Substituting DSHD for DSDD disks (or DS2D if you prefer)

Chuck Guzis cclist at sydex.com
Tue Jan 26 20:04:11 CST 2016


On 01/26/2016 05:27 PM, Eric Smith wrote:

> Entirely different. As was DEC RX02.

You've lost me there.  Both HP and Intel were true MMFM; the RX02 was 
single-density headers and a somewhat modified MFM (probably to avoid 
false FM address mark triggering on MFM sequences.

--Chuck












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