NEC HV8600 User Manual page 85

Figure 4-6. Location of the Real-Time Clock Battery
Danger of explosion if the battery is incorrectly replaced.
Replace only with same or equivalent type recommended by
manufacturer. Dispose of lithium batteries as required by
local ordinance or as normal waste if no local ordinance
exists. Do not expose the component to excessive heat or
fire. Keep all batteries away from children.
Replace the battery as follows.
Note:
Observe static precautions. Use an antistatic
wrist strap.
1. Power off the system and remove the left side panel as described earlier.
2. If the battery has a protective plastic cover, remove the cover by lifting it
away from the battery. Use your fingernail or a small pointed tool to gently
push up the bottom edge of the battery. See Figure 4-6 for socket location.
3. Position the new battery over its socket with the plus (+) sign on the battery
facing up.
4. Carefully insert the top of the battery into the socket connectors and gently
push the battery into the socket until it is firmly seated in the socket.
5. Replace the top cover and turn on the system.
6. Run the BIOS Setup to restore configuration settings to the real-time-clock.
! CAUTION
Upgrading Your System 4-13