RD51 reduced write current signal?

Paul Koning paulkoning at comcast.net
Mon Feb 1 13:36:12 CST 2021

> On Feb 1, 2021, at 2:32 PM, Dennis Boone via cctalk <cctalk at classiccmp.org> wrote:
>> I realized I also don't know the RD31 and RD32.
> The rest of the list I found long ago is:
> RD31    Seagate ST-225  20 MB
> RD32    Seagate ST-251  42 MB
> RD51    Seagate ST-412  10 MB
> RD52    Quantum Q540    31 MB
> It's clearly incomplete, as you found there were two different devices
> used for one of th RD models.
> De


The Pro technical manual clearly mentions two RD52 variants, the other one is an Atasi 3046.  And the rumored CDC RD52 is a 9415-36 ("Wren I").


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