Copying DEC VAX set up disks rx50, help

[Allison]

>
>Subject: Re: Copying DEC VAX set up disks rx50, help
>   From: "Chuck Guzis" <cclist at sydex.com>
>   Date: Mon, 05 Mar 2007 14:22:39 -0800
>     To: "General Discussion: On-Topic and Off-Topic Posts" <cctalk at classiccmp.org>
>
>On 4 Mar 2007 at 18:00, Allison wrote:
>
>> Wrong.  The RX50 format and RX33 formats are very differnt...
>
>Ah.  So an easy accommodation is to declare a 360RPM 1.2MB drive as a 
>1.44MB 3.5".  That keeps the 250Kbps data rate for low density while 
>the drive keeps spinning happily at 360 RPM.  There's still the issue 
>of the missing IAM gap, but some National chips (8473 IIRC) seem to 
>be a bit more tolerant.
>
>Cheers,
>Chuck

DEC did do 3.5" formats those wer RX25(720k) and RX26(1.44m) and they did 
appear on later uVAX3100s.

Allison