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2.
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) 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.
P5K-VM Keyboard power setting
3.
USB device wake-up (3-pin USBPW1-4, USBPW5-8,
USBPW9-12)
Set these jumpers to +5V to wake up the computer from S1 sleep
mode (CPU stopped, DRAM refreshed, system running in low power
mode) using the connected USB devices. Set to +5VSB to wake up
from S3 and S4 sleep modes.
The USBPW1-4 jumpers are for the rear USB ports. The USBPW5-8 and
USBPW910 jumpers are for the internal USB connectors that you can
connect to additional USB ports.
P5K-VM USB device wake-up
•
•
4-4
The USB device wake-up feature requires a power supply that can
provide 500mA on the +5VSB lead for each USB port; otherwise,
the system will not power up.
The total current consumed must NOT exceed the power supply
capability (+5VSB) whether under normal condition or in sleep mode.
KBPWR
3
2
2
1
+5V
+5VSB
(Default)
USBPW1-4
USBPW5-8
3
2
2
2
1
1
+5V
+5VSB
+5V
(Default)
(Default)
USBPW9-12
1 2
2 3
+5V
+5VSB
(Default)
Chapter 4: Motherboard info
3
2
+5VSB
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