Path: utzoo!attcan!uunet!tut.cis.ohio-state.edu!rutgers!cbmvax!joe
From: joe@cbmvax.commodore.com (Joe O'Hara - Product Assurance)
Newsgroups: comp.sys.amiga.hardware
Subject: Re: 2 Amiga 3000 Questions (from a new Owner ;^))
Message-ID: <13027@cbmvax.commodore.com>
Date: 3 Jul 90 21:04:52 GMT
References: <1065@orange9.qtp.ufl.edu> <33215@ut-emx.UUCP> <198@mohawk.cs.utexas.edu>
Reply-To: joe@cbmvax (Joe O'Hara - Product Assurance)
Organization: Commodore, West Chester, PA
Lines: 25

In article <198@mohawk.cs.utexas.edu> bryan@cs.utexas.edu writes:
>In article <33215@ut-emx.UUCP> lshaw@walt.cc.utexas.edu (logan shaw) writes:
>
>	[about Quantum drives]
>=-
>=-After you have not used the disk for a period of 5 or 10 seconds, the
>=-drive will decide to park itself.  Thus, you don't have to do it yourself.
>=-Sometimes you'll see the little light flash when it does this.
>=-
>	Er, no.  The hard disk light flashes briefly after a short timeout
>(which is more like 3 seconds) because the disk validator is accessing the
>drive, updating the bitmap for some partition.  This is the Amiga system
>software at work, not the drive controller.

Actually, no. The Quantum firmware contains a routine to periodically move
the heads to prevent a problem they had earlier experienced with lubricant
viscuosity causing the heads to stick after being idle. This was the infamous
Apple (Quantum) drive problem.
-- 
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  Joe O'Hara                ||      Disclaimer: I didn't say that!
  Commodore Electronics Ltd ||
  Product Assurance         || "I never lie when I have sand in my shoes."
  Systems Evaluation Group  ||             - Geordi LeForge, Star Trek TNG
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