45 PCE-5126 User Manual
Chapter 3 AMI BIOS Setup
Restore AC Power Loss
'Power Off, power On or Last State" to restore AC power loss
SLP_S4 Assertion Stretch Enable
"Enable" to select a minimum assertion width of the SLP_S4 signal
SLP_S4 Assertion Width
"1-2,2-3,3-4,4-5" SLP_S4 assertion width help
Azalia HD Audio
"Enable or Disable" HD Audio for optional PCA-AUDIO-HDA1E
High Precision Timer
"Enable or Disable" High Precision Event Timer
Deep S5
“Enable for Disable“ Deep S5 feature. When Deep D5 is enabled, most power,
including 5 VASB, will be off during Deep S5 for energy savings.
3.2.3.3 USB Configuration
Figure 3.22 USB Configuration
All USB Devices
"Enable or Disable" All USB Devices.
EHCI Controller #1 & #2
"Enable or Disable" EHCI Controller #1 or #2.
Note! When a system enters G3 status with Deep S5 enabled, some power
supply’s 5 VSB won’t drop until after more than 30 seconds. If “Restore
AC Power Loss“ is set to “power on“, the system won’t boot up in 30
seconds after power failure. We recommend the users wait for more
than 30 seconds to power on after a power failure. The system will auto
power on if power is restored within 30 seconds, before 5 VSB actually
drops, even if “Restore AC Power Loss“ is set to “power off“.
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