Dell Inspiron 3800 System Reference Manual page 104

Ports and Connectors: Dell Inspiron 3800 System Reference
Figure 4. Connecting an External Mouse
NOTE: If the computer is in standby mode or save-to-disk-suspend (S2D)
mode when you attach an external mouse, the device is recognized
immediately by the computer when it resumes normal operation. However,
programs that were already running may need to be restarted in order to
recognize the mouse.
When you attach a PS/2 mouse to the computer, the DualPoint integrated pointing device is
automatically disabled. If you disconnect the mouse, you must shut down the computer or enter
standby mode and then resume from it before the DualPoint integrated pointing device is
operational. If you do not do this, the DualPoint integrated pointing 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 diskette that came with the mouse and reboot the computer.
You can also connect an external mouse to the APR.
Connecting an External Keyboard
You can attach a PS/2-compatible external 101- or 102-key keyboard to the computer's mini-
DIN connector, as shown in Figure 5.
Figure 5. Connecting an External Keyboard
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