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Chapter 4
BIOS Setting
C4 Exit Timing
Options
-Default
-Fast
-Slow
C-state
POPDOWN
-Disabled
-Enabled
C-state POPUP
-Disabled
-Enabled
′
AMI BIOS Setup
Description/Purpose
Controls a programmable time for the
CPU voltage to stabilize when exiting
from C4 state. In case of perceptible
audio noise caused by periodically
exiting the C4 state option slow might
eliminate the noise.
When disabled, the CPU will no try to
promote its sleep state from C2 down
to C3/C4.; these last two items are part
of PPM (Processor Power
Management).
Enables popup mode in which CPU
goes from C3 or C4 state into C2
(when disabled it changes straight to
C0).
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