NEC Express 5800 Series Maintenance Guide

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.

NEC Express 5800 Series Specifications

General

Brand	NEC
Model	Express 5800 Series
Category	Server
Language	English