Dell OptiPlex 5090 Tower Service Manual - Page 63

Installing the system board, M.2 WLAN connector

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4. Remove the eight (#6-32) screws that secure the system board to the chassis. 5. Remove the (#6-32) screw that secures the system board to the chassis. 6. Lift the system board at an angle and remove the system board off the chassis. Installing the system board Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following image indicates the connectors on your system board. 1. Intrusion switch connector 2. Video connector 3. ATX CPU power connector 4. Memory module slot 5. Memory module slot 6. Power button connector 7. SD card reader connector 8. ATX system power connector 9. M.2 PCIe SSD connector 10. Coin-cell battery 11. SATA3 connector (white) 12. SATA0 connector (blue) 13. M.2 WLAN connector 14. M.2 PCIe SSD connector 15. PCIe x4 (Slot4) 16. PCIe x16 (Slot3) 17. PCIe x1 (Slot2) Removing and installing components 63

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4.
Remove the eight (#6-32) screws that secure the system board to the chassis.
5.
Remove the (#6-32) screw that secures the system board to the chassis.
6.
Lift the system board at an angle and remove the system board off the chassis.
Installing the system board
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
The following image indicates the connectors on your system board.
1.
Intrusion switch connector
2.
Video connector
3.
ATX CPU power connector
4.
Memory module slot
5.
Memory module slot
6.
Power button connector
7.
SD card reader connector
8.
ATX system power connector
9.
M.2 PCIe SSD connector
10.
Coin-cell battery
11.
SATA3 connector (white)
12.
SATA0 connector (blue)
13.
M.2 WLAN connector
14.
M.2 PCIe SSD connector
15.
PCIe x4 (Slot4)
16.
PCIe x16 (Slot3)
17.
PCIe x1 (Slot2)
Removing and installing components
63