Asus P4VP-MX User Manual page 26

2. USB device wake-up (3-pin USBPWR12, USBPWR34, USBPWR56)
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).
The USBPWR56 jumpers are for the internal USB header that you can connect
to the front USB ports.
1. This feature requires a power supply that can provide at least 1A
2. The total current consumed must NOT exceed the power supply
P4VP-MX USB Device Wake Up
1-16
on the +5VSB lead when these jumpers are set to +5VSB.
Otherwise, the system does not power up.
capability (+5VSB) whether under normal or in sleep mode.
®
P4VP-MX
USBPWR12
USBPWR34
3
2
2
1
+5V +5VSB
(Default)
USBPWR56
3
2
2
1
+5V +5VSB
(Default)
Chapter 1: Product introduction