Asus P4GE-MX P4GE-MX User Manual E1722 English Edition - Page 24

2. Keyboard power (3-pin KBPWR) This jumper allows you to enable or disable the keyboard wake-up feature. Set this jumper to pins 2-3 (+5V) if you wish to wake up the computer when you press a key on the keyboard. This feature requires an ATX power supply that can supply at least 1A on the +5V lead, and a corresponding setting in the BIOS. ® P4GE-MX KBPWR 2 1 +5V (Default) 3 2 +5VSB P4GE-MX Keyboard power setting 3. USB device wake-up (3-pin USBPWR_12, USBPWR_34, USBPWR_56) 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). USBPWR_12 3 2 2 1 +5V (Default) +5VSB USBPWR_34 3 2 2 1 +5V (Default) +5VSB ® P4GE-MX P4GE-MX USB device wake up USBPWR_56 12 23 +5V (Default) +5VSB • The USB device wake-up feature requires a power supply that can provide 500mA 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. 1-14 Chapter 1: Product introduction