Lenovo ThinkCentre M77 Hardware Maintenance Manual (HMM) - ThinkCentre M77 - Page 81
Locating parts on the system board
View all Lenovo ThinkCentre M77 manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 81 highlights
Locating parts on the system board Figure 4 "System board part locations" on page 77 shows the locations of the parts on the system board. Figure 4. System board part locations 1 Microprocessor 2 Microprocessor fan connector 3 Memory slot 1 (DIMM1) 4 Memory slot 2 (DIMM3) 5 Memory slot 3 (DIMM2) 6 Memory slot 4 (DIMM4) 7 Thermal sensor connector 8 24-pin power connector 9 Clear CMOS (Complementary Metal Oxide Semiconductor) /Recovery jumper 10 Battery 11 Power fan connector 12 Parallel connector 13 SATA 3.0 connectors (4) 14 Front panel connector (for connecting LED indicators and power switch) 15 Front USB connector 1 (for connecting USB ports 1 and 2 on the front bezel) 16 Front USB connectors 2 and 3 (for connecting additional USB devices) 17 Cover presence switch connector (Intrusion switch connector) 18 Serial (COM2) connector 19 Internal speaker connector 20 Front audio connector 21 PCI card slot 22 PCI Express x1 card slots (2) 23 PCI Express x16 graphics card slot 24 System fan connector 25 PS/2 keyboard and mouse connector 26 4-pin power connector Chapter 8. Replacing FRUs (Machine Types: 1982, 1983, 1985, 1986, 1987, 1990, 1992, 1993, 1994, and 1995.) 77