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Chapter 2: Hardware information
2.7 Switches and jumpers
1. Keyboard power (3-pin KBPWR1)
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 (see section 4.5.1 Power Up Control).
A7V8X
®
A7V8X Keyboard Power Setting
KBPWR1
(Default)
+5V
1
2
+5VSB
2
3
2. V
CORE
over-voltage (3-pin OVER_VOLT1)
When enabled, this jumper allows CPU V
CORE
ranges of 1.7V to 2.05V.
When this jumper is disabled, V
CORE
setting has a range of +1.5V to
+1.85V. You may adjust the CPU V
CORE
through the BIOS Setup.
Setting to a very high core voltage may cause permanent damage to
the CPU. It is recommended that you keep the default setting
(Disable).
A7V8X
®
OVER_VOLT1
A7V8X CPU Over Voltage Setting
12 23
(Default)
OVERVOLT
ENABLE
OVERVOLT
DISABLE