Dell PowerEdge M605 Hardware Owner's Manual page 141

3 If you are replacing the battery in a PowerEdge M905, M805, or M605
system, you must remove the system board to access the battery. See "Blade
System Board (Service Only)" on page 150.
4 Remove the battery by lifting it straight up from its connector. See
Figure 3-23.
See Figure 7-1 (PowerEdge M905), Figure 7-2 (PowerEdge M805),
Figure 7-3 (PowerEdge M600), or Figure 7-4 (PowerEdge M605) to locate
the battery on the blade board.
5 Install the new battery with the side labeled "+" facing up. See
Figure 3-23.
Figure 3-23. Replacing the NVRAM Backup Battery
1
2
1 "+" side of battery
6 If you removed the system board to replace the battery, reinstall the board
now. See "Blade System Board (Service Only)" on page 150.
7 Close the blade. See "Closing the Blade" on page 104.
8 Install the blade. See "Installing a Blade" on page 98.
9 Enter the System Setup program to confirm that the battery is operating
properly. See "Using the System Setup Program" in your User's Guide.
10 Enter the correct time and date in the System Setup program's Time and
Date fields.
11 Exit the System Setup program.
2 battery connector
Installing Blade Components
141