Owners Manual
Table Of Contents
- Dell EMC PowerEdge R940xa Installation and Service Manual
- Contents
- About this document
- PowerEdge R940xa system overview
- Initial system setup and configuration
- Installing and removing system components
- Safety instructions
- Before working inside your system
- After working inside your system
- Recommended tools
- Front bezel
- Drives
- System cover
- Support bar
- Cooling fans
- Cooling fan assembly
- Optional USB 3.0 module
- Optional optical drive
- Control panel
- Air shroud
- NVDIMM-N battery
- Drive backplane
- System memory
- Processors and heat sinks
- Expansion cards and expansion card risers
- Expansion card installation guidelines
- Removing the expansion card riser
- Installing the expansion card riser
- Removing the expansion card from the riser
- Installing the expansion card in the riser
- Removing the expansion card from the system board
- Installing the expansion card on the system board
- GPU card installation guidelines
- Removing the GPU
- Installing the GPU
- M.2 SSD module
- Optional IDSDM or vFlash module
- Network daughter card
- System battery
- Optional internal USB memory key
- Power supply units
- Power interposer board
- Trusted Platform Module
- System board
- Jumpers and connectors
- System diagnostics and indicator codes
- Getting help
- Documentation resources
telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by
your warranty. Read and follow the safety instructions that are shipped with your product.
Steps
1. Turn off the system, including any attached peripherals, and disconnect the system from the electrical outlet.
2. Remove the system cover.
3. Move the jumper on the system board jumper from pins 4 and 6 to pins 2 and 4.
4. Install the system cover.
The existing passwords are not disabled (erased) until the system boots with the jumper on pins 2 and 4. However, before
you assign a new system and/or setup password, you must move the jumper back to pins 4 and 6.
NOTE: If you assign a new system and/or setup password with the jumper on pins 2 and 4, the system disables the new
password(s) the next time it boots.
5. Reconnect the system to its electrical outlet and turn the system on, including any attached peripherals.
6. Turn off the system, including any attached peripherals, and disconnect the system from the electrical outlet.
7. Remove the system cover.
8. Move the jumper on the system board jumper from pins 2 and 4 to pins 4 and 6.
9. Install the system cover.
10. Reconnect the system to its electrical outlet and turn the system on, including any attached peripherals.
11. Assign a new system and/or setup password.
Jumpers and connectors
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