Here’s something I found under the section for the 6460 on the HP web site. It tells you what to do to try to free up system resources. Not sure that’s important for Linux, but it was a big deal under win 9x.
http://h10025.www1.hp.com/ewfrf/wc/document?docname=bph06569&tmp_track_link=ot_faqs/top_issues/en_us/bph06569/loc:4&lc=en&dlc=en&cc=us&product=60499"]Increasing System Resources and Performance Without Adding Memory in Windows XP, Me, and 9x