NEC express5800 A2010b - Page 478

2. Operation Mode
Chapter 4 Appendix
Operation mode
Parameter
([ ]: Default setting)
When
applied
Description
VT-x Disabled
[Enabled]
At next boot Enable or disable Intel(R) VT-x which is the
processor virtualization feature. This item is
displayed only when the installed processor
supports this feature. This option is inaccessible
when
Intel TXT Support
is set to
Enabled
.
Disabled: Disables the feature.
Enabled: Enables the feature.
Hyper-Threading Disabled
[Enabled]
At next boot Enable or disable the Intel(R) Hyper-Threading
technology. This item is displayed only when the
installed processor supports this feature.
Disabled: Disables the feature.
Enabled: Two threads words by a single
processor core. The number of processors
doubles the number of processor cores.
x2APIC Disabled
[Enabled]
At next boot Enable or disable the x2APIC feature of
processor.
Enabled: Enable the x2APIC feature of
processor. Use this setting in usual operation. In
addition, be sure to specify "Enabled" for "VT-d"
when X2APIC is enabled.
Disabled: Disable the x2APIC feature of
processor. Select Disabled only when launching
Windows 2008 R2.
Processor Error Mode LOM
[Poison]
At next boot Specify the operation when an uncorrectable
data error is detected.
LOM: Stops the normal operation when an error
is detected, and starts fault processing.
Poison: Does not start fault processing when an
error is detected. OS tries recovery when that
data is actually used.
Memory Related
Advanced menu
→
Memory Configuration
Operation mode
Parameter
([ ]: Default setting)
When
applied
Description
Memory Freq.
Limit
[Auto]
1066MHz
1333MHz
1600MHz
At next boot Specify the upper limit of memory clock speed.
Actual speed may be lowered than the specified
value depending on memory configuration.
Auto: BIOS checks DIMM configuration and let
DIMM work at the highest clock speed.
1066MHz: Let DIMM work at the speed not
exceeding 1066MHz.
1333MHz: Let DIMM work at the speed not
exceeding 1333MHz.
1600MHz: Let DIMM work at the speed not
exceeding 1600MHz.
Memory Voltage [Auto]
1.5V
1.35V
At next boot Specify the operating voltage of memory. Actual
voltage may differ from the specified value
depending on memory configuration.
Auto: BIOS checks DIMM configuration and
determines the operable voltage.
1.5V: Let DIMM work at 1.5 V.
1.35V: Let DIMM work at 1.35 V.
Express5800/A1040b, A2040b, A2020b, A2010b User's Guide
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