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3-6 Removal & Replacement Preliminaries
3.3.4 Cables and Connectors
Most cables used throughout the unit are flat, flexible cables. These cables must be
handled with care to avoid damage. Apply only the tension required to seat or unseat the
cables during insertion or removal from the connector. Handle cables by the connector
whenever possible. In all cases, avoid bending or twisting the cables, and ensure that the
cables are routed in such a way that they cannot be caught or snagged by parts being
removed or replaced.
CAUTION: When servicing this computer, ensure that cables are placed in their proper location during
the reassembly process. Improper cable placement can damage the computer.
3.3.5 Hard Drives
Handle hard drives as delicate precision components, avoiding all physical shock and
vibration. This applies to failed drives as well as replacement spares.
! If a drive must be mailed, place the drive in a bubble-pack mailer or other suitable
protective packaging and label the package “Fragile: Handle With Care.”
! Do not remove hard drives from the shipping package for storage. Keep hard
drives in their protective packaging until they are actually mounted in the CPU.
! Avoid dropping drives from any height onto any surface.
! If you are inserting or removing a hard drive, turn off the computer. Do not remove
a hard drive while the computer is on or in standby mode.
! Before handling a drive, ensure that you are discharged of static electricity. While
handling a drive, avoid touching the connector. For more information about
preventing electrostatic damage, refer to Section 3.1, “Electrostatic Discharge.”
! Do not use excessive force when inserting a drive.
! Avoid exposing a hard drive to liquids, temperature extremes, or products that
have magnetic fields such as monitors or speakers.
3.3.6 Lithium Coin Cell Battery
The battery that comes with the computer provides power to the real-time clock and has a
minimum lifetime of about three years.
See Chapter 4, “Removal and Replacement Procedures,” for instructions on the
replacement procedures.
!
WARNING: This computer contains a lithium battery. There is a risk of fire and chemical burn if the
battery is handled improperly. Do not disassemble, crush, puncture, short external contacts, dispose in
water or fire, or expose it to temperatures higher than 140ºF (60ºC).
CAUTION: Batteries, battery packs, and accumulators should not be disposed of together with the
general household waste.