W-NXS AND CP-NXS
21
74-4059—01
Replacing the backup battery
The NXS is equipped with a 3.0Vdc Lithium backup battery. The battery provides back-up power to buffered SRAM,
the real-time clock, and the CMOS data area that stores BIOS setup.
Notes
•
The life span of the backup battery is approximately 3–5 years, depending on the operating conditions.
After physically replacing the backup battery, you must re-enter certain
information. A
minimum, a USB keyboard and DVI-capable display) must be connected to the NXS in order to do this. For more details,
see
Caution
•
Risk of damage!
The lithium battery may only be replaced with an identical battery or with a type
recommended by the manufacturer.
•
Depleted batteries must be disposed of in accordance to local regulations.
Procedure 5
To replace the backup battery
Step 1
Run BIOS setup on the NXS, recording the current settings. Power the unit off when done.
Step 2
.
Step 3
Pull out the battery plug (see below).
Step 4
Carefully bend up the battery strap, and remove the battery.
Step 5
Insert the new battery in the same location, and secure it by bending down the battery strap.
Step 6
Insert the new battery plug into the battery socket—note that the connector is keyed to prevent incorrect
polarity.
Step 7
Close and refasten the front panel.
Step 8
Attach a local console to the NXS (USB keyboard, DVI-capable display).
Step 9
Restore power, and allow to boot into BIOS setup. Re-enter BIOS settings to those recorded earlier, or refer
to the standard BIOS settings in the appendix of this document.
Battery Plug
Battery Strap
Battery