<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"></head><body ><div>I wouldnt get too hung uo on only allowing combinations that real hardware allowed. I see no oeoblems eith plugging anrl02 image into a eqdx3, as .long as the software can habdle it. It may be useful doing conversions for examole.</div><div><br></div><div><br></div><div><br></div><div><br></div><div><div style="font-size:100%">Sent from Samsung tablet</div></div><br><br><br>-------- Original message --------<br>From Bob Supnik <bob@supnik.org> <br>Date: 10/30/2014 12:57 PM (GMT-07:00) <br>To simh@trailing-edge.com <br>Subject [Simh] Sigma disk design notes <br> <br><br>As I get ready to restart the Sigma project, I've gone back through the <br>Sigma disk specs. My notes are attached. The current simulation module <br>is not accurate, most notably in the way it allows controller/disk <br>pairings that didn't exist in real life.<br><br>Comments are welcome.<br><br>/Bob<br><br>_______________________________________________<br>Simh mailing list<br>Simh@trailing-edge.com<br>http://mailman.trailing-edge.com/mailman/listinfo/simh</body>