TYAN S8228, Notice

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38
Feature Option Description
CPU Configuration
Manufacturer
Read only
Displays information about
CPU
Revision
Cache L1
Cache L2
Cache L3
BCLK Speed
Frequency
Ucode Patch Level
SecureVirtual
Machine Mode
Enabled
Secure Virtual Machine Mode
Disabled
Power Now
Enabled
Enable/disable the generation
of ACPI,_PPC,PSS,and_PCT
objects
Disabled
Power Cap P-state 0/1/2/3/4
This option can decide the
highest performance P-state in
OS.
ACPI SRAT Table
Enabled
Enable or Disable the building
of ACPI SRAT Table
Disabled
PSI Function
Enabled
Disable: If MB does not support
PSI.
Enable: PSI 1-phase function is
enabled under threshold
current
Disabled
Auto
PSI Threshold
（
A
）
23
Enable/Disable PSI function.
Don’t change it unless you
know what you do
Disable 2
nd
CHT Link
None
Note: need a cold boot to
restore the setting
CPU0 L0-CPU1 L2
CPU0 L2-CPU1 L0
Probe Filter
Auto
Enable or Disable Probe Filter
Function
Disabled
Enabled
CPU prefetch
Enabled
Enable or Disable CPU
prefetch
Disabled
IO prefetch
Enabled
Enable or Disable IO prefetch
Disabled
CPU Core Level
No Leveling
Allow user disable Multiple
CPU Cores Once disabled, it
cannot be added back without
a cold reset.
Power of 2 cores
1/2/3/4/5/6 cores