On 10/13/2017 06:27 PM, Jon Elson via cctalk wrote: > For 800 BPI I have most of this in my head, if you have any specific > questions. (I wrote up a mostly software read/write interface for 800 > BPI NRZi mag tape many years ago on a CM/M system.) > > 800 BPI is a VERY simple format.
...and not everyone follows the standard. For example, some early vendors left out the CRC before the LRCC. Almost all drives will ignore the omission. 1600 PE is more complex and 6250 GCR is another world. --Chuck
