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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). The default is setting is on
pins 2-3 (+5VSB).
®
P4B-E Keyboard Power Setting
Figure 2-26
Keyboard Power Settings
6. Speaker selector (3-pin SPEECH) (on audio models only)
This jumper allows you to select the speaker you wish to use for the
ASUS POST Reporter™ function. Set to pins 1-2 to use the internal
speaker (usually included in the chassis). Set to pins 2-3 if you
connected an external speaker to the Line Out jack (lime color) on the
rear panel.
®
P4B-E Speaker Selector
Figure 2-27
Speaker Selection Settings
ASUS P4B-E motherboard user guide
2
1
+5V
P4B-E
P4B-E
1 2
SPEAKER
KBPWR
3
2
+5VSB
(Default)
SPEECH
2 3
LINE_OUT
(Default)
2-21
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