Hardware Installation
Attaching Connectors
15
3.5. Attaching Connectors
3.5.1.
Front Panel Connectors
There are six connectors on the mainboard for speaker, switches, and
indicator lights on the system’s front panel.
3
V
+
C
O
M
2
C
D
1
C
D
2
IR
W O L
W O M
P
C
I
5
I
S
A
P
C
I
4
P
C
I3
P
C
I
2
P
C
I
1
A
G
P
C
N
1
J
1
J
3
J
2
J
4
J
5
J
6
J
P
2
J P 1
J
7
B
A
T
P
W
S
W
3
D
I
M
M
3
D
I
M
M
2
D
I
M
M
1
ID
E
1
I
D
E
2
F
D
D
O
N
1
2
3
4
LOCK
FREE
HDD
LED
SPEAKER
Ground
Ground
LED cathode
LED cathode
LED anode
LED anode
Keylock
Non
Ground
Ground
Power on/off
Reset Single
Standby
Ground
+5V
+5V
Speaker-out
POWER LED
& KEYLOCK
STANDBY
BUTTON
RESET
BUTTON
POWER
SWITCH
Pin 1
Front Panel Connectors
Speaker
This 4-pin connector connects to the case-mounted speaker.
Power
LED &
Keylock
This 5-pin connector connects to the case-mounted key-
lock switch and the power LED. The keylock switch is
used to lock the keyboard for security purposes.
HDD LED
This 2-pin connector connects to the case-mounted HDD
LED to indicate hard disk activity.
STB LED
This 2-pin connector connects to the case-mounted STB
LED to indicate a standby status. The LED remains lit
even when the system is off to indicate that AC power is
available. When the system enters standby mode, the
LED starts blinking.
Reset
This 2-pin connector connects to the case-mounted reset
switch and is used to reboot the system.
PW SW
This 2-pin connector connects to the case-mounted Power button.
Содержание P6F121
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