NEC Express5800 Series Maintenance Manual page 57

Chapter 2 Useful 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 Prefetch
Execute Disabled Bit
VT-x
Active Processor Cores
Hyper-Threading
PPIN Support
Parameter
– –
– –
Disabled Enable or disable DCU (Data Cache Unit) 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.
Enable or disable Intel Virtualization Technology (feature
Disabled
to virtualize processor).
[Enabled]
[All] Specify the number of cores to enable in each processor
package. The number of cores that can be specified
1-9
depends on the processor installed.
Enable or disable the feature to execute two threads with
Disabled
only one core. This option is displayed only when the
[Enabled]
installed processor supports this feature.
[Disabled] Enable or disable Protected Processor Inventory Number
Enabled (PPIN) feature. This option is displayed only when the
installed processor supports this feature.
Express5800/E120e-M Maintenance Guide
Descriptions
[ ]: Factory settings
1. System BIOS
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