Lenovo ThinkCentre M725s, User Manual And Hardware Maintenance Manual

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14 PCI-Express card area
To improve the operating performance of the computer, you can connect PCI-Express cards into this area.
Depending on the computer model, the connectors in this area vary.
15 Smart cable clip slots
Used to secure a smart cable clip.
16 Power cord connector
Used to connect the power cord to your computer for power supply.
System board
Note: See “Front view” and “Rear view” for additional component descriptions.
Figure 3. System board
1
4-pin power connector
2
Microprocessor fan connector
3
Internal speaker connector
4
Storage drive activity indicator
5
Power button board connector
6
SATA power connectors (2)
7
10-pin power connector
8
Clear CMOS /Recovery jumper
9
SATA 3.0 connectors (3)
10
Auxiliary fan connector 1
11
Illuminated red dot connector
12
Thermal sensor connector
13
M.2 solid-state drive slot
14
Front USB 2.0 connector (card reader connector)
15
Front USB 2.0 connector
16
Parallel connector
Chapter 1
.
Overview
5