On Sep 3, Joel Reicher wrote
> Is the BIOS addressable space less than 528Mb or less 
> than 1024 cylinders? I know both are limitations, but are they the same 
> issue?
> 

It is less than 1024 cylinders, less than 17 heads and less than 64 sectors.
1023*16*63*512 = 527966208 bytes.
As IDE drives now generally have 16 heads and 63 sectors, the only limitation
remaining is "less than 1024 cylinders", which is equivalent to
"less than 528Mb".

--
Manuel Bouyer, LIP6, Universite Paris VI.           Manuel.Bouyer@lip6.fr
--