I'm new to the seagate serial terminal stuff, and have pretty much hooked up all of my dead seagates just to see what happpens. I've noticed that on a lot of them with clicking problems (which I have assumed to be bad heads) the terminal will output HEAD MASK 01,01 or FFFF or some other hex number repeatedly while it is clicking. I'm curious as to what exactly this is referring to. It looks like the second number indicates the number of retries (I've seen plenty of HEAD MASK 07,01 HEAD MASK 07,05 HEAD MASK 07,06 and so on) but what does the first number represent?

What is the difference between HEAD MASK 07,01 HEAD MASK 07,05 HEAD MASK 07,06 etc. and HEAD MASK FFFF HEAD MASK FFFF HEAD MASK FFFF etc?

Thanks for the help.

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