This guide suitable for fanless mini industrial pc P12 and P13 series, exact model names and details below:
1. Model P12-i5-4200U, Intel Haswell Core i5 CPU, Dual Intel Lan Port, 4 RS232 COM port, 2 RS232/422/485 COM port, to learn more details pls click here.
2. Model P12-i7-4500U, Intel Haswell Core i7 CPU, Dual Intel Lan Port, 4 RS232 COM port, 2 RS232/422/485 COM port, to learn more details pls click here.
3. Model P13-J1900, Intel Haswell Core i5 CPU, Dual Intel Lan Port, 4 RS232 COM port, 2 RS232/422/485 COM port, to learn more details pls click here.
Now let’s show how to change the 2 RS232 to RS422 and Rs485.
Step 1. Keep press “DEL” key when power on the pc to go bios.
Setp 2. press directiion key “->” to go “Advaaced”, then choose “SIO MISC Configuration”
Step 3. You can see COM1 Mode and Com2 Mode, you can change RS232/RS485/RS422 any time as per your requirement.
Step 4. After the above change, use direnction key to go “Save & Exit” .
