2-14
MS-9152 ATX Server Board
Serial Port Connector: COM 2
The mainboard provides one 9-pin header as serial port COM 2. The port is a
16550A high speed communication port that sends/receives 16 bytes FIFOs. You can
attach a serial mouse or other serial devices directly to it.
COM 2
1
9
8
2
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
Front Panel Connector: JFP1
The mainboard provides one front panel connector for electrical connection to
the front panel switches and LEDs. The JFP1 is compliant with Intel
®
Front Panel I/O
Connectivity Design Guide.
1
2
9
10
JFP1
HDD
LED
Reset
Switch
Power
LED
Power
Switch
PIN
SIGNAL
DESCRIPTION
1
HD_LED_P
Hard disk LED pull-up
2
FP PWR/SLP
MSG LED pull-up
3
HD_LED_N
Hard disk active LED
4
FP PWR/SLP
MSG LED pull-up
5
RST_SW_N
Reset Switch low reference pull-down to GND
6
PWR_SW_P
Power Switch high reference pull-up
7
RST_SW_P
Reset Switch high reference pull-up
8
PWR_SW_N
Power Switch low reference pull-down to GND
9
RSVD_DNU
Reserved. Do not use.
JFP1 Pin Definition
