Owners Manual

Table Of Contents
3. expander-card cable 4. standoff (3)
5. expander cardNext
Next steps
1. Install the following:
a. hard drives or SSDs
b. hard-drive backplane or SSD backplane
c. hard-drive cage or SSD cage
2. Follow the procedure listed in the After working inside your system section.
Related references
Safety instructions on page 48
Related tasks
Before working inside your system on page 48
Removing an expander card on page 125
Installing the hard-drive or SSD cage on page 107
Installing a 2.5-inch (x8) SATA hard-drive or SSD backplane on page 111
Installing a 2.5-inch (x8) SAS hard-drive or SSD backplane on page 113
Installing a 2.5-inch (x6) SATA hard drive or SSD and 2.5-inch (x2) PCIe SSD backplane on page 117
Installing a 1.8-inch (x16) SAS SSD backplane on page 120
After working inside your system on page 49
System battery
The NVRAM backup battery installed in your system helps to retain the BIOS settings and configurations even if the power is
switched off.
Replacing the NVRAM backup battery
Prerequisites
NOTE:
There is a danger of a new battery exploding if it is incorrectly installed. Replace the battery only with the same
or equivalent type recommended by the manufacturer. Discard used batteries according to the manufacturer's instructions.
See the safety instructions that came with your system for additional information.
CAUTION: Many repairs may only be done by a certified service technician. You should only perform
troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or
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.
1. Follow the safety guidelines listed in the Safety instructions section.
2. Follow the procedure listed in the Before working inside your system section.
3. Remove the following:
a. system cover
b. hard drives or SSDs
c. hard-drive backplane or SSD backplane
d. hard-drive cage or SSD cage
4. If installed, remove the memory module.
128
Installing and removing sled components