2. USB devi ce wake-up (3-pi n PS2_USB_PWR)

Set this jumper 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).

PS2_USB_PWR

1

2

 

2

3

 

 

 

 

 

+5V +5VSB (Default)

A8V-VM SE

A8V-VM SE USB Device Wake Up•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.

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Chapter 1: Product introduction