Reading ESDI disks
aek at bitsavers.org
Thu Feb 11 12:40:30 CST 2021
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.
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