check out this article
http://www.cdrinfo.com/tips/hp_oc.shtml

plz be careful,i don't advocate this oc bcoz i haven't tried it on my hp cd writer

anyways i own a hp 8250i plus writer and the recording tab doesn't appear under the properties tab in winxp
i use nero and while starting up it hangs
i used hp's software and i got 2 coasters