Lenovo ThinkCentre M920q - System board

Figure 3. System board
1 Clear CMOS (Complementary Metal Oxide
Semiconductor) / Recovery jumper
2 Thunderbolt connector
3 Board to board connector
4 DC connector
5 Microprocessor
6 Coin-cell battery
7 Internal speaker or advanced speaker connector
8 System fan connector
9 Storage drive slot
10 M.2 Wi-Fi card slot
Chapter 1. Overview 5