Largest ST-506 (MFM or RLL) type HDD?

Ethan Dicks ethan.dicks at
Wed Oct 14 15:58:36 CDT 2009

On 10/14/09, Al Kossow <aek at> wrote:
> Philip Pemberton wrote:
>> Hi guys,
>>   Does anyone know what the largest capacity MFM or RLL (i.e.
>> ST-506/ST-412 type interface) hard disk was?
> The Maxtor 2190

And, in case you aren't familiar with it, it happened to be known as
the RD54 in the DEC world, so it is *not* an uncommon drive (I have

It worked great with the RQDX3 and in the MicroVAX/VAXstation 2000.
*Much* more robust than the RD53/Micropolis 1325.


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