Asus A8V-X A8V-X User's Manual for English Edition - Page 33
A8V-X USB Device Wake Up, A8V-X Keyboard Power Setting
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2. USB device wake-up (3-pin USBPW1234, USBPW5678) 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). A8V-X ® A8V-X USB Device Wake Up USBPW1234 2 1 +5V 3 2 +5VSB (Default) USBPW5678 12 23 +5V +5VSB (Default) • 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. 3. 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 (+5VSB) if you wish to wake up the computer when you press 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. A8V-X KBPWR 12 23 +5V +5VSB (Default) ® A8V-X Keyboard Power Setting ASUS A8V-X 1-21