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Chapter 1 Getting Started 19
Optical drive
Your computer comes with a DVD-ROM/CD-RW Combo drive or a DVD+R DL/DVD±RW/CD-RW
SuperDrive. For information about the optical drive, see “Using Your Optical Drive” on page 31.
Battery
Your computer uses a battery that you rarely need to replace. If your computer has trouble starting
up, or the system date and time are frequently incorrect, you may need to replace the battery. For
more information, see “Replacing the Battery” on page 69.
AirPort Extreme Card connector
Connect an AirPort Extreme Card, which allows your computer to communicate with a
network wirelessly. For more information, see “Installing an AirPort Extreme Card” on page 68.
DDR SDRAM slots
Depending upon the model, your computer has 4 or 8 DDR SDRAM slots. You can add additional
memory by inserting DDR SDRAM DIMMs in pairs in the memory slots. For more information, see
“Installing Memory” on page 49.
Hard disk drive bays
Your computer comes with a hard disk drive installed in the top hard disk drive bay. You can install an
additional hard disk drive in the bottom hard disk drive bay. You can have up to two Serial ATA drives
in the computer. For more information, see “Installing Internal Storage Devices” on page 56.
PCI or PCI-X slots
Depending upon the model, your computer has PCI or PCI-X expansion slots, for a total of three slots.
You can install PCI cards in slots 2 through 4 to expand your computer’s capabilities. For more
information, see “Installing a PCI Expansion Card or Replacing the AGP Card” on page 64.
AGP 8X Pro slot
Connect your display through the card in the advanced graphics port (AGP) 8X Pro slot, which
provides accelerated graphics processing power. For more information, see “Connecting Displays,
Televisions, and Video Devices” on page 23 or “Installing a PCI Expansion Card or Replacing
the AGP Card” on page 64.
LL3218Q87.book Page 19 Wednesday, March 16, 2005 6:28 PM