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ASUS P4B266-C motherboard user guide
2-19
4. 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).
5. DDR voltage (4-pin DDR_OV)
This jumper allows you to select the voltage supplied to the system
memory by changing the jumper setting.
DISABLE = 2.5V
STAGE1 = 2.6V
STAGE2 = 2.7V
It is recommended that you keep the default setting (Disable) for
system stability. Setting to Stage1 and Stage2 does not guarantee
better system performance.
P4B266-C
®
P4B266-C Keyboard Power Setting
KBPWR
+5V
(Default)
1
2
+5VSB
2
3
P4B266-C
®
P4B266-C DDR_OV Setting
DDR_OV
DISABLE STAGE1
12
2
3
STAGE2
3
4
(Default)