Dell OptiPlex 5270 All-in-One Service Manual page 16

1. PSU power connector
2. Processor
3. Memory slots
4. Webcam connector
5. Touch screen cable connector
6. M.2 PCIe/SATA slot
7. System fan connector
8. LPC_Debug
9. Service mode jumper/Password clear jumper/CMOS clear jumper
10. SATA HDD slot
11. SPI header
12. DMIC connector
13. SIO signal connector
14. SIO power connector
15. UAJ connector
16. INT_SPK connector
17. Coin cell battery
18. LVDS connector
19. M.2 WLAN slot
20. Power board button connector
21. PSU fan connector
16 Removing and Installing components