HP OmniBook 4150 Notebook PC - Manual (Page 27)

Using the Dock
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4. Click Change, then select Standard Mouse Types.
5. Click OK, Close, then click Yes when prompted to restart.
To connect a serial device
Use standard serial cables and adapters available at computer dealers and
electronic supply stores to connect serial devices.
1. Attach the serial cable to the serial port.
2. Dock the OmniBook in the dock.
3. If necessary, install your serial device driver. See your Windows or device
manual for instructions.
The serial port is COM1.
Serial Port