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From: chao@oahu.cs.ucla.edu (Chia-Chi Chao)
Newsgroups: comp.sys.ibm.pc.hardware
Subject: Re: RLL, sector remapping, and 1024 cylinders
Message-ID: <39586@shemp.CS.UCLA.EDU>
Date: 2 Oct 90 04:25:59 GMT
References: <3343@amc-gw.amc.com> <90274.223047RFM@psuvm.psu.edu>
Sender: news@CS.UCLA.EDU
Organization: UCLA Computer Science Department
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In article <90274.223047RFM@psuvm.psu.edu> RFM@psuvm.psu.edu writes:
>Five heads??? Seven heads????  I always thought heads can in EVEN multiples.
>Maybe you're confused because the first head is numbered zero. Try 6 or
>8, as the case may be.

Voice coil driven drives usually have _ODD_ number of usable heads, as one is
used by the drive itself to detect where the tracks are.
--

Chia-Chi Chao     chao@cs.ucla.edu   ..!ucbvax!cs.ucla.edu!chao