Release Notes

Express5800/120Rd-2 System Release Notes 11
Replacing the Real-time Clock Battery
You may need to replace the real-time clock battery because of its life span. The
battery (Vendor Part #CR2032) is a commodity part available through many
vendors. Notice the plus (+) sign on the battery. This sign will assist you in
correctly positioning the battery on the system board.
!
CAUTION
Danger of explosion if battery is incorrectly replaced.
Replace only with same or equivalent type recommended by
the manufacturer. Dispose of used batteries according to the
manufacturer’s instructions.
!
CAUTION
Observe static precautions. Use an antistatic wrist strap.
1. See the section "Preparing for Installation and Removal" described earlier to
prepare for this procedure.
2. Extend the server out from the rack following procedures described earlier
in this chapter.
3. Open the top cover following procedures described earlier in this chapter.
4. If present, remove the protective plastic cover located over the top of the
lithium battery.
5. Insert the tip of a small flat-bladed screwdriver (B), or equivalent, next to
the tab retainer (A).
6. Gently push on the tab to release the battery from its socket.
7. Remove the battery from its socket (C).