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Locations
Chapter 2. Getting Familiar with Your Computer
2-5
Rear View
The rear door covers the
connectors on the rear of the
computer.
The power jack is where the
AC Adapter cable is
connected.
The security keyhole is
used when securing the
ThinkPad with a Kensington
MicroSaver Security System
lock (hereafter called a
Kensington lock) or
compatible lock.
The microphone-in jack, a
1/8-inch (3.5-mm) diameter
jack, is where a stereo
microphone is connected.
The line-in jack, a 1/8-inch
(3.5-mm) diameter jack, is
where an external audio
device is connected.
The external diskette drive
connector is where you
connect the cable of the
external diskette drive. (See
page 3-21.)
The line-out/headphone
jack, a 1/8-inch (3.5-mm)
diameter jack, is where you
connect a stereo headphone
or external speakers.
The serial connector is
where you connect a 9-pin,
serial-device cable.
The fan keeps the inside of
the computer cool.
The parallel connector is
where you usually connect a
parallel-printer signal cable.
(See page 6-13.)
The external display
connector is where you
attach an external monitor.
(See page 3-14.)
The external input device
connector is where a
mouse, an external numeric
keypad, or the
keyboard/mouse connector is
plugged in. An external
keyboard can also be
connected through the
keyboard/mouse connector.
Bottom View
The memory door covers
the dual-inline memory
module (DIMM) slots.
Optional DIMM increases
system memory capacity.
Caution
Do not use any memory cards
other than the IBM ThinkPad 310
memory card.