> : |      start 64, size 64 (0 MB), flag 0x80
> : |          beg: cylinder    0, head   1, sector  2
> : |          end: cylinder    0, head   2, sector  2
>
> Okay, so it's bootable, but realize that your partition starts one sector
> "late" from a BIOS cylinder, AND, the size of this partition is nearly nil

it's normal setting done with installboot/disklabel

> (64 blocks).  Some BIOSes will not allow reading blocks beyond the end of
> the partition, and it's pretty likely that /boot will reside beyond block 64
> of that partition.  8-)

BIOS don't know the term "partition"