Maintenance Manual

1. System BIOS
Express5800/R120d-1M, R120d-2M Maintenance Guide
55
Chapter 2 Convenient Features
For details about the options, see the table below.
Option Parameter Descriptions
Processor Information
− −
Processor Power Management
− −
DCU IP Prefetcher
Disabled
[Enabled]
Enable or disable DCU IP Prefetcher of
processor.
DCU Streamer Prefetcher
Disabled
[Enabled]
Enable or disable DCU Streamer Prefetcher of
processor.
Hardware Prefetcher
Disabled
[Enabled]
Enable or disable Hardware Prefetcher
Adjacent Cache Line Prefech
Disabled
[Enabled]
Set the optimal access from memory to cache
to either Enabled or Disabled.
Execute Disabled Bit
Disabled
[Enabled]
Enable or disable Execute Disable Bit feature.
This option is displayed only when the
installed processor supports this feature.
VT-x
Disabled
[Enabled]
Enable or disable Intel Virtualization
Technology (feature to virtualize processor).
Active Processor Cores
[All]
1-7
Specify the number of cores to enable in each
processor package. The number of cores that
can be specified depends on the processor
installed.
Hyper-Threading
Disabled
[Enabled]
Enable or disable the feature to execute two
threads with only one core. This option is
displayed only when the installed processor
supports this feature.
[ ]: Factory settings
(a) Processor Information submenu