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Connecting an additional monitor
You can connect two monitors to your computer without installing an
additional card. See the instructions that came with your monitor and
“Connecting a Monitor” in Chapter 1.
When you connect an additional monitor:
m Make sure that the ventilation openings on the computer and the monitors
are clear and unobstructed.
m If there is interference on your screens or on a television or radio near your
Macintosh, separate or reposition the affected equipment.
Connecting a trackball or other input device
Your computer has an Apple Desktop Bus (ADB) port, which you use to
connect the mouse, the keyboard, and other input devices such as a trackball,
a bar-code reader, or a graphics tablet.
You can connect up to three ADB devices in a chain to a single port. The
exact number depends on how much power the devices require.
IMPORTANT
The total power used by all ADB devices connected to your
Macintosh must not exceed 500 milliamperes (mA). Information about the
power requirements of the mouse and keyboard are in the Te ch n ical
Information booklet that came with your computer. Check the information
that came with your other ADB device for power requirements.
ADB port icon
ADB port
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Chapter 5