Acer Altos R720 Series - Manual (Page 116)

4 BIOS setup 106
Virtualization
Technology Enables or disables the system to run
multiple operating systems and
applications in different partition. Disabled
Enabled
Execute Disable
Bit When Enabled, the processor disables
code execution when a worm attempts
to insert a code in the buffer preventing
damage and worm propagation.
When Disabled, the processor forces the
Execute Disable Bit feature flag to
always return to 0.
Note: This parameter is hidden if the
processor does not support this function.
Enabled
Disabled
Hardware
Prefetcher Enables or disables the speculative
prefetch unit within the processor(s).
Note: Changing this feature may affect
system performance.
Enabled
Disabled
Adjacent Cache
Line Prefetch When Enabled, cache lines are fetched
in pairs (even line + odd line)
When Disabled, only current cache line
required is fetched.
Note: Changing this feature may affect
system performance.
Enabled
Disabled
Processor
Re-Test When Enabled, all processors will be
activated and retested on the next boot.
This option will be automatically reset to
disable on the next boot. Disabled
Enabled
Processor #
Information Press Enter to access the Processor #
Information submenu.
Parameter Description Option