11 jumpers, 16 chapter 1: product introduction – Asus P4S800 User Manual

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1-16

Chapter 1: Product introduction

1.11

Jumpers

1. USB device wake-up (3-pin USBPW12, USBPW34, USBPW56)

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).

The rear panel USB ports (Ports 1 to 4) do not support device wake-up from S4
sleep mode.

P4S800

P4S800 USB Device Wake Up

+5V

(Default)

+5VSB

USBPW12
USBPW34

+5V

(Default)

+5VSB

USBPW56