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digico SD7 Technical Notes page 2

Installing optocore hardware and software
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TN198 Page 2 of 11
Power Down Console and remove Engine.
The Engines are secured with 3 screws across the top and 3 screws across the bottom.
Carefully slide the Engine out. There are 3 ribbons and 1 Power Connector to unplug. Take care as
the cables may be quite tight, meaning you cannot slide the Engine out very far to unplug the
connectors.
The 3 ribbons are secured with two clips each. To release the ribbons, ease the clips outwards. This
will push the ribbon header out of the socket. Then carefully release the ribbon connector.
Remove the Engine Lid : There are 8 captive quarter-turn screws securing the lid.
In the front right hand corner of the Engine, locate the 3 ribbons that need unplugging.
These ribbons are unplugged from the Engine Board (the lowest card in the Engine Chassis).
See three pictures below for clarification.
These are :
• 2 x multi-coloured ribbons, labeled with "Local I/O" and "Video".
The Video connector is closer to the front of the chassis, the Local I/O connector is closer to the rear
(fan end) of the chassis.
• 1 x Grey ribbon (The Linkport Ribbon, unlabelled)
Wide 34 way ribbon
TN198.doc\

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