IBM 6341 - Manual (Page 43)

Locating components - desktop model
The following illustration will help you locate the various components in your
computer.
1 CD drive or DVD drive 6 DIMMs
2 USB connector 7 System Board
3 USB connector 8 Microprocessor and heat sink
4 Hard disk drive 9 PCI slots
5 Diskette drive
Identifying parts on the system board - desktop model
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.
Chapter 4. Installing Options 35