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

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)

USBPW34 2 1

+5V (Default)

M2S-X

USBPW56
M2S-X USB Device Wake Up

2 1

+5V (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 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