Path: utzoo!utgpu!watmath!att!mtuxo!gjp1
From: gjp1@mtuxo.att.com (XMRK4-G.PATEMAN)
Newsgroups: comp.sys.ibm.pc
Subject: Re: 5.25 HD diskette quality
Keywords: comparison defects
Message-ID: <5270@mtuxo.att.com>
Date: 26 Aug 89 16:26:11 GMT
References: <3664@i.sei.cmu.edu>
Reply-To: gjp1@mtuxo.UUCP (XMRK4-G.PATEMAN)
Organization: AT&T, Middletown NJ
Lines: 24


In article <3664@i.sei.cmu.edu> gjp@sei.cmu.edu (George Pandelios) writes:
>Does anyone out there have any *hard data* for the reliability of 
>5.25" 1.2 MB High Density floppies?  Is one brand(s) better than another?

I did some certification tests on various brands of high- and low-density
media a year or two ago.  The results were used to specify which brands 
were OK for AT&T software distribution.  Maxell came out on top in the
ANSI tests performed on our Mountain certifier.  Kao and BASF were also
good quality, if memory serves me right.  Some brands that did not fare
as well were 3M, Brown and Dysan.  Still, these disks generally performed 
without errors on a PC.

Keep in mind, however that manufacturers do change their formulations
frequently and that, if these tests were performed today, the results
would probably differ significantly.  The tests were also performed
using ideal (aligned, calibrated, cleaned) drives.  Your mileage may vary.

================
George J Pateman
CAHTP Media Lab
AT&T / Bell Labs
200 Laurel Ave
Middletown, NJ  07748