IBM 8317 - Manual (Page 29)

Identifying parts on the system board
The system board (sometimes called the planar or motherboard) is the main circuit
board in the computer. It provides basic computer functions and supports a variety
of devices that are IBM-installed or that can be installed later.
The following illustration shows the locations of parts on the system board.
1 Microprocessor 8 Battery
2 DIMM connectors 9 Diskette drive connector
3 Front panel connector 10 Clear CMOS/BIOS recovery jumper
4 CD audio connector 11 System fan connector
5 PCI riser connector 12 Microprocessor fan connector
6 Secondary IDE connector 13 Main power
7 Primary IDE connector 14 Microprocessor power connector
Chapter 5. Installing Options 23