Asus M4A78LT-M LE User Manual - Page 29
M4A78LT-M LE USB Device Wake Up
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2. USB device wake-up (3-pin USBPW1-4, USBPW5-10) 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 these jumpers to +5VSB to wake up the compurer from S3 and S4 sleep modes (no power to CPU, DRAM in slow refresh, power supply in reduced power mode). USBPW1-4 12 23 +5V +5VSB (Default) USBPW5-10 M4A78LT-M LE 12 23 +5V +5VSB (Default) M4A78LT-M LE USB Device Wake Up 3. Keyboard power (3-pin KBPWR) This jumper allows you to enable or disable the keyboard 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). This feature requires an ATX power supply that can supply at least 1A on the +5VSB lead, and a corresponding setting in the BIOS. KBPWR 12 23 +5V +5VSB (Default) M4A78LT-M LE M4A78LT-M LE Keyboard Power Setting ASUS M4A78LT-M LE E5032_M4A78LT-M LE.indb 19 1-19 9/25/09 2:31:51 PM