Com3 Mode Selection; Table 5-3: Clear Cmos Jumper Settings; Table 5-4: Com3 Mode Selection Jumper Settings - IEI Technology IMBA-8650 User Manual

IMBA-8650 Motherboard
Pins Description
Short 1 - 2 Keep CMOS Setup
Short 2 – 3 Clear CMOS Setup

Table 5-3: Clear CMOS Jumper Settings

5.4.3 COM3 Mode Selection

Jumper Label:
Jumper Type:
Jumper Settings:
Jumper Location:
The COM3 Mode Selection jumper sets the communication protocol used by the second
serial communications port (COM 3) as RS-232, RS-422 or RS-485. The COM3 Mode
Selection settings are shown in Table 5-4.
Pins Description
Short 1-2 RS-232 (by COM3)
Short 2-4
Short 3-5 RS-422 (by CN12)
Short 2-4
Short 3-5 RS-485 (by CN12)
Short 4-6

Table 5-4: COM3 Mode Selection Jumper Settings

Default
JP2
3-pin header
See Table 5-4
See Figure 5-6
Default
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