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M S-7566 M ainboard
En-18
PIN
SIGNAL
DESCRIPTION
1
HD_LED +
Hard disk LED +
2
PWR/SLP LED
MSG LED
3
HD_LED -
Hard disk LED -
4
PWR/SLP LED
MSG LED
5
RST_SW -
Reset Switch -
6
PWR_SW +
Power Switch +
7
RST_SW +
Reset Switch +
8
PWR_SW -
Power Switch -
9
RSVD
Reserved. Do not use.
JFP1 Pin Definition
Front Panel Connectors: JFP1, JFP2
These connectors are for electrical connection to the front panel switches and LEDs.
The JFP1 is compliant with Intel
®
Front Panel I/O Connectivity Design Guide.
PIN
SIGNAL
DESCRIPTION
1
GND
Ground
2
SPK-
Speaker-
3
SLED
Suspend LED
4
BUZ+
Buzzer+
5
PLED
Power LED
6
BUZ-
Buzzer-
7
NC
Key (No Pin)
8
SPK+
Speaker+
JFP2 Pin Definition
Serial Port Connector: JCOM1
This connector is a 16550A high speed communication port that sends/receives 16
bytes FIFOs. You can attach a serial device.
PIN
SIGNAL
DESCRIPTION
1
DCD
Data Carry Detect
2
SIN
Serial In or Receive Data
3
SOUT
Serial Out or Transmit Data
4
DTR
Data Terminal Ready
5
GND
Ground
6
DSR
Data Set Ready
7
RTS
Request To Send
8
CTS
Clear To Send
9
RI
Ring Indicate
Pin Definition
JCOM1
1
9
2
10
1
2
9
10
JFP1
HDD
LED
Reset
Switch
Power
LED
Power
Switch
+
+
+
-
-
-
7
8
Power
LED
Speaker
1
2
JFP2
+
+
-
-
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