replace it only with the same module type made by the same manufacturer. The battery contains 
lithium and can explode if not properly used, handled, or disposed of.
Do not: 
•  Throw or immerse into water
•  Heat to more than 100°C (212°F)
•  Repair or disassemble
Dispose of the battery as required by local ordinances or regulations.
S002 
CAUTION: 
The power-control button on the device and the power switch on the power supply do not turn off the 
electrical current supplied to the device. The device also might have more than one power cord. To 
remove all electrical current from the device, ensure that all power cords are disconnected from the 
power source.
Attention: 
•  Read 
“Installation Guidelines” on page 35 and “Safety inspection checklist” on page 36 to ensure that you 
work safely.
•  Power off the server and peripheral devices and disconnect the power cords and all external cables. See 
“Power off the server” on page 42.
Watch the procedure 
A video of this procedure is available at YouTube: 
https://www.youtube.com/playlist?list=PLYV5R7hVcs- 
BashWCNZQEDP7o3EohXPEV
. 
Procedure
Step 1.  Touch the static-protective package that contains the new part to any unpainted surface on the 
outside of the server. Then, take the new part out of the package and place it on a static-protective 
surface.
Step 2.  Install the CMOS battery. 
Note: Before you install the battery into the socket, make sure that the positive side faces upward.
58
ThinkSystem SR655 V3 User Guide