Table 1. Screw list (continued)
Component Screw type Quantity Screw image
Power supply unit 6-32 6
System board 6-32
M2x4
8
1
Major components of OptiPlex 3090 Small Form
Factor
The following image shows the major components of OptiPlex 3090 Small Form Factor .
1. Video connector 2. Intrusion switch connector
3. CPU power connector (ATX_CPU) 4. CPU fan connector
5. Memory slots (DIMM1,DIMM2) 6. M.2 solid-state drive connector
7. Power switch connector (PWR_SW) 8. PSU connector
9. M.2 WLAN connector 10. SATA 0 connector
11. SATA 2 connector 12. Internal speaker connector
13. PCIe connector 14. Coin-cell battery
15. KB/MS serial header 16. Processor socket (CPU)
Removing and installing components 11