Asus M2V-MX SE User Manual page 32

2.. USB device wake-up (3-pin PS2_USBPW1-4, USBPW5-8)
Set these jumpers to +5V to wake up the computer from S1 sleep mode
(CPU stopped, DRAM refreshed, system running in low power mode) using
the connected USB devices. Set to +5VSB to wake up from S3 and S4 sleep
modes (no power to CPU, DRAM in slow refresh, power supply in reduced
power mode). Set PS2_USBPW1-4 jumper to +5VSB to wake up by PS2
mouse or keyboard.
The PS2_USBPW1-4 jumper is for the rear USB ports (PS_USB port 1-4).
The USBPW5-8 jumper is for the internal USB connectors (USB port 5-8) that
you can connect to additional USB ports.
M2V-MX.SE.USB Device Wake Up
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M2V-MX.SE
The USB device wake-up feature requires a power supply that can
provide 500 mA on the +5VSB lead for each USB port; otherwise, the
system would not power up.
The total current consumed must NOT exceed the power supply capability
(+5VSB) whether under normal condition or in sleep mode.
PS2_USBPW1-4
USBPW5-8
Chapter 1: Product introduction