
Road Map
of
Internal Components
With the system unit open, this
is
a good time to get a
general overview of the internal parts of the system unit:
Notice the following areas of the system unit:
• System Board
• Expansion Slots
• Hard Disk Controller
• Multiple Input-Output (I-O) Card
•
EGA
card
• Floppy Drives
"A"
and 5
1/4",
360K
• Floppy Drive "B" 3 1/2",
nOK
• Socket for an 8087 Math Co-Processor
•
Hard
disk "c"
• Power Supply
• Sockets for Memory Expansion to
640K.
• Ribbon Cables
• 4 Empty Rows for Installing Expanded Memory
• 2
DIP Switches
45
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