> From: Johnny Billquist <b...@softjar.se> > Date: Tue, 7 Mar 2017 00:47:08 +0100
> On 2017-03-06 15:03, Timothe Litt wrote: >> At some point, support for 18-bit disks (576 byte sectors) was dropped. The >> HSC50 definitely had it; the HSC90 did not. I'm unsure about the HSC70. > Unless I remember totally wrong, only the HSC50 could do 576 byte sectors. > It was dropped in a pretty early version of CRONIC, before support for any > other HSC controller existed. Correct. Only the HSC50 ever supported 576-byte sectors, and only on RA81 and smaller drives. (We really wanted RA82s on our 4-system CI cluster at Stanford LOTS, but were informed that it would never ever happen.) Rich _______________________________________________ Simh mailing list Simh@trailing-edge.com http://mailman.trailing-edge.com/mailman/listinfo/simh