User Guide

A
A
X
X
4
4
B
B
S
S
P
P
r
r
o
o
/
/
A
A
X
X
4
4
B
B
S
S
-
-
V
V
O
O
n
n
l
l
i
i
n
n
e
e
M
M
a
a
n
n
u
u
a
a
l
l
A
A
T
T
X
X
P
P
o
o
w
w
e
e
r
r
C
C
o
o
n
n
n
n
e
e
c
c
t
t
o
o
r
r
This motherboard comes with a 20-pin and 4-pin ATX power connector with an extra power connector for 5V/3.3V as shown
below. Make sure you plug in the right direction. We strongly recommend you to connect the 4-pin 12V ATX connector before
connecting the 20-pin ATX power connector and use standard power supply specially designed for Pentium 4 system.
COM
+3.3V
+5V
COM
12V
GND
3
+3.3V
+
5V
GND
1
2
4
4-Pin 12V ATX Power Connector
Extra Power Connector for 5V/3.3V
+5V
COM
PWR-OK
+12V
COM
+3.3V
+5V
+
5V
COM
-5V
COM
+
3.3V
20-Pin Power Connector
35
COM
COM
PS-ON
-12V