MB, PC, MA, (PDP8)
<UL>
<LI><b>R211J</b> is a drawing of DEC's R211J.</LI>
<LI><b>R211K</b> needs a drawing.</LI>
<LI><b>R211L</b> needs a drawing.</LI>
<LI><b>R211X</b> is a 'modernized' R211.</LI>