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From: Werner Griessl <croot@btp1da.phy.uni-bayreuth.de>
Message-Id: <199605170945.JAA12589@btp1da.phy.uni-bayreuth.de>
Subject: Re: 2.1.0-R Cannot Detect Secondary EIDE Channel...
To: desmo@bandwidth.org (Kenneth J Monville)
Date: Fri, 17 May 1996 09:45:56 +0000 ()
Cc: questions@freebsd.org
In-Reply-To: <Pine.BSF.3.91.960515232406.24862B-100000@wasted> from Kenneth J Monville at "May 15, 96 11:28:03 pm"
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> I have found through trial and error that the only way to get 2 hard 
> drives and an atapi cd-rom is to have the cd-rom on the Master slave.  
> Anywhere else and it won't be found.  This is my current 
> setup and it is working fine:
> 
> Master primary- 540Mb Seagate IDE
> Master slave- ATAPI CD-ROM
> Secondary master- Western Digital 1.6Gb IDE
> Secondart slave- OPEN
> 
> I hope this helps,
> Ken
> 

But probably slows down your "Master primary- 540Mb Seagate IDE" disk-transfer-speed !
Try iozone to verify this !
On my system the speed went down from ~2Mb/sec to ~1Mb/sec with this configuration.
Werner