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Date:      Thu, 31 Oct 1996 20:46:02 -0800
From:      "Michael L. VanLoon -- HeadCandy.com" <michaelv@MindBender.serv.net>
To:        Aled Morris <aledm@routers.co.uk>
Cc:        hardware@freebsd.org
Subject:   Re: simple SCSI question 
Message-ID:  <199611010446.UAA18882@MindBender.serv.net>
In-Reply-To: Your message of Thu, 31 Oct 96 19:05:20 %2B0000. <199610311905.TAA18469@deputy.pavilion.co.uk> 

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>At 10:58 31/10/96 -0800, Michael L. VanLoon -- HeadCandy.com wrote:
>>>Is it OK to mix Wide (e.g. Barracuda HDD) and non-Wide (e.g. CD-ROM)
>>>devices on a single bus?

>>On most modern adapters, you get three connectors: internal narrow,
>>internal wide, and external wide.  You can connect devices to two of
>>the three, but not all three at the same time (or else the termination
>>will be screwed up).

>The SCSI adaptor I have is built in to the motherboard (so no "external"
>connector as such) and I believe there is only one IDC type connector for
>the SCSI bus.
>I thought wide and narrow devices had the same connector?

They couldn't be much more different (internal connector, anyway).

Just one of the differences is that "normal" (narrow/8-bit) SCSI is
50-pin, and wide (16-bit) SCSI is 68-pin.

-----------------------------------------------------------------------------
  Michael L. VanLoon                           michaelv@MindBender.serv.net
        --<  Free your mind and your machine -- NetBSD free un*x  >--
    NetBSD working ports: 386+PC, Mac 68k, Amiga, Atari 68k, HP300, Sun3,
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    NetBSD ports in progress: PICA, others...
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