Documentation, Support, and Training
Evaluating Product Compatibility
Preparing to Install the Blade Server
Installing Components and Blade Server
Installing Optional Components
Software and Firmware Upgrades
Software and Firmware Upgrades
Administering Parameters and Configurations
Administering User Accounts and Security
The blade server ships with a battery installed. The battery preserves CMOS settings in the event of power loss.
The battery must be type CR1632, with a minimum of 4ma abnormal charging current rating. The following lithium disk batteries (3V, 125MA) are approved for blade servers:
Ray-O-Vac CR1632
Renata CR1632
Panasonic CR1632
|  | Caution - Risk of explosion if the battery is replaced by an incorrect type. Dispose of used batteries properly in accordance with manufacturer’s instructions and local regulations. | 
Remove the blade server.
Locate and remove the battery from the blade server.

Slide the new battery into the holder with the side labeled “+” facing up.
Move the RTC jumpers to reset the RTC registers used for manageability engine.

Figure Legend
1 Default jumper settings
2 Clear CMOS settings
3 Clear RTC settings
Wait at least one second for the RTC settings to reset, then move the jumper housing back to the default position.
Install the blade server.