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Chapter 4: Motherboard informationChapter 4: Motherboard information

Chapter 4: Motherboard information

2.2.

USB device wake-up (3-pin USBPW12, USBPW34,USB device wake-up (3-pin USBPW12, USBPW34,

USB device wake-up (3-pin USBPW12, USBPW34,

USBPW56)USBPW56)

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 sleep mode (no power to CPU, DRAM in slow refresh, power

supply in reduced power mode). Both jumpers are set to pins 1-2

(+5V) by default because not all computers have the appropriate

power supply to support this feature.

The USBPW_12 and USBPW_34 jumpers are for the rear USB ports.

The USBPW_56 jumper is for the internal USB header that you can

connect to the front USB ports.

•

This feature requires a power supply that can provide at least 1A on

the +5VSB lead when these jumpers are set to +5VSB; 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.

+5V

(Default)

+5VSB

USB device wake-up

USBPW12

USBPW34

2321

+5V

(Default)

+5VSB

USBPW56

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