Lenovo IdeaCentre B520 - Manual (Page 29)

Chapter 7. Locations
27
1 3D IR emitter
2 Bluetooth connector
3 Camera connector
4 Converter connector
5 Touch module connector
6 LVDS connector
7 Fan connector-2
8 Mini PCI connector
9 Mini PCI connector
10 Front touch sensor board connector
11 Hard and optical disk drive power connectors
12 3D module connector
13 SATA connectors
14 Mini PCI connector
15 Power supply connector
16 BIOS battery
17 Rear I/O connector
18 5.0 speaker connector
19 LED connector
20 2.0 speaker connector
21 LED and CIR connector
22 Power connector
23 USB connectors
24 Audio connectors
25 6-in-1 card reader connector
26 Memory connectors
27 CPU and socket
28 Power supply connector
29 Fan connector-1
30 Smart card connector