Rebuild instructions for amd64 systems

[Adam Vande More]

>
>
> then, add the following line below all other 'options' lines:
> options     PAE             # large memory (>4G) support
>
> then, find and comment out these two lines to avoid a conflict with PAE:
>
> device adv              # Advansys SCSI adapters
> device  adw             # Advansys wide SCSI adapter
>
>
This is unnecessary and bad.  pae should be used on i386 for large memory
support, amd64 in some ways exists so you don't have to run pae which is a
considerable performance hit.  I'm surprised that actually works.

-- 
Adam Vande More