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Connecting other devices
For instructions on connecting a device not discussed in this chapter—for
example, an external input device (such as a mouse) or networking
hardware—refer to the manuals that came with the device.
Adding infrared (IR) capabilities to your computer
Your Macintosh PowerBook comes ready to install a PowerBook Infrared
Upgrade Card. When you add this card to your PowerBook, you can use the
Apple IR File Exchange application program (which comes on your hard
disk) to exchange items with another IR-equipped computer without needing
a cable connection. See your Apple-authorized dealer for further information.
Adding memory to your computer
Your Macintosh PowerBook comes with at least 4 MB of RAM. You can
increase your computer’s memory by adding a RAM expansion card. You can
find out how much memory your computer has by choosing About This
Macintosh from the Apple (K) menu in the Finder.
You can purchase memory upgrades from Apple-authorized dealers. For
complete instructions on installing a RAM expansion card, see Appendix C.
Your Macintosh PowerBook also supports virtual memory, a feature that
makes use of hard disk space to provide additional RAM. Your computer was
developed to take advantage of the virtual memory feature. If your computer
came with 4 MB of RAM, virtual memory is turned on; if it came with 8 MB
of RAM, virtual memory is turned off. For information on using virtual
memory, see the “Memory” topic of Macintosh Guide, available in the
Guide (h) menu.
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Connecting Additional Equipment