4.1.2 Identifying parts on the system board

The system board (also known as the “mainboard” or “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 the different parts on the system board.

Lenovo K430

 

1

 

2

 

3

 

 

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

6

7

 

17

 

16

 

15

 

14

 

13

 

12

 

11

 

 

10

 

9

 

8

 

12V power connector

 

 

 

 

 

 

 

 

 

Microprocessor and heat sink

 

 

 

 

 

 

 

 

 

Microprocessor fan header

 

 

 

 

 

 

Memory slots (4)

 

 

 

 

 

 

 

 

 

 

Power connector

 

 

 

 

 

 

 

 

 

Front USB header

 

 

PCI express X 16 adapter slots (2)

 

 

 

Power fan header

 

 

34User Guide

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Image 39
Lenovo 3109, 4743 K430, 10086 manual Identifying parts on the system board, PCI express X 16 adapter slots