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2-5
Microphone jack A standard 3.5 mm mini microphone jack enables connec-
tion of a monaural microphone or other device for audio
input. When you connect an external microphone, the
internal microphone is automatically disabled.
Headphone jack A standard 3.5 mm mini headphone jack enables connec-
tion of a stereo headphone (16 ohm minimum) or other
device for audio output. When you connect headphones,
the internal speakers are automatically disabled.
CD/DVD-in-use This indicator glows green when the computer is
indicator accessing a diskette in the diskette drive or a disk in the
DVD-ROM, CD-RW/DVD-ROM, DVD-R/-RW, DVD Multi
or DVD±RW drive.
Back side
Figure 2-4 shows the computer’s back side.
Figure 2-4 The back side of the computer
Parallel port This Centronics-compatible, 25-pin parallel port that is used
to connect a parallel printer or other parallel device. This
port supports Extended Capabilities Port (ECP) standard.
External monitor This 15-pin port lets you connect an external monitor.
port
Back side
PARALLEL
PORT
DC IN 15V
E
XTERNAL MONITOR PORT
USB PORTS
COOLING VENTS
SECURITY LOCK