Working With Options On The System Board - IBM PC 300 2169 User Manual

Working with options on the system board

This section provides instructions for installing options and setting the diskette
write protect switch on the system board.
Accessing the system board
To access the system board, you must remove the computer cover. For
information on removing the computer cover, see "Removing the cover" on
page 41.You might need to remove adapters in order to access some
components of the system board. For information about expansion adapters,
see "Working with adapters" on page 49. When disconnecting cables, be sure
to note where they attach, so you can correctly reattach them later.
Note: For easier access to the system board in a tower model, it helps to
place the computer on its side.
Identifying parts on the system board
The system board, also called the planar or mainboard, is the main circuit
board in your computer. It provides basic computer functions and supports a
variety of devices that are IBM-installed or that you can install later.
Refer to the following illustration for the location of parts on the system board.
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