
IMB-Q354 microATX Motherboard
Page 72
The COM Port Pin 9 Voltage Setting jumpers configure pin 9 on COM 2/COM 3/COM 4 as
either a +5V or +12V power source. The COM Port Pin 9 Voltage Setting jumpers
selection options are shown in
Table 4-3.
J_COM_V2 Description
Short 1 – 2 COM 2 RI Pin use +5V Default
Short 2 – 3 COM 2 RI Pin use +12V
J_COM_V3 Description
Short 1 – 2 COM 3 RI Pin use +5V Default
Short 2 – 3 COM 3 RI Pin use +12V
J_COM_V4 Description
Short 1 – 2 COM 4 RI Pin use +5V Default
Short 2 – 3 COM 4 RI Pin use +12V
Table 4-4: COM Port Pin 9 Voltage Setting Jumper Settings
The COM Port Pin 9 Voltage Setting jumper locations are shown in Figure 4-10 below.
Figure 4-11: COM Port Pin 9 Voltage Setting Jumper Locations
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