Chapter 6: BIOS
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Global C-state Control
This setting is used to configure for Global C-state Control. Options include
Auto
, Dis-
abled and Enabled.
Opcache Control
This setting is used to configure for Opcache Control. Options include
Auto
, Disabled
and Enabled.
Custom Core Pstates
Accept Submenu
If you accept the set Core Pstates, then exit this menu. If you want to customize them
then hit <Enter> to go to the menu.
Warning!
Use of this menu and its options may damage your processor.
Custom Pstate0~7
For each custom Pstate choose between options for Disabled, Custom (to customize
this Pstate) or
Auto
.
Sev-ES ASID Space Limit
The SEV VMs using ASIDs below the SEV-ES ASID Space Limit must enable the SEV-
ES feature. The valid values for this field are from 0x1 (1) to 0x10 (16). Default is
1
.
Core/Thread Enablement
Agree Submenu
Downcore Control
This sets the number of cores to be used by your system. Once this option has been
used to remove any cores, a power cycle is required in order for the future selections
to take effect. Options include TWO (1+1), Two (2 + 0), Three (3 + 0), Four (2 + 2),
Four (4+0), Six (3 + 3) and
Auto
.
DF Common Options
DRAM Scrub Time
This provides a value that is the number of hours to scrub memory. Options include
Disabled, 1 hour, 4 hours, 8 hours, 16 hours, 24 hours, 48 hours and
Auto
.
Redirect Scrubber Control
This setting enables Redirect Scrubber Control. Options include Disabled, Enabled and
Auto
.