I'm not a mandrake user, but the way this is done is more or less universal.
Take a look in the /etc/rc.d/init.d directory (where the startup scripts reside). These scripts probably parse one (or more) file with functions/checks (called functions in most distro's). The OK string should be in this file.
I know this is a general description, but you should be able to find and change what you want.
Hope this gets you goin again.