NEC LC1400 manual Modifying the System Board, Replacing the Real-time Clock Battery

Modifying the System Board

The following sections provide procedures for upgrading and configuring the system board in your system. Topics covered include:

nReplacing the real-time clock battery

nReplacing the Pentium II processor

nInstalling or removing DIMMs.

CAUTION

Electrostatic discharge (ESD) can damage add-in boards and other components; place them on an antistatic surface. Modify the system board only at an ESD workstation. Otherwise, wear an antistatic wrist strap attached to chassis ground.

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 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

CAUTION

Observe static precautions. Use an antistatic wrist strap.

4-6 Upgrading Your System