Lenovo 5023 - Manual (Page 19)

Locating parts on the system board
Figure 4 shows the locations of the parts on the system board.
1 Microprocessor 9 USB connector
2 Microprocessor fan connector 10 Battery
3 Memory slots (2) 11 Front audio connector
4 24-pin power connector 12 PCI card slot
5 Front panel connector 13 PCI Express x1 card slots (2)
6 SATA connectors (3) 14 PCI Express x16 graphics card slot
7 Clear CMOS (Complementary Metal
Oxide Semiconductor) /Recovery jumper
15 System fan connector
8 USB connector 16 4-pin power connector
Figure 4. System board part locations
Chapter 1. Product overview 11