Which COM port is the serial port?
Also question is, which serial port is com1?
The COM ports in PC-compatible are typically defined as: COM1: I/O port 0x3F8, IRQ 4. COM2: I/O port 0x2F8, IRQ 3.
One may also ask, what is serial port and parallel port? The main difference between a serial port and a parallel port is that a serial port transmits data one bit after another, while a parallel port transmits all 8 bits of a byte in parallel. Computers have both serial and parallel ports along with newer technology called a USB (Universal Serial Bus) port.
Regarding this, how do I know which COM port?
To check what port is used by what service. Open device manager Select the COM Port Right click and then click on Properties/Port Settings Tab/Advanced Button/COM Port Number Drop-down menu and assigned the COM port.
Which USB port is com1?
Do this by right-clicking the line USB Serial Port and select Properties from the popup menu. Click on the Port Settings tab, and then click the Advanced Button. Select the COM port Number dropdown box and select a COM port number 2, 3, or 4 (usually COM1 is already in use).