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2 com port pin 9 function select – IEI Integration IMBA-XQ354 v1.00 User Manual

Page 98

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IMBA-XQ354 Motherboard

Page 78

Figure 5-8: Clear CMOS Jumper

5.4.2 COM Port Pin 9 Function Select

Jumper Label:

J_COM_F3, J_COM_F4, J_COM_F5 and J_COM_F6

Jumper Type:

5-pin header

Jumper Settings:

See

937H937H

Table 5-3

Jumper Location:

See

938H938H

Figure 5-9

NOTE:

If the Pin 9 function is selected as voltage output, the voltage must be

specified as either +5 V or as +12 V. To do this please refer to the

following section.

The COM Port Pin 9 Function Select jumpers configure pin 9 on the COM3, COM4, COM5

and COM6 connectors. Pin 9 on COM3, COM4, COM5 and COM6 can be set as either a

ring (RI) signal or as a power source. The COM Port Pin 9 Function Select jumper

selections options are shown in

939H939H

Table 5-3.

COM Port Jumper

Pin 9 Voltage Input

Pin 9 RI Function

COM3

J_COM_F3

Short 1-2

Short 2-3

COM4

J_COM_F4

Short 1-2

Short 2-3

COM5

J_COM_F5

Short 1-2

Short 2-3