HELP - hard drive sleep

I want to make my pascal program turn the hard drive into sleeping mode.

I know that sending ascii 99 + 230 for port $1F7 enters the
sleeping mode. What I do not fix is setting the timeout value.

Is there anybody who can help?

Gratefulest
Brian

Mail to:
e-mail: aiding.serv...@oystre-slidre.mail.telia.com

Net-Tamer V 1.08 - Test Drive