System expansions
Information about boards
Take care with the locking mechanisms ( ca tches a nd centring pins) when you
are replacing boards or components on boards.
Note that some components on the mainboard may b e very hot if the device was
in use shortly before the casing was removed.
To preven t damage to the board or the components and conductors on it, please take care when
you insert or remove board s. 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) b efore work
ing.
• The equipment and tools you use must be free of static charges.
• Only touch or hold t
he boards by the e dge or, if present, at the areas
marked green (Touc
h Points).
• Never touch pins or conductors on boards fitted with E SDs.
32 Fujitsu Technology Solutions
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