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34 Hardware Maintenance Manual: xSeries 250
Attention: Do not press Enter to reboot the system at this time.
10. Power-off the server.
11. Move jumper J56 back to pins 2 and 3 to return to normal startup mode.
12. Restart the server. The system should start up normally.
Replacing the battery
IBM has designed this product with your safety in mind. The lithium battery must be
handled correctly to avoid possible danger. If you replace the battery, you must
adhere to the following instructions.
CAUTION:
When replacing the battery, use only IBM Part Number 33F8354 or an equivalent
type battery recommended by the manufacturer. If your system has a module
containing a lithium battery, replace it only with the same module type made by
the same manufacturer. The battery contains lithium and can explode if not
properly used, handled, or disposed of.
Do not:
• Throw or immerse into water
• Heat to more than 100°C (212° F)
• Repair or disassemble
Dispose of the battery as required by local ordinances or regulations.
Note: In the U.S., call 1-800-IBM-4333 for information about battery disposal.
If you replace the original lithium battery with a heavy-metal battery or a battery with
heavy-metal components, be aware of the following environmental consideration.
Batteries and accumulators that contain heavy metals must not be disposed of with
normal domestic waste. They will be taken back free of charge by the manufacturer,
distributor, or representative, to be recycled or disposed of in a proper manner.
Note: After you replace the battery, you must reconfigure your server and reset the
system date and time.
To replace the battery:
1. Read the information in “Before you begin” on page 58.
2. Follow any special handling and installation instructions supplied with the
battery.
3. Turn off the server and all attached devices and disconnect all external cables and
power cords (see “Safety information” on page 180); then remove the top cover.
4. Locate the battery on the processor board (see “Processor board component
locations” on page 55).
5. Remove adapters as necessary so you can access the battery. (See “Working with
adapters” on page 61.)
6. Lift and remove the plastic dividers by pressing the latches on the top ends of the
dividers toward the dividers and lifting the dividers from the server.
7. Remove the battery:
a. Use one finger to lift the battery clip over the battery.
b. Use one finger to slightly slide the battery toward the rear of the server. The
spring mechanism behind the battery will push it out toward you as you slide
it forward.