Lenovo ThinkCentre M82 Hardware Maintenance Manual (HMM) (May 2012) - ThinkCen - Page 82
System board part locations on shows the locations of the parts on one type of system, board.
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Figure 4 "System board part locations" on page 76 shows the locations of the parts on one type of system board. Figure 4. System board part locations 1 4-pin microprocessor power connector 16 Front panel connector (for connecting LED indicators and power switch) 2 Microprocessor 17 Clear CMOS (Complementary Metal Oxide Semiconductor) /Recovery jumper 3 Microprocessor fan connector 18 Front USB connector 1 (for connecting USB ports 1 and 2 on the front bezel) 4 Memory slot 1 (DIMM 1) 19 Battery 5 Memory slot 2 (DIMM 2) 20 Front USB connector 2 (for connecting additional USB devices) 6 Memory slot 3 (DIMM 3) 21 Serial (COM2) connector 7 Memory slot 4 (DIMM 4) 22 Internal speaker connector 8 Thermal sensor connector 23 Front audio connector 9 4-pin SATA power connectors (2) 24 PCI card slots (2) 10 14-pin power connector 25 DisplayPort connector 11 SATA connectors 1 and 2 (SATA 3.0 connectors) 26 PCI Express x1 card slot 12 Parallel connector 27 PCI Express x16 graphics card slot 13 eSATA connector 28 System fan connector 14 SATA connector 3 (SATA 2.0 connector) 29 Cover presence switch connector (Intrusion switch connector) 15 Power fan connector 30 PS/2 keyboard and mouse connector 76 ThinkCentre Hardware Maintenance Manual