Removing An Rtc Battery; Installing An Rtc Battery; Reinstalling The Motherboard Tray And Booting The System - IBM N7800 Hardware And Service Manual

a. Press the locking tabs on the sides of the motherboard tray, and then gently
pull it out about an inch.
b. Grasp the handles on the sides of the motherboard tray, slide it out of the
chassis, and set it on a stable, antistatic surface.

Removing an RTC battery

You must use this procedure to remove the RTC battery from the motherboard.
Procedure
1. Locate the RTC battery on the right, rear of the motherboard tray (closest to
you, when the tray is open).
Figure 20. Removing the RTC battery
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2. Push the retaining clip latch holding the battery in place, and lift the battery
out of the socket.

Installing an RTC battery

You must use this procedure to install a Real-Time Clock (RTC) battery.
Procedure
1. If you are not already grounded, properly ground yourself.
2. Remove the replacement battery from the antistatic shipping bag.
3. Align the poles of the battery with the posts inside the battery housing. The
Positive pole is on the right of the battery socket.
Note: The battery does not fit in the battery socket if the battery is facing the
wrong direction.
4. Gently push the battery into the socket, until the retaining clip engages the
battery.

Reinstalling the motherboard tray and booting the system

After you replace a component within the motherboard tray, you must reinstall the
motherboard tray in the system chassis.
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Retaining clip latch
Chapter 5. Replacing N7000 series system devices
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