prefetcher, which
is an L1 data cache prefetcher.
Direct Cache Access (DCA)
This setting allows you to enable or disable Direct Cache Access. Options
include
Auto , Enable or Disable.
X2APIC Use this setting to Enable or Disable extended APIC support
AES-NI Use this setting to Enable or Disable AES-NI support.
Intel® Virtualization
Technology
Select Enabled to use this Virtualization Technology feature to allow one
platform to run multiple operating systems and applications in independent
partitions, creating multiple “virtual” systems in one physical computer
system. The options are
Enabled and Disabled. Please refer to the Intel
website for further detailed information.
NOTE: A full reset of the system is required when you change this setting.