NEC MT2200, User Manual

Page: 101 / 192

5-11
Upgrades and Options
1. Power off the system and remove the side panel as
described earlier in this chapter.
2. Using a IC removal tool or a small pointed tool,
gently pry up each end of the non-volatile memory
and pull it straight up out of its socket (Figure 5-4).
3. Orient the new chip over its socket so the dot is
properly oriented. Carefully insert the chip into its
socket connectors.
4. Press down on the chip until it is firmly seated in its
socket.
5. Replace the side panel and turn on the system.
6. Run the BIOS SETUP and RCU to restore proper
configuration settings.
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
#CR2450) is a commodity part available through many
vendors. Its located on your system board as shown in
Figure 5-5. 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 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
Notice: Observe static precautions. Use an antistatic
wrist strap.