Path: utzoo!utgpu!news-server.csri.toronto.edu!mailrus!ncar!boulder!wallwey
From: wallwey@boulder.Colorado.EDU (WALLWEY DEAN WILLIAM)
Newsgroups: comp.sys.ibm.pc
Subject: Re: ESDI or SCSI or RLL?
Message-ID: <18758@boulder.Colorado.EDU>
Date: 23 Mar 90 05:05:25 GMT
References: <90081.181305MHS108@psuvm.psu.edu>
Sender: news@boulder.Colorado.EDU
Reply-To: wallwey@boulder.Colorado.EDU (WALLWEY DEAN WILLIAM)
Organization: University of Colorado, Boulder
Lines: 39

In article <90081.181305MHS108@psuvm.psu.edu> MHS108@psuvm.psu.edu (Mark Solsman) writes:
>I am buying a new 386-25. Which disk sub-system should it have?
>
> 1 - EDSI  2 - SCSI  3 - RLL
>
>
>  ...why do you say so?

I say its not a simple choice!!!!
You need to tell the net more about what you want to do and how much you
want to spend--

Here are some of my over-simplified generaliztions:

1-EDSI
	Fast-efficient somewhat expensive--most top quality computers
	come with either this type of drive or the SCSI
2-SCSI
	Fast to Very Fast- expensive but getting better-seems to be wave
of the future.  Incompatable problems sometimes- Not totaly
standardized- Make sure Hard Drive works with controler before buying.
One companies SCSI is not necessarily anothers (but usually is).
Still seems to be lack of software drivers for some things (OS/2?).
Usually top quality---Look for "SCSI-2" in future.  Not sure if you can
use Utilities like Norton, etc. (COMMENTS???)
3-RLL
	is an upgrade from MFM, if you are getting a 386-25 and can
afford it, go with the other two.  If you do get an RLL controller, make
very sure you get an RLL drive not an MFM.(Some MFM drives will work
with RLL, but tend to fail like a month later). 

To find out more information check out one of the latest Computer
Shopper Magazines  They just did a special edition for Hard Drives, and
makes for good reading.

Now I've probably started a drive interface war.....I hope not, but
please make comments, corrections, and additions.

Dean Wallwey