[5115] in linux-scsi channel archive
Re: Linux as a SCSI _Target_ device?
daemon@ATHENA.MIT.EDU (Matthias Andree)
Thu Nov 12 17:24:31 1998
Date: Thu, 12 Nov 1998 20:46:33 +0100
From: Matthias Andree <mandree@sx1.HRZ.Uni-Dortmund.DE>
To: linux-kernel@vger.rutgers.edu, linux-scsi@vger.rutgers.edu
Mail-Followup-To: linux-kernel@vger.rutgers.edu,
linux-scsi@vger.rutgers.edu
In-Reply-To: <19981112093141.A19574@kg1.ping.de>; from Kurt Garloff on Thu, Nov 12, 1998 at 09:31:41AM +0100
On Thu, Nov 12, 1998 at 09:31:41AM +0100, Kurt Garloff wrote:
> The specification allows for 67MHz PCI devices, but I don't know such SCSI
> controllers, only AGP graphics cards (which have a trick to double bandwidth
> again, resulting in 533 MB/s).
Which is not so much of a trick, but a simple consideration:
* double the data transfer rate
* transfer one data word on each of the clock cycle edges
- you usually only use the rising edge of a clock cycle to
- transfer data.
--
Matthias Andree
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