Installing options on the system board and riser card (some
models)
This section provides instructions for installing options, such as system
memory and adapters, on the system board and the riser card (some models).
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 45. You might need to remove adapters in order to access some
components of the system board. For information about expansion adapters,
see “Installing adapters” on page 53. When disconnecting cables, be sure to
note where they attach, so you can correctly reattach them later.
Identifying parts on the system board
The system board, also called the planar or motherboard, 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.
Depending on the model, your computer comes with one of the following two
system boards.
48 User Guide
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