USB DevicesYou can attach a USB hub device to the USB connector. The USB hub device can support multiple USBdevices (typically low-speed peripherals such as mice, keyboards, printers, and computer speakers). TheC/Port APR Family and the C/Dock Expansion Station Family docking solutions have two USB connectors.NOTE: If you are using a USB external keyboard, do not enter the system setup program by using akeyboard command on an external keyboard. Instead, press on the computer's keyboard.Mouse, External Keyboard, and External Numeric KeypadYou can attach a PS/2-compatible device such as a mouse, 101- or 102-key keyboard, or numeric keypad tothe mini-DIN PS/2 connector (see Figure 5).You can also connect these devices to the C/Port Family APR or the C/Dock Family Expansion Station.Figure 5. External Mouse, Keyboard, or Keypad ConnectorMouseIf the Pointing Device option in the system setup program is set to Touch Pad-PS/2 Mouse (thedefault), you can use both the DualPoint device and an external PS/2-compatible mouse if one is attached. Ifyou disconnect the mouse, to use the advanced features of the DualPoint integrated pointing device, youmust shut down the computer or enter suspend or standby mode and then resume. If you do not do this, theDualPoint integrated pointing device resumes operation in standard PS/2 mode, which means that many ofthe configuration features are disabled.If you are using a PS/2-compatible mouse that is not made by Microsoft and the mouse does not workproperly, reboot the computer. If the mouse still does not work, install the drivers from the diskette or CD thatcame with the mouse and reboot the computer.External KeyboardYou can use the computer's keyboard and an external keyboard at the same time. When you attach akeyboard to the computer, the embedded numeric keypad is automatically disabled.
