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Chapter 1: Product introduction
2. Keyboard power (3-pin KBPWR1)
This jumper allows you to enable or disable the keyboard wake-up feature.
Default setting is 2-3. Set this jumper to pins 1-2 (+5V) if you do not want 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 +5VSB
lead, and a corresponding setting in the BIOS.