The cage or motherboard subsection into which PICs are inserted. The Amiga 2000 and Amiga 3000 computers have integral backplanes, the Amiga 500 and Amiga 1000 computers require add-on backplane cages for Zorro II compatibility.
![[Index]](../images/index.gif)
![[Contents]](../images/toc_d.gif)
![[Help]](../images/help_d.gif)
![[Retrace]](../images/retrace_d.gif)
![[Browse <]](../images/prev.gif)
![[Browse >]](../images/next.gif)