Dell Inspiron 3700 Reference Manual page 54

You can connect a television with an S-Video connector to your computer.
To connect the cables, follow these guidelines:
If your television uses an S-Video cable for video input, connect one end of that cable directly to your computer's S-Video TV-out connector
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and the other end into your television's S-Video connector. Connecting the S-Video cable that came with your television to the television's S-
Video connector and to the S-Video TV-out connector on your computer allows your computer to output video information to your television.
If your television uses a composite video cable for video input, you need both the Composite TV-Out Adapter cable that came with your
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computer and the composite video cable that came with your television. Connecting these cables together, then connecting them to your
television composite video-in connector and your computer's S-Video TV-out connector, allows your computer to output video information to
your television.
To connect a television which has a composite video-in connector to your computer's S-Video TV-out connector, perform the following steps:
1. Connect the Composite TV-Out Adapter cable that came with your computer to your computer's S-Video TV-out connector.
2. Connect the other end of the Composite TV-Out Adapter cable to your television's composite video cable.
3. Connect the composite video cable to your television's composite video connector.
Keyboard
You can attach a Personal System/2 (PS/2)-compatible external 101- or 102-key keyboard to the computer's mini-Deutsche Industrie Norm (DIN)
connector, as shown in Figure 3.
Figure 3. Attaching an External Keyboard
NOTE: If the computer is in standby mode or save-to-disk suspend mode when you attach an external keyboard, the device is
recognized immediately by the computer when it resumes normal operation.
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).
You can also connect an external keyboard to the Inspiron 3700 Advanced Port Replicator (APR).
Keypad
You can attach a PS/2-compatible external numeric keypad to the computer's mini-DIN keypad connector.
NOTE: If the computer is in standby mode or save-to-disk suspend mode when you attach an external keypad, the device is recognized
immediately by the computer when it resumes normal operation.
When you attach a numeric keypad to the computer, the embedded numeric keypad is automatically disabled. The indicators on the integrated
keyboard track the operation of an external numeric keypad.
You can also connect an external keypad to the Inspiron 3700 APR.
Mouse
You can attach a PS/2-compatible mouse to the computer's mini-DIN mouse connector, as shown in
Figure 4. Connecting an External Mouse
Figure 2 shows the location of the S-Video connector.
Figure 4.