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daughterboard

noun

a small printed circuit board that attaches to a larger one

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daughterboard in Technology

hardware
(Or "daughter board", "daughtercard", "daughter card") A printed circuit board that connects to the motherboard. The daughterboard is typically smaller than the motherboard.
A daughterdboard often adds to or supports the main functions of the motherboard, unlike an expansion card which provides some new function. For example, a post-release hardware modification might be released as a daughterboard for soldering onto the motherboard.
(2004-09-28)

The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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