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Docking Devices
USB Devices
Mouse, External Keyboard, and External Numeric Keypad
Mouse
If the Pointing Device option in the system setup program is set to Touch Pad-PS/2 Mouse (the default), you can use both the DualPoint device
and an external PS/2-compatible mouse if one is attached. If you disconnect the mouse, to use the advanced features of the DualPoint device, you
mustshutdownthecomputerorenterstandbymodeandthenresume.Ifyoudonotdothis,theDualPointdeviceresumesoperationinstandard
PS/2 mode, which means that many of the configuration features are disabled.
If you are using a PS/2-compatible mouse that is not made by Microsoft and the mouse does not work properly, reboot the computer. If the mouse
still does not work, install the drivers from the floppy disk or CD that came with the mouse and reboot the computer.
External Keyboard
You can use the computer's keyboard and an external keyboard at the same time. When you attach a keyboard to the computer, the embedded
numeric keypad is automatically disabled.
Onanexternalkeyboard,the<ScrollLock>keyactsthesamewayasthe<Fn>keyonthecomputer’s keyboard (if the External Hot Key option is
enabled in the system setup program).
External Numeric Keypad
When you attach an external numeric keypad to the computer, the numeric keypad on the computer keyboard is automatically disabled. The lights
on the integrated keyboard track the operation of an external numeric keypad.
Serial Devices
AC Adapter
You can attach a parallel device (usually a printer) to the parallel connector.
You can attach a Dell docking device to the docking connector. For information on docking your computer, see the documentation
that came with your docking device.
You can attach USB-compatibledevicessuchasamouse,keyboard,printer,orscannertoaUSBconnector.
You can attach a mouse, 101- or 102-key keyboard, or numeric keypad to the Personal System/2 (PS/2) connector.
You can attach a serial device, such as a serial mouse, to the serial connector.