Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!wuarchive!zaphod.mps.ohio-state.edu!unix.cis.pitt.edu!dsinc!bagate!cbmvax!jesup
From: jesup@cbmvax.commodore.com (Randell Jesup)
Newsgroups: comp.sys.amiga.hardware
Subject: Re: Quantum 105S question
Message-ID: <20990@cbmvax.commodore.com>
Date: 27 Apr 91 05:28:15 GMT
References: <280A74F5.599C@ibma0.cs.uiuc.edu> <1991Apr16.162914.29758@kuhub.cc.ukans.edu>
Reply-To: jesup@cbmvax.commodore.com (Randell Jesup)
Organization: Commodore, West Chester, PA
Lines: 24

In article <1991Apr16.162914.29758@kuhub.cc.ukans.edu> markv@kuhub.cc.ukans.edu writes:
>No this doesn't matter.  This may sound kludgy, but is the only way
>with most devices, and works fine.  SCSI devices can be adressed
>physically or logically, but the Amiga always just uses a logical
>block #.

	Actually, you can only address SCSI drives by logical block number.

>Now a question of mine, do the Quantum ProDrives come up with the
>Cache on by default, or does the driver have to send a mode command to
>turn it on, and...if the driver does have to enable it, then which
>drivers do this?  From the results I've gotten with DiskPerf and my
>Supra WordSync the cache seems to be on.

	Quantums come from the factory with caching enabled.  It is possible
to turn it off and save this setting if you don't want caching.

-- 
Randell Jesup, Keeper of AmigaDos, Commodore Engineering.
{uunet|rutgers}!cbmvax!jesup, jesup@cbmvax.commodore.com  BIX: rjesup  
Disclaimer: Nothing I say is anything other than my personal opinion.
Thus spake the Master Ninjei: "To program a million-line operating system
is easy, to change a man's temperament is more difficult."
(From "The Zen of Programming")  ;-)