Texas Instruments 4000M - Manual (Page 39)

Using Connectors and Ports
This section provides a description of connectors and ports on the rear and
right side panel of the TravelMate 4000M notebook computer.
Caution: Turn off the computer before connecting external devices.
Rear panel with door removed
1 Serial Connects to external devices such as a
(9-pin) serial printer. 16550 UART.
2 Keyboard, When up, the system will respond to an
External external keyboard or external numeric
Numeric keypad. When down, the system responds
Keypad, to an external mouse (see Keyboard,
Mouse External Numeric Keypad, Mouse in this
Switch list).
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