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Re: Promise FastTrak Ultra ATA RAID host adapter

daemon@ATHENA.MIT.EDU (Jeffrey B. Siegal)
Sat May 23 15:08:31 1998

Date: 	Sat, 23 May 1998 12:06:07 -0700
From: "Jeffrey B. Siegal" <jbs@quiotix.com>
To: kernel@nls.net
CC: Juan Jose Villaplana Querol <villapla@si.uji.es>,
        linux-scsi@vger.rutgers.edu,
        Juan Jose Villaplana Querol <villapla@nuvol.uji.es>

Phil's Kernel Account wrote:

> And I HIGHLY doubt the truth of their claims. 25M/s? Maybe
> with UDMA/33. *MAYBE*. But VERY doubtful. Drives aren't THAT good.

I get about 9+M/sec reading using a Quantum Fireball ST on a non-Ultra IDE
controller, so it seems possible to achieve 25M/sec using UDMA, two IDE
channels, and slightly faster drives.


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