Serial port connector: com 2, Ipmb power connector: cn4, Pin ipmb connector: cn3 – MSI MS-9246 User Manual
Page 60: Com 2
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MS-9246 1U Rackmount Server
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.
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
IPMB Power Connector: CN4
This connector is used to connect the power supply of the IPMB (Intelligent
Platform Management Bus).
PIN
SIGNAL
1
SMB clock
2
SMB data
3
PS alert
4
GND
5
3.3RS
Pin Definition
CN3 Pin Definition
PIN
SIGNAL
1
P3V3_AUX
2
GND
3
NC
4
SMBDATA
5
SMBCLK
5-pin IPMB Connector: CN3
The mainboard provides IPMB (Intelligent Platform Management Bus) connec-
tors for users to connect the BMC (Baseboard Management Controller) card.
CN4
1
CN3
1
COM 2
1
9
2
8