I do believe that crossing this hard coded 8G limit without changing
in other places would render your system unbootable. /bsd has to be
between those limits on your / partition, read the FAQ, its mentioned
there. The limit used to be lesser like 1G, I think. They increased it
sometime in the late 3.X or early 4.X series. You can check the cvs
log for cmd.c and see when it changed.

Thanks

> I want to change that to 9320 cylinders with 224 heads (32*7) and 56
> sectors (8*7) in fdisk interactive mode (disk). However, I cannot set the
> right cylinder size, since fdisk says that the "BIOS Cylinders" must be
> between 1-1024.
>
> The reason is that src/sbin/fdisk/cmd.c has "BIOS Cylinders" hardcoded
> (maxcyl = 1024, roughly 8G then). Is there any necessity for limiting this
> value? If not, could we raise it to something more contemporary, like 2^16
> or more (I'd prepare a diff if I had a suitable machine at hand right
> now)?

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