IBM 72335LU - System x3850 M2 Installation Manual page 10

Statement 2:
CAUTION:
When replacing the lithium battery, use only IBM Part Number 15F8409 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:
v Throw or immerse into water
v Heat to more than 100°C (212°F)
v Repair or disassemble
Dispose of the battery as required by local ordinances or regulations.
Statement 3:
CAUTION:
When laser products (such as CD-ROMs, DVD drives, fiber optic devices, or
transmitters) are installed, note the following:
v Do not remove the covers. Removing the covers of the laser product could
v Use of controls or adjustments or performance of procedures other than
DANGER
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IBM System x3850 M2 and System x3950 M2 Type 7141: Installation Guide
result in exposure to hazardous laser radiation. There are no serviceable
parts inside the device.
those specified herein might result in hazardous radiation exposure.
Some laser products contain an embedded Class 3A or Class 3B laser
diode. Note the following.
Laser radiation when open. Do not stare into the beam, do not view directly
with optical instruments, and avoid direct exposure to the beam.