Servicing The System Battery (Cru); Removing And Replacing The Rtc Battery - Oracle Sun Blade X6275 Service Manual

3.6

Servicing the System Battery (CRU)

Two Real-Time-Clock (RTC) system CR2032 batteries, one per compute node, are
located on the motherboard.
Note – CRU: This customer replaceable unit can be replaced by anyone.
3.6.1

Removing and Replacing the RTC Battery

1. Prepare the server module for service.
a. Power off both server module compute nodes.
b. Remove the server module from the Sun Blade chassis. Place it on a flat
c. Attach an antistatic wrist strap.
d. Remove the server module top cover.
2. Remove the battery by gently pulling the clip away from the edge of the battery
and lifting the battery straight up. See
3. Insert the battery by pressing the battery straight down and gently pushing the
clip towards the edge of the battery. See
Install the new battery in the holder with the same orientation (polarity) as the
battery that you removed.
The positive polarity, marked with a "+" symbol, faces outward.
4. Clear the CMOS NVRAM.
The BIOS settings revert to the default settings.
See
5. Return the server module to operation.
3-30 Sun Blade X6275 Server Module Service Manual • September 2013
See Section 2.4, "Powering Off the Server Module" on page
surface.
See Section 2.5, "Removing the Server Module From the Sun Blade Chassis" on
page 2-7.
See Section 2.6, "Performing Electrostatic Discharge and Antistatic Prevention
Measures" on page 2-9.
See Section 2.7, "Removing the Server Module Top Cover" on page
Section 3.7, "Resetting Passwords and Clearing CMOS NVRAM" on page
[1], [2].
FIGURE 3-14
[3], [4].
FIGURE 3-14
2-4.
2-11.
3-33.