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Article #6057

Re: HD questions..

#6057
From: Mike Matthews
Date: Thu, 23 Nov 1989 16:33
40 lines
2528 bytes
In article <3347@jhunix.HCF.JHU.EDU> ins_bac@jhunix.UUCP (Ajay Choudhri) writes:
[stuff deleted]
>1) Can I hook up any SCSI drive to this adaptor(such as the N drives from 
>Seagate)
  I am now running a Seagate 296N off my ICD.  You can definitely hook up the
Seagate N series, as well as any Seagate that I know of.
>
>2) What Controller card apart from the adaptec 4070 and 4000(a) work with
>standard HD mechs(non scsi). IS there a WD, Xebec or possible OMTI substitution
There is an OMTI ... I think it's 3527, not sure.  RLL.
>
>3) What turns out to be faster, an N series drive or a controller/HD combo.
N series by far.  Embedded SCSI speeds things up bigtime.
>
>thanks for any and all help
sure... no prob
> -Ajay Choudhri
>
However.  While I'm posting this, I have a question.  I have an ICD host
adaptor, Mega 2 (with an older style DMA chip -- the original one would NOT
work with Spectre 128, ICD HA, and a Seagate 251 MFM drive w/ Adaptec 4000),
a Seagate 296N, and a Conner CP340 -- the same drive in the STacy, I'm told.
The problem:  The two drives just will not get along.  Both work fine by them-
selves (although I don't think I can format the Conner correctly; HDX 3.01
refuses to touch it -- I think it doesn't like my ICD HA).  But when the Conner
at SCSI 0 and the 296N at SCSI 4 (friend of mine said he had troubles with ICDs
in that they wouldn't always recognize different SCSI configs) try to act to-
gether, strange things happen.  The desktop usually works -- I dumped ~ 40 meg
of stuff no problems from the Seagate to the Conner and part of it back.  I
try to boot Shadow, and after the reboot, I don't have any more hard drives.
Same goes for RATEHD and sometimes IDCHECK.  Has anyone else had similar 
problems?  Now, I'm going to sell the Conner (or try to), since I simply can
not afford to fix my system so it can do what I want it to do.

Looks like the DMA bus is being munged, since it takes several reboots after
the drives go bye-bye before I can autoboot again.

(I'm using ICD 3.41 software)

Mike
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References: <3347@jhunix.HCF.JHU.EDU>

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Path: arc1-ca.pugleaf.net!utzoo!attcan!utgpu!jarvis.csri.toronto.edu!mailrus!cs.utexas.edu!samsung!aplcen!haven!umd5!matthews
From: matthews@umd5.umd.edu (Mike Matthews)
Newsgroups: comp.sys.atari.st
Subject: Re: HD questions..
Message-ID: <5670@umd5.umd.edu>
Date: 23 Nov 89 16:33:47 GMT
References: <3347@jhunix.HCF.JHU.EDU>
Reply-To: matthews@umd5.umd.edu (Mike Matthews)
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Organization: University of Maryland, College Park
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