L4IBMG2 / L4IBMGL2 V1.0b
11
C
C
o
o
n
n
n
n
e
e
c
c
t
t
i
i
n
n
g
g
C
C
a
a
s
s
e
e
C
C
o
o
m
m
p
p
o
o
n
n
e
e
n
n
t
t
s
s
After you have installed the mainboard into a case, you can begin connecting
the mainboard components. Refer to the following:
1.
Connect the Pentium 4
processor auxiliary case
power supply connector
to
ATX12V
1
.
2.
Connect the standard
power supply connector
to
ATX1
1
.
3.
Connect the CPU cool-
ing fan cable to
CPUFAN1
.
4.
Connect the auxiliary
power supply cooling fan
connector to
PWRFAN1
.
5.
Connect the case cool-
ing fan connector to
either
CASFAN1
.
6.
Connect the case
speaker cable to
SPEAKER1
.
7.
Connect the case
switches and indicator to
PANEL1.
Note
: W h e n t h e s y s tem is heavily loaded,
you should install, at a minimum, an
ATX12V power supply with a 300W
capacity.
ATX1: ATX 20-pin Power Connector
Pin
Signal Name
Pin
Signal Name
1
+3.3V
11
+3.3V
2
+3.3V
12
-12V
3
Ground
13
Ground
4
+5V
14
PS ON#
5
Ground
15
Ground
6
+5V
16
Ground
7
Ground
17
Ground
8
PWRGD
18
+5V
9
+5VSB
19
+5V
10
+12V
20
+5V
1
You can either use the 5V or 12V ATX power; the mainboard can work properly on both power supplies.