Avalue Technology EMX-CDD - Power Management

EMX-CDD User’s Manual
EMX-CDD User’s Manual 39
Item
Options
Description
Legacy USB Support
Enabled[Default]
Disabled
Auto
Enables Legacy USB support. AUTO option
disables legacy support if no USB devices are
connected. DISABLE option will keep USB devices
available only for EFI applications.
EHCI Hand-off
Enabled
Disabled[Default]
This is a workaround for OSes without EHCI
hand-off support. The EHCI ownership change
should be claimed by EHCI driver.
USB transfer time-out
1 sec
5 sec
10 sec
20 sec[Default]
This time-out value for Control, Bulk, and Interrupt
transfers.
Device reset time-out
10 sec
20 sec[Default]
30 sec
40 sec
USB mass storage device Start Unit command
time-out.
Device power-up delay
Auto[Default]
Manual
Maximum time the device will take before it
properly reports itself to the Host Controller. ‘Auto’
uses default value: for a Root port it is 100 ms, for a
Hub port the delay is taken from Hub descriptor.
3.6.2.6 Power Management
Item
Options
Description
Power On By PS/2 Keyboard
Disabled [Default]
Anykey
Password
Power On By PS/2 Keyboard.
Power On By PS/2 Mouse
Enabled
Disabled[Default]
Power On By PS/2 Mouse.
Wake By PME
Enabled
Disabled[Default]
Wake By PME.
AC Power Loss
Power Off[Default]
Power On
Last State
AC Power Loss.