Lenovo 10B0 Maintenance Manual page 94

Figure 14 "System board part locations" on page 88 shows the locations of the parts on the system board.
Figure 14. System board part locations
1
Serial (COM1) connector
2
System fan connector
3
Microprocessor
4
Cover presence switch connector (intrusion
switch connector)
5
Clear CMOS (Complementary Metal Oxide
Semiconductor) /Recovery jumper
6
Internal speaker connector
7
Power switch board cable connector
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ThinkCentre M73 Hardware Maintenance Manual
8
Memory slots (2)
9
Battery
10
Mini PCI Express card slot
11
SATA 3.0 connector
12
Hard disk drive power connector
13
Optional USB 2.0 connector