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Edition Glossary i
Glossary
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Notes:
1) The PCI Bus signals are detailed in the PCI Bus Signal Descriptions section and the PMC signals are
explained in the PMC Signal Descriptions section.
2) This glossary only features terms special to this manual. Explanations of more general terms can be found
in the Radstone Glossary, publication number RT5116.
AFIX
Additional Flexible Interface Extension.
Backplane (CompactPCI)
A backplane developed by the PICMG and defining a ruggedized version of PCI to be used in industrial
and embedded applications. With regard to electrical, logical and software functionality, it is 100%
compatible with the PCI standard. The cards are rack mounted and use standard Eurocard packaging.
Cards can be either 6U or 3U in height.
DDR
Double Data Rate.
GPIO
General Purpose Input/Output.
O/S
Operating System.
PICMG
PCI Industrial Computer Manufacturer’s Group
System Controller
A board in the System Controller slot of the CompactPCI backplane. The system controller provides a
separate clock to each of the peripheral cards in the backplane and also a PCI arbiter.
TAP
Test Access Point.
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