Reading ESDI disks

[Al Kossow]

On 2/11/21 10:22 AM, Jon Elson via cctalk wrote:
> I think the 34-pin connector also allowed an 
> additional head select bit,
> so you could have up to 16 heads.

It also uses higher level serial command encoding

http://bitsavers.org/pdf/cdc/discs/wren/77738076D2_CDC_ESDI_Specification_Nov84.pdf starting at page 27

later versions of the interface are in the various OEM drive manuals on bitsavers.