- Notes, cautions, and warnings
- Working on your computer
- Removing and installing components
- Recommended tools
- Removing the cover
- Installing the cover
- Removing the bezel
- Installing the bezel
- Opening the front bezel door
- Removing the hard drive assembly
- Removing the hard drive from the hard drive bracket
- Installing the hard drive into the hard drive bracket
- Installing the hard drive assembly
- Removing the slim optical drive
- Installing the slim optical drive
- Removing the optical drive (3.5-inch)
- Installing the optical drive (3.5-inch)
- Removing the SD card reader
- Installing the SD card reader
- Removing the memory module
- Installing the memory module
- Removing the PCIe expansion card
- Installing the PCIe expansion card
- Removing the optional Ethernet port card
- Installing the optional Ethernet port card
- Removing the power supply unit (PSU)
- Installing the power supply unit (PSU)
- Removing the VGA daughter board
- Installing the VGA daughter board
- Removing the intrusion switch
- Installing the intrusion switch
- Removing the power switch
- Installing the power switch
- Removing the speaker
- Installing the speaker
- Removing the coin cell battery
- Installing the coin cell battery
- Removing the heat sink assembly
- Installing the heat sink assembly
- Removing the processor
- Installing the processor
- Removing the system fan
- Installing the system fan
- Removing the system board
- Installing the system board
- System board layout
- Troubleshooting your computer
- System Setup
- Specifications
- Contacting Dell
OptiPlex 3040 - Mini Tower Owner's Manual
System board layout
- PCIe x1 connector
- PCIe x1 connector
- PCIe x16 connector
- PCIe x1 connector
- RJ-45 connector
- VGA daughter board connector
- USB 3.0 connector
- PS2/COM daughter board connector
- DisplayPort connector
- HDMI connector
- Line out connector
- Intrusion switch connector
- System fan connector
- Processor
- CPU power connector
- CPU fan connector
- Memory module connectors
- SD Card Reader daughter board connector (optional)
- Power switch connector
- Universal Audio jack
- USB 2.0 connector
- USB 3.0 connector
- SATA1 connector
- SATA3 connector
- Internal speaker connector
- ATX power connector
- Hard drive and optical drive power cable connector
- SATA0 connector
- Internal USB connector
- Coin cell battery
- RTCRST/Password clear/MFG Jumper
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