Lenovo ThinkCentre M77 Hardware Maintenance Manual (HMM) - ThinkCentre M77 - Page 79

Locating connectors on the rear of your computer Figure 2 "Rear connector locations" on page 75 shows the locations of the connectors on the rear of your computer. Some connectors on the rear of your computer are color-coded to help you determine where to connect the cables on your computer. 56 78 34 Figure 2. Rear connector locations 1 Voltage-selection switch (some models) 2 Power cord connector 3 Serial port (Serial port 1) 4 PS/2 keyboard and mouse connectors (optional) 5 VGA monitor connector 6 DisplayPort connector 7 USB connectors (USB ports 3 to 8) 8 Ethernet connector 9 Microphone connector 10 Audio line-out connector 11 Audio line-in connector 12 PCI Express x16 graphics card slot 13 PCI Express x1 card slots (2) 14 PCI card slot 15 Optional serial port (Serial port 2) 16 Padlock loop 17 Integrated cable lock (Kensington lock) slot Chapter 8. Replacing FRUs (Machine Types: 1982, 1983, 1985, 1986, 1987, 1990, 1992, 1993, 1994, and 1995.) 75