TX140 S1 Upgrade and Maintenance Manual 223
9 Expansion cards and backup
units
This chapter provides information on how to install, remove or replace
expansion cards and battery backup units.
Safety notes
V CAUTION!
● Do not damage or modify internal cables or devices. Doing so may
cause a device failure, fire, or electric shock.
● Devices and components inside the server remain hot after
shutdown. After shutting down the server, wait for hot components to
cool down before installing or removing internal options.
● Circuit boards and soldered parts of internal options are exposed and
can be damaged by static electricity. Always discharge static build-up
(e.g. by touching a grounded object) before handling electrostatic-
sensitive devices (ESDs).
● Do not touch the circuitry on boards or soldered parts. Hold circuit
boards by their metallic areas or edges.
● If devices are installed or disassembled using methods other than
those outlined in this chapter, the warranty will be invalidated.
● For further information, please refer to chapter "Important
information" on page 41.
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