2. USB devi ce wake-up (3-pi n USBPW12, USBPW34, USBPW56, USBPW78)

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.

The USBPW12 and USBPW34 jumpers are for the rear USB ports. The USBPW56 and USBPW78 jumper is for the internal USB connectors that you can connect to additional USB ports.

USBPW1234

 

 

 

2

 

 

3

 

 

 

 

 

2

 

 

 

1

 

 

 

 

 

 

+5V

 

 

+5VSB

 

 

 

(Default)

 

 

 

 

 

 

K8N-VM

 

USBPW5678

 

 

 

1

2

3

1

2

3

 

+5V

+5VSB

K8N-VM 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 K8N-VM

1-17