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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