System board layout
1. CPU socket connector
2. CPU fan connector
3. Internal speaker connector
4. Memory module connectors
5. M.2 WLAN connector
6. Power switch connector
7. Hard drive connector
8. M.2 SSD connector
9. Coin cell battery
10. Service Mode Jumper
11. Clear password jumper
12. Clear CMOS jumper
13. DP/VGA connector (optional)
14. PS/2 serial connector (optional)
Disassembly and reassembly
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