5-6 Sun Fire T2000 Server Service Manual • July 2007
5.1.5 Disconnecting Power From the Server
Caution – The system supplies standby power to the circuit boards even when the
system is powered off.
● Disconnect both power cords from the power supplies.
Note – The following FRU replacements do not require that power be removed:
DIMMs and PCI cards.
5.1.6 Performing Electrostatic Discharge Prevention
Measures
1. Prepare an antistatic surface on which to set parts during removal and installation.
Place ESD-sensitive components such as the printed circuit boards on an antistatic
mat. The following items can be used as an antistatic mat:
■ Antistatic bag used to wrap a Sun replacement part
■ Sun ESD mat, part number 250-1088
■ Disposable ESD mat (shipped with some replacement parts or optional system
components)
2. Attach an antistatic wrist strap.
When servicing or removing server components, attach an antistatic strap to your
wrist and then to a metal area on the chassis. Do this after you disconnect the power
cords from the server.
5.1.7 Removing the Top Cover
All field-replaceable units (FRUs) that are not hot-swappable require the removal of
the top cover.
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