Lenovo ThinkCentre M920x User Manual And Hardware Maintenance Manual page 9

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