Asus M4A78 PLUS - Motherboard - ATX Specifications download pdf (Page 29)

2. Keyboard/mouse power (3-pin KBPWR)

This jumper allows you to enable or disable the keyboard/mouse and USB port 1-4

wake-up feature. When you set this jumper to pins 2-3 (+5VSB), you can wake up the

computer by pressing a key on the keyboard (the default is the Space Bar), clicking

the mouse, or using a USB device. This feature requires an ATX power supply that can

supply at least 1A on the +5VSB lead, and a corresponding setting in the BIOS. This

jumper is for the rear USB ports.

3. USB device wake-up (3-pin USBPW1-6 and USBPW7-12)

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). This jumper is for the

internal USB connectors that you can connect to additional USB ports.

Chapter 1: Product introduction 1-19

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Asus M4A78 PLUS - Motherboard - ATX Specifications Page 29