Preparing to upgrade
7-7
Looking inside the system unit
After you remove the system unit top, the system unit looks like the following figure.
Note: See the next page for a description of the hardware components inside the
system unit.
Your computer has four bays that can hold up to two 5.25-inch drives and two 3.5-
inch drives.
Diskette drives use the standard diskette Advanced Technology (AT) interface. Hard
disks use an Integrated Drive Electronics (IDE) AT interface. Your computer
supports the American National Standards Institute (ANSI) standard for AT
attachment disk drives.
Your computer has adapter card slots for installation of additional expansion cards.
You can install Peripheral Component Interconnect (PCI) adapter cards into the
system.
The components inside your system unit are depicted in a graphic in the previous
figure. The following list describes each hardware component:
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