3 . USB device wake-up (3-pin USBPWR12, USBPWR34, USBPWR56, USBPWR78)

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).

A7V400-MX SE

USBPWR12

USBPWR34

2

3

2

1

 

+5V

+5VSB

 

(Default)

USBPWR56

USBPWR78

1

2

 

2

3

 

 

 

 

 

 

 

 

 

 

+5V

+5VSB

A7V400-MX SE USB device wake up

(Default)

•The USB device wake-up feature requires a power supply that can provide 500mA on the +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.

ASUS A7V400-MX SE

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