Connectors and Jumpers
1230B0026301
3-1
3
3
C
C
o
o
n
n
n
n
e
e
c
c
t
t
o
o
r
r
s
s
a
a
n
n
d
d
J
J
u
u
m
m
p
p
e
e
r
r
s
s
The locations of all the connectors described in this chapter are shown in “1.4.1 Connector and
Component Locations”.
“Key” stands for foolproof feature; “NC” stands for unused.
3
3
.
.
1
1
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
s
s
(
(
J
J
5
5
,
,
J
J
2
2
8
8
)
)
The main power supply connection is obtained using the 24-pin connector (only the first 20 pins are
populated when using an ATX12V power supply).
12V processor power is obtained using the 8-pin connector (only the first 4 pins are populated when
using an ATX12V power supply).
3.1.1 Main Power Connector (J5)
The main power connector and the pin definition are shown below:
Figure 3-1 Main Power Connector
