Gene Heskett wrote: > Lonni J Friedman wrote: >> That looks like a BIOS bug. The BIOS routes the IRQs most of the >> time. Have you verified that you're using the latest BIOS? >> > > Hp seems to have those rather well hidden, url please? I started at: http://h20180.www2.hp.com/apps/Lookup?h_lang=en&h_cc=us&cc=us&h_page=hpcom&lang=en&h_client=S-A-R163-1&h_pagetype=s-002&h_query=DV5320US+&submit.x=10&submit.y=3 And it seems that the; HP Pavilion zv5300 Notebook PC series HP Pavilion zv5320us Notebook PC Is what you have? That got me to: http://h10025.www1.hp.com/ewfrf/wc/softwareList?lc=en&cc=us&dlc=en&product=433743&lang=en&os=228 Does that help?