Just read about this problem. It mostly effects IBM GPX drives.
<BLOCKQUOTE><font size="1" face="Verdana, Arial">quote:</font><HR>According to Microsoft, the very fast systems sometimes power down before the contents of the large drive cache have been completely written to disk. In other words, the system shuts down before the OS can save what you were working on<HR></BLOCKQUOTE>
http://www2.itworld.com/cma/ett_arti...1_2669,00.html