Lenovo E50-00 Desktop - Manual (Page 39)

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User Guide
Identifying parts on the system board
The system board (sometimes called the motherboard) is the main circuit board
in your computer. It provides basic computer functions and supports a variety of
devices that are factory-installed or that you can install later.
The following illustrations show the locations of parts on the system board.
Lenovo E50-00
1
5
13
3 2
6
7
8
9
4
11 10 12 15 14
System fan header Microprocessor and heat sink
Microprocessor fan header Memory connector
Hard disk and optical disk drive
power connector SATA connectors (2)
PCI express X 16 adapter slot Battery