- Notes, cautions, and warnings
- Working inside your computer
- Major components of your system
- Removing and installing components
- Recommended tools
- Screw list
- Major components of OptiPlex 3090 Small Form Factor
- Side cover
- Front bezel
- 2.5-inch hard drive
- 3.5-inch hard drive
- M.2 solid state drive
- Hard-drive and optical-drive bracket
- Optical drive
- WLAN card
- Fan assembly
- Coin-cell battery
- Expansion card
- Memory module
- Processor
- Power-supply unit
- Intrusion switch
- Power button
- Optional I/O modules (HDMI/VGA/DP/Serial)
- System board
- Drivers and downloads
- BIOS Setup
- Troubleshooting
- Getting help and contacting Dell Technologies
OptiPlex 3090 Small Form Factor Service Manual
Major components of OptiPlex 3090 Small Form Factor
The following image shows the major components of OptiPlex 3090 Small Form Factor .
- Video connector
- Intrusion switch connector
- CPU power connector (ATX_CPU)
- CPU fan connector
- Memory slots (DIMM1, DIMM2)
- M.2 solid state drive connector
- Power switch connector (PWR_SW)
- PSU connector
- M.2 WLAN connector
- SATA 0 connector
- SATA 2 connector
- KB/MS serial header
- Internal speaker connector
- PCIe connector
- Coin-cell battery
- Serial port connector
- Processor socket (CPU)
NOTE:Dell provides a list of components and their part numbers for the original system configuration purchased. These parts are available according to warranty coverage purchased by the customer. Contact your Dell sales representative for purchase options.
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