NEC Express5800 Series Maintenance Manual page 59

Chapter 2 Convenient Features
For details about the options, see the table below.
Option
Processor Information
Processor Power
Management
DCU IP Prefetcher
DCU Streamer Prefetcher
Hardware Prefetcher
Adjacent Cache Line Prefech
Execute Disable Bit
VT-x
Active Processor Cores
Hyper-Threading
（a）Processor Information submenu
Parameter
–
–
Disabled
Enable or disable DCU (Data Cache Unit) IP Prefetcher.
[Enabled]
Disabled
Enable or disable DCU Streamer Prefetcher.
[Enabled]
Disabled
Enable or disable Hardware Prefetcher.
[Enabled]
Disabled
Set the optimal access from memory to cache to either
[Enabled]
Enabled or Disabled.
Disabled
This is only displayed for a processor that supports the
[Enabled]
Execute Disable Bit feature. Specify whether to enable
this feature.
Disabled
Enable or disable Intel Virtualization Technology.
[Enabled]
[All]
Specify the number of cores to enable in each processor
1-11
package. The number of cores that can be specified
depends on the processor installed.
Disabled This feature allows one physical CPU to appear as two
[Enabled] logical CPUs. Able to display and configure this option
only when the processor that supports this feature is
installed.
Express5800/B120e-h Maintenance Guide
Descriptions
–
–
[ ]: Factory settings
1. System BIOS
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