Compatible Models: K4-i5-4200U/i7-4500U
Note: There are two motherboard models for this model. Model 1 is PE_H81U-V1.11 (1G network card model), which only requires changing the motherboard jumper to switch, and BIOS modification is not necessary. Model 2 is PE_H81U-V1.61 (2.5G network card model), which requires entering BIOS to change the COM port working mode and cheap prescription viagra changing the motherboard jumper.
- Press the power button, then quickly tap the prijs op viagra Delete key on the keyboard to access the BIOS. Navigate to Advanced > IT8786 Super IO Configuration > Serial Port 2 Configuration. Set the COM2 Mode to RS485, then press F10 to save and exit after configuration.
2. With the power off, dismantle the unit to locate the JCOM2_SET1 pin row on the motherboard. This pin row is used to switch between RS232, RS422, and RS485 modes. When switching to RS422 mode, move the cenforce ohne rezept kaufen osterreich jumper cap to pins 3-4; when using RS485, move the jumper cap to pins 5-6. Note: The jumper cap is initially inserted into pins 1 and 2 by default. After moving the jumper cap, the external COM2 will become inactive!
3. Based on the requirements, connect the RS422 or RS485 cable from outside the chassis to the JRS485-422 pin on the motherboard. The pin pitch is 2.54mm. For RS422, connect 4 wires; for RS485, connect 2 wires. The pin definition of JRS485-422 is as follows:
RS485 Mode Cable Connection Illustration:
RS422 Cable Connection Illustration:
Note: RS422 requires 4 wires. Whenever possible, use cables of different colors to facilitate distinguishing between the signal types of the wires.
