Fujitsu PRIMERGY TX2550 M4, Upgrade And Maintenance Manual

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TX2550 M4 Upgrade and Maintenance Manual
291
9 Expansion cards and 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 more information, see chapter "Important information" on
page 37 .