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Getting to Know Your Computer 19
SDRAM slots
You can install additional memory in your computer by inserting up to 4 DRAM DIMMs in
the memory slots. You can expand your computer’s memory up to 1536 MB.
AirPort Card connector
Connects an AirPort Card, which allows your computer to communicate with a wireless
network.
PCI expansion slots
You can install PCI cards in these slots to expand your computer’s capabilities. For
example, you can install a SCSI PCI card and then connect and use SCSI devices such as
scanners, hard disk drives, and Zip drives.
AGP graphics slot
Connects your AGP graphics card, which provides fast graphics processing power to your
monitor. You can connect a monitor that has an Apple Display Connector or a standard
VGA connector. To connect two monitors to your computer, you need to install an
additional PCI graphics card to support the additional monitor.
Battery
Your computer uses a battery that you rarely replace. If you find that your computer is
having trouble starting up, or that the system date and time are frequently incorrect, you
may need to replace the battery. For more information, see “Replacing the Battery” on
page 71.
Hard disk drive carriers
You can install additional hard disk drives in these carriers inside your computer. If you
have ATA hard disk drives, you can install up to two drives in a single U-shaped carrier. If
your computer came with one or more SCSI hard disk drives, you can install up to three
SCSI drives in the drive carriers.
Zip drive expansion bay
You can install a Zip drive in this drive bay. You can purchase one from an Apple-authorized
dealer.