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Date:      Sun, 19 Apr 1998 22:55:32 -0500
From:      David Kelly <dkelly@hiwaay.net>
To:        Stephen Hocking-Senior Programmer PGS Tensor Perth <shocking@prth.pgs.com>
Cc:        hardware@FreeBSD.ORG
Subject:   Re: Narrow SCSI controllers, and using WIDE drives with them 
Message-ID:  <199804200355.WAA00526@nospam.hiwaay.net>
In-Reply-To: Message from Stephen Hocking-Senior Programmer PGS Tensor Perth <shocking@prth.pgs.com>  of "Mon, 20 Apr 1998 11:12:33 %2B0800." <199804200312.LAA24540@ariadne.tensor.pgs.com> 

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Stephen Hocking-Senior Programmer PGS Tensor Perth writes:
> 
> Is it possible, and if you have one of those 50 pin flat ribbon cables, is it
>  
> possible to buy adaptors for those D-plug style connectors?

Yes, it is possible to buy adapters. No, it won't work. As a general 
rule wide HD's will not fall back to a narrow connection. Wide 
controllers are forced to fall back and handle narrow devices as a 
special case.

The exception (only seen it in documentation, not fact) was a wide 9G 
IBM drive with SCA connector. There was either a pin on the SCA or an 
external jumper to force the drive to fall back to narrow SCSI.

--
David Kelly N4HHE, dkelly@nospam.hiwaay.net
=====================================================================
The human mind ordinarily operates at only ten percent of its
capacity -- the rest is overhead for the operating system.



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