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