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Identifying the hardware features
Rear view of the computer
ThinkPad
1 The PC Card slot accepts a PC Card.
2 The PC Card eject button ejects the PC Card from the PC Card
slot.
3
The headphone jack, a ⅛inch (3.5mm) diameter jack, is where
you connect stereo headphones or external speakers.
4
The line-in jack, a ⅛inch (3.5mm) diameter jack, is where you
connect an external audio device.
5
The microphone jack, a ⅛inch (3.5mm) diameter jack, is
where you connect a self-powered stereo microphone.
Note: Do not plug any device into the microphone jack except a
microphone.
6
The external diskette drive connector allows you to connect
the external diskette drive to the ThinkPad 240.
7
The security keyhole is used with a mechanical lock.
8
The internal modem port is used for connecting your com-
puter to an analog telephone line. (Availability depends on model
and country configuration.)
4 ThinkPad 240 User's Reference