2-22 Chapter 2: Hardware information
P5GC
Keyboard/mouse Power Setting
P5GC
(Default)
1 2
2 3
+5V
+5VSB
KB/MSPW
2. Keyboard/mouse power wake-up (3-pin KB/MSPW)
This jumper allows you to enable or disable the keyboard and mouse
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 500
mA on the +5VSB lead, and a corresponding setting in the BIOS.
The total current consumed must NOT exceed the power supply capability
(+5VSB) whether under normal condition or in sleep mode.
P5GC
USB Device Wake Up
P5GC
3
2
2
1
USBPW1-4
+5
V
(D
e
fa
u
lt
)
+5VSB
3
2
2
1
USBPW5-8
+5
V
(D
e
fault)
+5VSB
3. USB device wake-up (3-pin USBPW1-4, USBPW5-8)
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 (no power to CPU, DRAM in slow refresh, power supply in reduced
power mode).
• 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 would
not power up.
• The total current consumed must NOT exceed the power supply capability
(+5VSB) whether under normal condition or in sleep mode.
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