User manual

 Chapter 3: Motherboard info
2. USB device wake-up (3-pin USBPW1-4, USBPW56)

(CPU stopped, DRAM refreshed, system running in low power mode) using

modes (no power to CPU, DRAM in slow refresh, power supply in reduced
power mode).
 

the system would not power up.
• The total current consumed must NOT exceed the power supply

3. Keyboard power (3-pin KBPWR)


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

M 3R 7 8 L
R
M3R78L Keyboard Power Setting
2 3
1 2
(Default)
+5V
+5VSB
KBPWR
M 3R 7 8L
R
M3R78L USB Device Wake Up
3
2
2
1
USBPW56
(D
e
fa
u
lt
)
+5
V
+5VSB
3
2
2
1
USBPW1-4
(D
e
fault)
+5
V
+5VSB