System expansions
Information about boards
Take care with the locking mechanisms (catches and centring pins) when you
are replacing boards or com ponents on boards.
Note that some components on the mainboard may be very hot if the device was
in use shortly before the casing was removed.
To pre ven t d amage to the board or the component s and conductors on it, please take care w hen
you insert or remove boards. Make sure expansion boards are inserted straightly.
Never use sharp objects (screwdrivers) for leverage.
Boards with electrostat
ic sensitive devices (ESD) are identifiable by the label
shown.
When handling boards fit
ted with ESDs, you must always observe the
following points:
• You must always disc
harge static build up (e .g. by touching a grounded
object) before work
ing.
• The equipment and tools you use must be free of static charges.
• Only tou ch or hold t
he boards by the edge or, if present, at the a reas
marked green (Touc
h Points).
• Never touch pins or conductors on boards fitted with ESDs.
Overview of the interior
1
4
5
2
3
1 = Ventilation duct with fan unit
2 = Service doo r
3 = Ventilation duct from hard disks /
power supply unit
4 = Power supply unit
5 = Board lock
42 Fujitsu
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