NEC Express 5800 Series - Page 58

1. System BIOS
Express5800/T110f-S, R110f-1E, T110f-E Maintenance Guide
58
Chapter 2 Useful Features
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 featue.
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 featue.
[ ]: Factory settings
(a) Processor Information submenu
For details about the options, see the table on the next page.