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Date:      Wed, 26 Mar 1997 15:39:09 -0600 (CST)
From:      "Paul T. Root" <proot@horton.iaces.com>
To:        shawn@luke.cpl.net (Shawn Ramsey)
Cc:        questions@freebsd.org
Subject:   Re: SCSI-II vs Ultra-SCSI
Message-ID:  <199703262139.PAA02605@horton.iaces.com>
In-Reply-To: <Pine.BSF.3.95.970326121227.3057B-100000@luke.cpl.net> from Shawn Ramsey at "Mar 26, 97 12:14:08 pm"

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In a previous message, Shawn Ramsey said:
> > Hi all, 
> > 	In my continuing saga of upgrading my home machine, I have a question
> > on SCSI. My machine is still using a 1542B (Adaptec ISA, SCSI-II), and I 
> > need more disk. Can I put an Ultra Disk on it? 
> > 
> > 	Yes I know, that if it works it will not get optimum preformance,
> > that's fine for now. I found a 3.2 Gig Quantum for $399 from PC-Zone
> > which I could justify over a ~4.0 Gig EIDE drive for around $360.
> 
> You should be able to use it with an adapter. I also don't think you would
> lose much/any performance, unless you are using more bandwidth than the
> card allows(10MB/s)

Actually, looking through the SCSI FAQ, it appears that the 1542B is
5MB/s, the 1542CF gets you 10. 


> You would be well off getting a better card(PCI), such as NCR/Symbios
> cards. Very cheap, and peform very well.

I know. I'm trying to upgrade a step at a time. I got a second 1542B for
free (so far) from a Linux guy. And I plan to send my old controller with
the current 1gig disk to my Mom, when I get a new disk.

I think it was also in the FAQ that *any* current IDE would be higher 
performance than the 1542B. I have a Gigabyte MB with Triton II with
the 2 EIDE controllers.

Paul.

--
All generalizations are false.



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