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U P S a n d b a t t e r y p a c k
Removing
1.
It is vitally important to ensure that the system is shut down, the
battery pack circuit breaker switch is in the Off position and the system
is disconnected from the mains electricity supply.
2.
If necessary, remove some of the expansion cards to improve access to
the bus bars, which provide power to the motherboard. You may also
need to unplug some of the data cables which are connected to the hard
disk drive modules.
Caution
Caution
It is vital that you remember the exact cable and connector arrangement of your
hard disks, particularly if you are using a RAID (Redundant Array of
Independent Disks) configuration. If you fail to restore the arrangement so that
all cables and plugs are as they were originally, you risk losing all the data on
your hard disks.
3.
Remove the motherboard cooling fan assembly as detailed in chapter 8.
4.
Detach two pairs of motherboard bus bars and remove the set of 3 bus
bars under the cooling fan assembly as shown in the following diagram:
Figure 10-2 Bus Bars
1.
Motherboard Bus Bars
5.
Make sure that there is enough clearance between the bus bars and their
power supply connections to allow the unit to slide freely.
◊ If there is not enough clearance, you will need to disconnect the other
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1
ends of the busbars and remove them completely. Take a careful note
of each busbar and the position it was removed from.
2.
Bus Bars for Hard Disk Power
Distribution Panel
2
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