NEC Express5800/R110i-1, Maintenance Manual

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1. System BIOS
Express5800/R110i-1, T110i-S, T110i Maintenance Guide
61
Chapter 2 Useful Features
(1) Processor Configuration submenu
On Advanced , choose Processor Configuration and then press <Enter> key to display the menu screen
shown below. For the menu that has on the left, move the cursor to it and then press <Enter> key to show its
submenus.
For details about the options, see the table on the next page.
Option Parameter Description
Processor Information
 
Processor Power Management
 
DCU IP Prefetcher
Disabled
[Enabled]
Enables or disables the prefetcher of L1
cache.
DCU Streamer Prefetcher
Disabled
[Enabled]
Enables or disables the prefetcher of L1 data
cache.
Hardware Prefetcher Disabled
[Enabled] Enables or disables Hardware Prefetcher.
Adjacent Cache Line Prefetch Disabled
[Enabled] Enables or disables the optimal access from
memory to cache.
Execute Disable Bit
Disabled
[Enabled] Enables or disables Execute Disable Bit
feature. This option is displayed only when the
installed processor supports this feature.
VT-x Disabled
[Enabled] Enables or disables Intel Virtualization
Technology feature.
Active Processor Cores [All]
1
2
3 Specifies the number of active cores in
processor.
The selectable number of cores depends on
processor installed.
Hyper-Threading Disabled
[Enabled] Enables or disables the feature to
simultaneously execute two threads in a single
core.
This option is displayed only when the
installed processor supports this feature.