I recently upgraded the hard drive in my Fujitsu S6231- removed the 40gb, 4200 rpm, 2mb cache HD and installed a Hitachi 7K60 60gb, 7200 RPM, 8mb cache HD.
I posted a "How-To" and this Forum-
http://forum.notebookreview.com/showthread.php?t=30202
I posted a "How-To" and this Forum-
http://forum.notebookreview.com/showthread.php?t=30202