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A brand new and boxed 2 Slot backplane to be fitted to my Archimedes
A310
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Inside the box, and typical Acorn fashion, some small components
and a mountain of polystyrene chips.
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The kit should comprise of, Backplane, Mounting Bar, 4x self tapping
screws, 2x hexagonal spacers, 4x straight screws, 4x long screws, 6x nuts,
Fan, Dust Filter and Filter Clamp.
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First remove the top cover of the machine by removing the 3 screws
highlighted. Ensure proper electrical isolation before starting.
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Remove the 2 screws, one at either side of the front of the case.
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The top cover can now be slid off towards the rear of the base
unit.
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Next, take the 4x self tapping screws, 2x spacer pillars, the mounting
bar and backplane.
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With the items laid out as shown in the previous image, assemble
as shown.
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Another view of the Backplane fitted to the mounting bar, note
the bars orientation and positioning of the spacers.
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Inside the machine, cut the cable tie that holds the extra power
cables together. DO_NOT cut into the cables.
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You should now have a red, black and yellow and the spare connector
for a hard disc.
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Fit the backplane as shown, being careful not to trap any cables.
The holes in each end of the mounting bar should line up with the one on
the PSU and side of the case.
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When everything is in line gently push down to ensure the connector
is fully home. Secure the backplane and mounting bar to the machine using
the 2 straight screws in the positions highlighted.
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The 3 power cables need fitting to the Backplane. Yellow to the
+12v, Red to the +5v and Black to the 0v
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They fit on the opposite side to the markings! How usefull !
Its a tight job with large hands so be careful. And support the other side
of the backplane whilst pushing the connectors on.
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Next we will fit the chassis fan. Take the 4 long screws and push
them through the 4 holes in the side of the chassis from the outside inwards.
Hold them in place and fit the fan over them, NOTE- the direction of airflow
is shown on the fan body, the arrow should be pointing INWARDS.
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Secure the fan in place with 4 nuts.
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Finally press the filter over the screws and fit the filter clamp,
securing it with the final 2 nuts. Last and most important, attatch the
fans power connector to the mainboard as highlighted.
You can now either fit some podules or just replace the machines lid.
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