"Jay West" wrote: >I came across a large pile of Micropolis 1558 ESDI drives today. No clue >what the owner wants for them. I was wondering if these might be compatible >with an 11/23's RQDX3 controller? nope. RQDX3 is MFM. Think ST-225. You'd need an ESDI controller for those. (and if anyone has one for qbus they don't need, let me know! :-) -brad