Foxconn A74GA Series User Manual page 25

USB device wake-up Jumper: USBPWR1 / USBPWR2/ USBPWR3 / USBPWR4
1. Set the jumper to pins 1-2 (+5V) to wake up the computer from S1 sleep mode using the
connected USB devices.
2. Set the jumper to pins 2-3 (+5VSB) to wake up the computer from S3 and S4 sleep modes
using the connected USB devices. At the same time, a corresponding setting must be set in
BIOS as below:
Set "CMOS Setup" -> "Power Management Setup" -> "USB Wake Up From S3" to "Enabled".
+5V
(Default)
+5VSB
USBPWR1/ USBPWR2/
USBPWR3/ USBPWR4
!
■ USBPWR2/ USBPWR3 is for the internal USB connectors, USBPWR1/ USBPWR4 is
for the rear USB ports.
■ The USB device wake-up feature requires a power supply that can provide 500mA
on +5VSB lead for each USB port; otherwise, the system will not power up.
■ The total current consumed must not exceed the power supply capability (+5VSB)
whether under normal condition or in sleep mode.
1
2
3
1
2
3
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