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Date:      Thu, 10 Oct 2002 17:32:18 -0400
From:      Bill Moran <wmoran@potentialtech.com>
To:        questions@freebsd.org
Subject:   [OT] SCSI 80 to 68 pin converters, do they work?
Message-ID:  <3DA5F1E2.30605@potentialtech.com>

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We didn't think that this would be a big deal, but maybe it is.

We recently purchased 2 Seagate ST173404LCV 70G SCSI-160 hard
drives with the 80 pin connectors, as well as a pair of 80-68
pin adapters so we could hook them up to a 68-pin system.

In our tests, the drives are detected at 40mb/s by the Adaptec
controller card.  This is not a FreeBSD issue, because it's
the SCSI bios that detects the drives at 40.  I've tried
tweaking every setting I could in Adaptec bios, and yet the
drive is detected at 40.  I grabbed another SCSI-160 drive
with a 68 pin connector (not using the converter) and it's
detected at 160.  This means it's either the 80-68 converter
or it's the drive itself.

So ... before I send these drives back to Seagate and complain,
does anyone have experience with these 80-68 pin converters to
tell me whether it could be causing the problem or not?  We
got them for less than $10 - should we buy the more expensive
converters?  We've tried 2 converters/ 2 drives in all possible
combinations and it always detects as 40.

Any feedback is very much appreciated!

-Bill Moran


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