I installed 10.4.3 on a machine with an existing windows xp install. Now Darwin only load OSX. I need to be able to have it load Windows XP too. It barely pauses at the menu at all before it starts loading OSx. I tried f8 and space, but no options come up.

I tried fixmbr using the windows install disc and no luck there.

did you install osx to it's own hard drive? if so, go to bios, select hard drive which has win xp on it. then install acronis os selector so that you can select which os to boot from.