3.7Jumpers

This section describes and illustrates the jumpers on the motherboard.

1.USB device wake-up (3-pin USB_PWR12, USB_PWR34, USB_PWR56)

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 USB_PWR12 jumper is for the rear USB ports. The

USB_PWR34 and USB_PWR56 jumpers are for the internal USB headers that connect to the front USB ports and USB-CF slot.

NOTES

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 does not power up.

The total current consumed must NOT exceed the power supply capability (+5VSB) whether under normal condition or in sleep mode.

P4SC-E

P4SC-E USB Device Wake Up

USB_PWR12

1

2

 

2

3

 

+5V

+5VSB

 

(Default)

USB_PWR34

 

USB_PWR56

 

1 2

2

3

+5V+5VSB (Default)

ASUS Terminator P4 533 Barebone System

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Asus P4 533 manual Jumpers, USB device wake-up 3-pin USBPWR12, USBPWR34, USBPWR56