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From: blgardne@esunix.UUCP
Newsgroups: comp.sys.amiga
Subject: Re: SCSI hard disk query
Message-ID: <78@esunix.UUCP>
Date: Wed, 29-Apr-87 00:35:16 EDT
Article-I.D.: esunix.78
Posted: Wed Apr 29 00:35:16 1987
Date-Received: Sat, 2-May-87 03:17:58 EDT
References: <1730@cbmvax.cbmvax.cbm.UUCP>
Lines: 27

in article <1730@cbmvax.cbmvax.cbm.UUCP>, grr@cbmvax.UUCP says:
> In article <9475@decwrl.DEC.COM> oakley@cgfsv1.dec.com (SPS Guy) writes:
>>	I have been lucky to pick up a pair of Seagate ST-412 10 Mb drives, 
>>which are I beleive of the SCSI persuasion.
> 
> OOPS - if they are ST-412, then they are not SCSI.  SCSI drives are best
> identified by having a 50 pin header connector for the signal cable.  They
> are not often (if ever) seen in sizes as small as 10 MB.

  So how about a brief tutorial on how to recognize SCSI vs ST506? If
I'm looking a "raw" hard drive and it has a 50 pin edge card connector
it's SCSI, is that what you're saying George? Or are you referring to a
50 pin DB type connector on an enclosed drive? 

  What kind of connections does a ST506 drive have? And where does SASI
fit in here? Does ST506 = SASI = IBM PC hard drive?

  I realize that SCSI has lots of potential for huge storage expansion,
but a lot of Amiga SCSI stuff I've seen seems to be going around in
circles. What I mean is Amiga -> SCSI then SCSI -> ST506 drive. Why
waste the hardware (and money!) on SCSI if the drive being used is
simply the more limited ST506?  Or am I barking up the wrong tree?

-- 
Blaine Gardner @ Evans & Sutherland
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