[rescue] Re: Drive Reliability (was SCSI drive for sale at buy.com)

Dave McGuire mcguire at neurotica.com
Thu May 15 18:00:12 CDT 2003

On Thursday, May 15, 2003, at 05:37 PM, Jeffrey Nonken wrote:
>>    Calling it "MFM" is a bad idea, even though the term came into 
>> common
>> use.  The fact that the data was recorded using Modified Frequency
>> Modulation has precisely jack squat to do with [most of] the 
>> interface,
>> and indeed some other types of [non-ST-412-interfaced] drives used MFM
>> recording methods.
> Perhaps, but that's what they were commonly called by the people I 
> worked
> with at the time they were popular.

   Of course...the whole industry called them "MFM".  I was just 
pointing out that, despite popular usage, the terminology is not 
strictly correct.

   The same thing is happening with the term "broadband" today.  It's 

> In any case, you've piqued my curiosity. I seem to have a pair of the 
> MR522
> drives, a Rodime RO 204, a Tandon TM 603 SE and a spare controller 
> board, a
> Quantum Q540 marked "Non Repairable," a Tulin TL240, and a Seagate 
> ST-238R
> (which is the RLL version of the ST-225, or whatever that model number
> was), and thus has a whopping capacity of 30 whole meg.

   Yes indeed, the ST238 is the RLL-certified version of the ST225.  You 
can use an ST238 as an ST225...they're still 614cyl 4hd 17sec.  My God 
why do I remember that..


Dave McGuire                "They live deeply, these vagabonds."
St. Petersburg, FL                            -Goro

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