Asus M2A690G installation manual USB Device Wake Up

2. USB device wake-up (3-pin USBPW1-4, USBPW5-8, USBPW910)

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).

The USBPW1234 jumper is for the rear USB ports. The USBPW5678 jumper is for the internal USB connectors that you can connect to additional USB ports.

	USBPWR1-4
			3
	2		2
	1
		+5V	+5VSB
	(Default)				USBPWR910
	USBPWR5-8					3
M2A-VM	1	2	2	3	2	2
					1
		+5V	+5VSB		+5V	+5VSB
	(Default)				(Default)

USB Device Wake Up

•The USB device wake-up feature requires a power supply that can

provide 500 mA 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.

4- Chapter 4: Motherboard info