Date: Sun, 30 Apr 1995 21:40:41 -0700 (PDT) From: Julian Elischer <julian@ref.tfs.com> To: terry@cs.weber.edu (Terry Lambert) Cc: bao@saigon.async.com, questions@FreeBSD.org Subject: Re: 950412-SNAP Installation with ESDI (WD1007V) System Message-ID: <199505010440.VAA01512@ref.tfs.com> In-Reply-To: <9505010021.AA04511@cs.weber.edu> from "Terry Lambert" at Apr 30, 95 06:21:05 pm
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> > > So sector 0 is o, sector 1 is 1, and sector 49 is actually sector 52, > for instance. > > The further into the disk you go, the worse it is. > > This is what is called "non-linear" translation. This is what the WD1007 > uses to get "perfect media". unless you use 'slip sectoring' (ther is a jumper for that... in which case the spare sectors are hidden from BSD as well.... (they are given a sector ID of 0 which is never looked for by the driver (dos starts at 1 and so teh WD driver in BSD does the same) > > julian
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