>
> Andries B. discovered that there is a jumper that allows one to select
> between 15/16 hardwired head reporting. They are shipped with the jumper
> selected to 15 and you loose about 5% capacity.
>
> Since the geometry rules for disk translations larger than 8.4GB do not
> allow for 15 heads, he and I are discussing various options to account for
> the error that IBM did.
>
> The request is reasonable to add 15/16 combination, but the rule breaking
> leaves us wondering some. Since this is a geometry issue and Andries is
> primarily responsible for that part of the kernel, I will defer to his
> judgement.
I just bought one of these drives, I'll check it tonight to see what it
shipped default with.
Because, according to:
http://www.storage.ibm.com/techsup/hddtech/djna/djnajum.htm
"16 head logical architecture is enabled as the shipping default. Master
is set to on (i.e. jumper on pins A-B and G-H). No other jumpers are
fitted."
Dax Kelson
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