P4X MAINBOARD SERIES
Page 5
Chapter 1
Chapter 1
Chapter 1
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-
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Introduction
Introduction
Introduction
1.1. Mainboard and PC99 ATX External Connector Layout
Sp
eak
er
Po
wer
L
ED
Syste
m
Pa
ne
l an
d
LE
D C
on
nec
to
rs
CN 1
7:
C
ha
ssis F
an
CN 3
0:
U
SB 3
CN 3
1:
U
SB 4
JP
13:
Cl
ear
CMO
S
CN 3
2: U
SB
5
CN 3
8: U
SB
6
CN 1
0: ID
E 2
CN 9:
ID
E 1
CN 8:
FD
D
PCI
3
PCI
2
PCI
1
PCI
4
PCI
5
PCI
6
CN
R Sl
ot
CN 1
5-C
: AT
X
12
V Po
wer
S
uppl
y
CN 4
2: SM
B
DI
MM 1
DI
MM 2
DI
MM 3
CN 1
3: CP
U
Fan
JP
1:
K/
B
Po
wer
JP
2:
US
B 1,
2
Po
wer
PC 9
9 A
TX Co
nnec
to
r
CN
15-
B:
AT
X 1
2V
Po
wer
S
uppl
y
CN 1
5-A
: AT
X
12
V
Po
wer
S
uppl
y
CPU
47
8 S
oc
ke
t
He
at
Si
nk
Br
ac
ke
t
CN 2
1:
CD
-IN
AG
P Sl
ot
CN 1
6:
WO
L
CN 2
4: WO
M
CN 1
2:
IR
Introduction
JP
4/
JP
5: CP
U
F
SB
Sel
ec
tio
n
