Owner manual

IMBA-XQ354 Motherboard
Page 79
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 9Table 5-3
Jumper Location:
See 9Figure 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
9Table 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