Locating Parts On The System Board - Lenovo IdeaCentre H520g Hardware Maintenance Manual

Locating parts on the system board

Figure 4 "System board part locations" on page 68 shows the locations of the parts on the system board.
Figure 4. System board part locations
1
4-pin power connector
2
Microprocessor
3
Microprocessor fan connector
4
Memory slot 1 (DIMM1)
5
Memory slot 2 (DIMM2)
6
Thermal sensor connector
7
24-pin power connector
8
Power fan connector
9
SATA connectors (3)
10
Front panel connector (for connecting LED
indicators and power switch)
11
Front USB connector 1 (for connecting USB
ports 1 and 2 on the front bezel)
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Lenovo H520gHardware Maintenance Manual
12
Clear CMOS (Complementary Metal Oxide Semiconductor)
/Recovery jumper
13
Front USB connector 2 (for connecting additional USB
devices)
14
Front USB connector 3 (for connecting additional USB
devices)
15
Battery
16
Serial (COM2) connector
17
Front audio connector
18
Internal speaker connector
19
PCI Express x1 card slots (2)
20
PCI Express x16 graphics card slot
21
System fan connector