>According to the reboot(8) manual page:
>     -p      Attempt to powerdown the system.  If the powerdown fails, or the
>             system does not support software powerdown, the system will halt.
>             This option is only valid for halt.
>This reads as if 'halt -p' is the only way to power off the system. It's
>what I use on my notebook (AST Ascentia 910N) and it works fine.

	shutdown -p actually works, so i would say it is issue with
	documentation.

itojun