Connector Introduction
3 1
A
B
C
D
E
G
J
L
N
R
U
F
H
K
M
P
T
V
W
Y
1
2
4
3
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
A
B
C
D
E
F
G
H
J
K
L
M
N
P
R
T
U
V
W
Y
AA
AB
AC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
AD
AE
AF
24
25
26
27
28
29
AJ
AH
AG
30
31
AK
AL
A
B
C
D
E
F
G
H
J
K
L
M
N
P
R
T
U
V
W
Y
AA
AB
AC
1
2
3
4
5
6
7
8
9 10 11 12
13 14 15 16 17 18 19 20 21 22 23
AD
AE
AF
24 25 26 27 28 29
AJ
AH
AG
30 31
AK
AL
G
Y
10
2
9
1
G
Y
10
2
9
1
1
2 3 4
5
6
7
8
9
10
11
12
13
14
A
B
C
D
E
F
G
J
K
L
M
N
P
H
Y W
V U T R
20
19
18
17
16
15
H
P N M L K J
G F E D C B A
14
13
12
11
10
9
8
7
6
5
4
3
2
1
70
69
2
1
1
A
B
C
D
E
F
G
H
J
K
L
M
N
P
R
T
U
V
W
Y
AA
AB
AC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
AD
AE
AF
24
25
26
27
28
29
AJ
AH
AG
AF
AE
AD
AC
AB
AA
Y
W
V
U
T
R
P
N
M
L
K
J
H
G
F
E
D
C
B
A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
H) F_Panel1 (2X10 Pins)
Please connect the power LED, PC speaker, reset switch and power switch etc of your chassis
front panel to the front panel jumper according to the pin assignment below.
Pin No
Signal Name
Description
1
HD+
Hard Disk LED pull up (330 ohm)
2
MPD+
Pull up 330 ohm
3
HD-
Hard Disk Active LED Signal
4
MPD-
Suspend LED (Blinking)
5
RST-
Ground
6
PW+
Front Panel Power On/Off Button Signal
7
RST+
Ground
8
PW-
Front Panel Power On/Off Button Signal(GND)
9
N C
No Connect
10
KEY
KEY
11
KEY
KEY
12
KEY
KEY
13
KEY
KEY
14
SPK+
Speaker connector (5V Standby)
15
KEY
KEY
16
N C
No Connect
17
KEY
KEY
18
N C
No Connect
19
KEY
KEY
20
Speaker-
Speaker connector
1 2
19 20
RST+
HD+
HD -
RST -
NC
MPD+
MPD -
PW+
PW -
SPK+
SPK -
NC
NC
Speaker
Connector
Power Sleep LED
Soft Power
Connector
IDE Hard Disk
Active LED
Reset Switch
