Locating Connectors On System Board - Lenovo ThinkCentre M90a User Manual

Locating connectors on system board

Figure 1. M70a system board
1
LCD LVDS connector
3
Microprocessor socket
5
Touch board connector
7
M.2 solid-state drive slot
9
Optical drive connector
11
ME disable header
13
Internal speaker connector
15
Card reader connector
17
Coin-cell battery
4
M70a and M90a User Guide
2
Integrated camera and microphone module connector
4
Serial (COM1) connector
6
Memory slots
8
M.2 Wi-Fi card slot
10
Clear CMOS (Complementary Metal Oxide
Semiconductor) / Recovery jumper
12
Cover presence switch connector (intrusion switch
connector)
14
Storage drive connector
16
LCD backlight connector
18
System fan connector