1. System BIOS
Express5800/T120e Maintenance Guide
57
Chapter 2 Useful Features
Option Parameter
Description
Processor Information
Processor Power
Management
DCU IP Prefetcher
Disabled
[Enabled]
Enables or disables Data Cache Unit (DCU) IP
Prefetcher.
DCU Streamer Prefetcher
Disabled
[Enabled]
Enables or disables DCU Streamer Prefetcher.
Hardware Prefetcher
Disabled
[Enabled]
Enables or disables Hardware Prefetcher.
Adjacent Cache Line Prefech
Disabled
[Enabled]
Enables or disables the optimal access from memory to
cache.
Execute Disabled 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.
Active Processor Cores
[All]
1-9
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.
PPIN Support
[Disabled]
Enabled
Enables or disables Protected Processor Inventry
Number (PPIN), This option is displayed only when the
installed processor supports this feature.
[ ]: Factory settings
(a) Processor Information Submenu
For details about the options, see the table on the next page.