On Thu, Oct 23, 2003 at 10:13:14PM -0400, William Allen Simpson wrote:
  | Bill Studenmund wrote:
  | > 
  | > On Thu, Oct 23, 2003 at 05:03:54PM -0400, William Allen Simpson wrote:
  | > > Since there are only 4 partitions on a drive, and rarely more than 2
  | > > drives on a cable, and there's no need for any particular order or
  | > > correspondence with the "slice"/partition #, I'd prefer 1-9,0,'-','='
  | > > for serial bootblocks, and the old F1, F2, ..., F12 for laptop/desktop.
  | > 
  | > We now support partitions in extended partitions, so there are more than 4
  | > partitions per drive. :-)
  | > 
  | Aagghh (slap), I didn't think of that.  Surely, the plan isn't to 
  | support up to 13 boot blocks per drive?  Times 4 drives?

The current method that the "boot selector" is implemented doesn't
support selecting anything other than the 4 primary partitions; there
just isn't the space in the MBR to implement anything fancier.