Clear Cmos Setup (Jp1); Com2 Port Rs232/422/485 Selection (Jp10, Jp20); Table 3-3: Clear Cmos Jumper Settings; Table 3-4: Com2 Port Jumper Settings - Acnodes PC 5170 User Manual

3.5.3 Clear CMOS Setup (JP1)

If the motherboard fails to boot due to improper BIOS settings, use this jumper to clear the
CMOS data and reset the system BIOS information.
close pins 2 and 3 for a few seconds then reinstall the jumper clip back to pins 1 and 2.
If the "CMOS Settings Wrong" message displays during the boot up process, try to correct
the fault by pressing the F1 to enter the CMOS Setup menu. Then do one of the following:
123 Enter the correct CMOS setting
124 Load Optimal Defaults
After one of the above has been done, save the changes and exit the CMOS Setup menu.
JP1 DESCRIPTION
1-2 closed Normal (Default)
2-3 closed Clear CMOS

Table 3-3: Clear CMOS Jumper Settings

3.5.4 COM2 Port RS232/422/485 Selection (JP10, JP20)

The COM Port jumper configures the COM2 serial port.
JP10
1-2,4-5,7-8,10-11 closed
2-3,5-6,8-9,11-12 closed
2-3,5-6,8-9,11-12 closed

Table 3-4: COM2 Port Jumper Settings

PC 5170 Flat Panel PC
JP20 DESCRIPTION
1-3 closed RS232 (default)
3-5, 2-4 closed RS422
3-5, 4-6 closed RS485
To do this, use the jumper cap to
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