4 BIOS setup
98
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
Summary of Contents for Network Device Altos R520
Page 1: ...Acer Altos R520 Series User s Guide...
Page 10: ...x...
Page 11: ...1 System tour...
Page 38: ...1 System tour 28...
Page 39: ...2 System setup...
Page 47: ...3 System upgrade...
Page 99: ...4 BIOS setup...
Page 136: ...4 BIOS setup 126...
Page 137: ...5 Troubleshooting...
Page 158: ...5 Troubleshooting 148...
Page 159: ...Appendix A Acer Altos R520 rack installation guide...
Page 160: ...This appendix shows you how to set up the Acer Altos R520 server in a rack mount configuration...
Page 172: ...Appendix A Acer Altos R520 rack installation guide 162...
Page 173: ...Appendix B RAID configuration...
Page 184: ...174...