2.USB device wake-up (3-pin 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 (no power to CPU, DRAM in slow refresh, power supply in reduced power mode).

 

USBPW12

2

 

 

1

 

 

+5V

 

 

(Default)

M2N-E SLI

USBPW34

1 2

 

 

+5V

 

 

(Default)

 

USBPW5-8

2

 

 

M2N-E SLI USB Device Wake Up

1

+5V

 

 

(Default)

3

 

2

 

+5VSB

2

3

+5VSB

3

 

2

 

+5VSB

•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 would not power up.

•The total current consumed must NOT exceed the power supply capability (+5VSB) whether under normal condition or in sleep mode.

2-20

Chapter 2: Hardware information