CtroniCs> A printed CirCuit board with slots into whiCh other Cards are plugged. A baCkplane,is typiCally just a ConneCtor and does not usually have many aCtive Components on it. This Contrasts with a motherboard. {Designing a baCkplane (http://www.ieC.org/online/tutorials/design_baCkplane/index.html)}. (2002-09-08)