NEC Express5800 Maintenance Manual page 65

Chapter 2 Convenient Features
(1)
Processor Configuration submenu
From the Advanced menu, select Processor Configuration and then press the <Enter> key to display the
menu screen shown below. For the menu that has
<Enter> key to show its submenus.
For details about the options, see the table below.
Option
Processor Information
Processor Power Management
DCU IP Prefetcher
DCU Streamer Prefetch
Hardware Prefetcher
Adj Cache Line Prefet
Execute Disable Bit
VT-x
Hyper-Threading
x2APIC
Processor Error Mode
Express5800/A1040b, A2040b, A2020b, A2010b Maintenance Guide
on the left, move the cursor to it and then press the
Parameter
–
–
Disabled Enable or disable DCU IP Prefetcher of processor.
[Enabled]
Disabled Enable or disable DCU Streamer Prefetcher of
processor.
[Enabled]
Disabled Enable or disable Hardware Prefetcher
[Enabled]
Disabled Set the optimal access from memory to cache to either
Enabled or Disabled.
[Enabled]
Disabled Enable or disable Execute Disable Bit feature. This
option is displayed only when the installed processor
[Enabled]
supports this feature.
Disabled Enable or disable Intel Virtualization Technology (feature
to virtualize processor).This option is inaccessible when
[Enabled]
Intel TXT Support is set to Enabled.
Disabled Enable or disable the feature to execute two threads with
only one core. This option is displayed only when the
[Enabled]
installed processor supports this feature.
Disabled Enable or disable x2APIC feature of processor. Select
Enabled in usual operation. This option needs to be
[Enabled]
disabled for booting a specific OS. Refer to Chapter 4 (3.
Settings for each OS) in User's Guide.
LOM Specify the error mode of processor.
[Poison]
Descriptions
–
–
[ ]: Factory settings
1. System BIOS
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