2.USB device wake-up (3-pin USBPW1234, USBPW5678, USBPW910)

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).

USBPW1234 USBPW910

2 1

+5V (Default)

3

2

+5VSB

2 1

+5V (Default)

3

2

+5VSB

USBPW5678

1 2

+5V (Default)

M2N/M2N DH USB Device Wake Up

2

3

+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.

M2N USB port default

 

 

status

USBPW1234

USBPW5678

USBPW910

+5VSB

-

-

-

+5V

Default

Default

Default

 

 

 

M2N DH USB port default

 

 

status

USBPW1234

USBPW5678

 

+5VSB

Default

-

 

+5V

-

Default

 

2-20

Chapter 2: Hardware information