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General
Note ...
The actual on board markings of backplane Pn connectors do not necessarily
represent the logical number of the slot.
Figure 1:
Kontron Modular Computers Slot Numbering (both 3U and 6U boards)
1.2
PCI Bus Extension
The PICMG 2.0 CompactPCI Specification restricts the length of a bus segment of a given
CompactPCI backplane to 8 slots or less. This restriction has been determined by extensive
simulation and characterization and guarantees an optmimum operation of PCI-compliant inte-
grated circuits. Since the inception of PCI, design engineers have extended this eight-slot re-
striction by using PCI-to-PCI bridge components. Thanks to the use of such bridge
components, which are put into effect using a special bridge module, the implementation of
CompactPCI backplanes providing more than 8 slots is possible.
1.3
Distinctive Features
The Kontron Modular Computers CompactPCI backplanes can be distinguished according to
the following distinctive features:
•
Form factor (height and width)
•
Number of slots
•
Position of the system slot (primarily to the right)
•
Bus resolution
•
Bus frequency
•
Rear I/O connectivity
•
Telephony connectivity
•
Hot-swap capability
•
Power Supply Connector
•
Redundant power supply
Page 4
Logical Slot Numbering
8
7
6
Physical Slot Numbering
1
2
3
© 2005 Kontron Modular Computers GmbH
CPCI Backplane
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ID 24229, Rev. 03
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