Owners Manual

Option Description
System Memory
Type
Species the type of memory installed in the system.
System Memory
Speed
Species the system memory speed.
System Memory
Voltage
Species the system memory voltage.
Video Memory Species the amount of video memory.
System Memory
Testing
Species whether the system memory tests are run during system boot. Options are Enabled and Disabled. This
option is set to Disabled by default.
Memory Operating
Mode
Species the memory operating mode. The available option is Optimizer Mode.
Processor Settings
You can use the Processor Settings screen to view the processor settings, and perform specic functions such as enabling virtualization
technology, hardware prefetcher, and logical processor idling.
Viewing Processor Settings
To view the Processor Settings screen:
1 Turn on, or restart your system.
2 Press F2 immediately after you see the following message:
F2 = System Setup
NOTE
: If your operating system begins to load before you press F2, wait for the system to nish booting, and then
restart your system and try again.
3 On the System Setup Main Menu screen, click System BIOS.
4 On the System BIOS screen, click Processor Settings.
Processor Settings details
The Processor Settings screen details are explained as follows:
Option
Description
Logical Processor Enables or disables the logical processors and displays the number of logical processors. If this option is set to
Enabled, the BIOS displays all the logical processors. If this option is set to Disabled, the BIOS displays only one
logical processor per core. This option is set to Enabled by default.
QPI Speed Enables you to control QuickPath Interconnect data rate settings.
Virtualization
Technology
Enables or disables the additional hardware capabilities provided for virtualization. This option is set to Enabled by
default.
Adjacent Cache
Line Prefetch
Optimizes the system for applications that need high utilization of sequential memory access. This option is set to
Enabled by default. You can disable this option for applications that need high utilization of random memory
access.
Hardware
Prefetcher
Enables or disables the hardware prefetcher. This option is set to Enabled by default.
DCU Streamer
Prefetcher
Enables or disables the Data Cache Unit (DCU) streamer prefetcher. This option is set to Enabled by default.
DCU IP Prefetcher Enables or disables the Data Cache Unit (DCU) IP prefetcher. This option is set to Enabled by default.
34 Pre-operating system management applications