Aha.  I thought that 400 sounded a bit too good to be true...  C'est la
vie.
--
   Jeremy Stanley                Trend CMHS
I.S.Network Engineer      http://www.trendcmhs.org

 The opinions expressed herein do not necessarily
represent those of Trend CMHS or Trend Foundation.

   "I program my homecomputer; beam myself into
          the future." --Kraftwerk, 1981

> ----------
> From:         Michael Tibor[SMTP:[EMAIL PROTECTED]]
> Sent:         Wednesday, June 30, 1999 11:12 PM
> To:   [EMAIL PROTECTED]
> Subject:      RE: U-DMA-66 IDE / RAID
> 
> On Wed, 30 Jun 1999, Stanley, Jeremy wrote:
> 
> > I believe it is 66MBps per channel, but keep in mind that Ultra2
> SCSI
> > runs 80MBps per device and has been around for a couple of years.
> > Ultra3 is supposed to run around 160MBps.  My U2/5-drive RAID0 has a
> > "theoretical" bandwidth of 400MBps
> 
> Actually, that's 80MB/sec per *bus* not per device.  Remember, your
> typical 32 bit PCI bus tops out at about 132MB/sec anyhow.
> 
> Ultra3's 160 MB/sec would be nice, but I would think you'd need a 64
> bit
> PCI bus to do it right, and I've only seen those on Alpha
> motherboards.
> 
> Mike
> -- 
> Mike Tibor         Univ. of Alaska Anchorage    (907) 786-1001 voice
> LAN Technician     Consortium Library             (907) 786-6050 fax
> [EMAIL PROTECTED]       http://www.lib.uaa.alaska.edu/~tibor/
> http://www.lib.uaa.alaska.edu/~tibor/pgpkey  for PGP public key
> 

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