Lenovo PC 300PL Installing Options in your PC300PL - 6592 - Page 29

Accessing the System Board, Identifying Parts on the System Board - ibm motherboard

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Accessing the System Board Note: For information on removing the computer cover, see "Disconnecting Cables and Removing the Side Cover" on page 7. To access the system board, it helps to place the computer on its side on a table. You might need to remove adapters, or drives in bays 5 and 6. Also, you might need to remove cables that are attached to the system board. When disconnecting cables, it is important to note where they attach, so you can 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. If you plan to install, remove, or replace hardware in your computer, you will need to know the layout of the system board. The following illustration shows the layout of the system board in your computer. The numbered pointers show the components that are discussed in this book. 1 Battery 2 Configuration switches 3 Microprocessor connector 4 CMOS clear (password) jumper 5 Memory Module Connector 0 6 Memory Module Connector 1 7 Memory Module Connector 2 8 System board latch 9 Video memory or Rainbow Runner Studio upgrade connector 1 Video memory or Rainbow Runner Studio upgrade connector 11 Rainbow Runner Studio upgrade connector 12 VESA feature connector 13 115 Kbps infrared connector Note: An illustration of the system board and additional information are provided on a label found on the underside of the computer cover. Chapter 3. Working with Options on the System Board 15

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Accessing the System Board
Note:
For information on removing the computer cover, see “Disconnecting Cables
and Removing the Side Cover” on page
7.
To access the system board, it helps to place the computer on its side on a table.
You might need to remove adapters, or drives in bays 5 and 6.
Also, you might
need to remove cables that are attached to the system board.
When disconnecting
cables, it is important to note where they attach, so you can 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.
If you plan to install, remove, or replace hardware in your computer, you will need
to know the layout of the system board.
The following illustration shows the layout
of the system board in your computer.
The numbered pointers show the
components that are discussed in this book.
±1²
Battery
±2²
Configuration switches
±3²
Microprocessor connector
±4²
CMOS clear (password) jumper
±5²
Memory Module Connector 0
±6²
Memory Module Connector 1
±7²
Memory Module Connector 2
±8²
System board latch
±9²
Video memory or Rainbow
Runner Studio upgrade connector
±1³²
Video memory or Rainbow
Runner Studio upgrade connector
±11²
Rainbow Runner Studio upgrade connector
±12²
VESA feature connector
±13²
115 Kbps infrared connector
Note:
An illustration of the system board and additional information are provided
on a label found on the underside of the computer cover.
Chapter
3.
Working with Options on the System Board
15