TX2550 M4 Upgrade and Maintenance Manual 41
● The battery used in this server may present a fire or chemical burn hazard if
mistreated. Do not disassemble, heat about 100 °C (212F), or incinerate the
battery.
● Replace the lithium battery on the system board in accordance with the
instructions in the corresponding Upgrade and Maintenance Manual,
chapter "System board and components" > "CMOS battery".
● All batteries containing pollutants are marked with a symbol (a crossed-out
garbage can). In addition, the marking is provided with the chemical symbol
of the heavy metal decisive for the classification as a pollutant:
Cd Cadmium
Hg Mercury
Pb Lead
Working with optical disk drives and media
When working with optical disk drives, these instructions must be followed.
V CAUTION!
● Only use CDs/DVDs/BDs that are in perfect condition, in order to
prevent data loss, equipment damage and injury.
● Check each CD/DVD/BD for damage, cracks, breakages etc. before
inserting it in the drive.
Note that any additional labels applied may change the mechanical
properties of a CD/DVD/BD and cause imbalance and vibrations.
Damaged and imbalanced CDs/DVDs/BDs can break at high drive
speeds (data loss).
Under certain circumstances, sharp CD/DVD/BD fragments can
pierce the cover of the optical disk drive (equipment damage) and can
fly out of the drive (danger of injury, particularly to uncovered body
parts such as the face or neck).
● High humidity and airborne dust levels are to be avoided. Electric
shocks and/or server failures may be caused by liquids such as
water, or metallic items, such as paper clips, entering a drive.
● Shocks and vibrations are also to be avoided.
● Do not insert any objects other than the specified CDs/DVDs/BDs.
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