Lenovo 8254 Computer Hardware User Manual


 
Identifying parts on the system board
The system board (sometimes called the planar or motherboard) is the main circuit
board in your computer. It provides basic computer functions and supports a
variety of devices.
The following illustration shows the locations of parts on the system board for
some models.
1 Microprocessor and heat sink 10SATA connectors (2)
2 Microprocessor fan connector 11Clear CMOS/Recovery jumper
3 Memory connector 1 12Power LED connector
4 Memory connector 2 13Front USB connector
5 Power connector 14Front audio connector
6 Diskette drive connector 15PCI connectors
7 Secondary IDE connector 16AGP connector
8 Primary IDE connector 17System fan connector
9 Battery 1812v power connector
4 Hardware Replacement Guide