Instruction manual

3-12

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

3NC

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

CN3

COM 2