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5. 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 (see section 4.5.1 Power Up Control).
P4B266-E
P4B266-E Keyboard Power Setting
6. DDR voltage (4-pin DDR_OV)
This jumper allows you to select the voltage supplied to the system
memory by changing the jumper setting.
P4B266-E
P4B266-E DDR_OV Setting
It is recommended that you keep the default setting (Normal) for
system stability. Setting to Stage1 does not guarantee better system
performance.
2-20
®
1 2
®
Reserved
KBPWR
3
2
2
1
+5V
+5VSB
(Default)
DDR_OV
2 3
NORMAL
STAGE1
(Default)
Chapter 2: Hardware information
3 4
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