If you are using Win9x/Me please read: <A HREF="http://support.microsoft.com/support/kb/articles/Q253/9/12.ASP?LN=EN-US&SD=gn&FR=0&qry=q253912&rnk=1&src=DHCS_MSPSS_gn_SRCH&SPR=W98SE" target="_new"> Q253912</A> this is a known problem for these OS's. It is not your M/B.
Recommendation, upgrade to Win2k/XP. These can handle your large amounts of DRAM sufficiently.
Fisher of men<P ID="edit"><FONT SIZE=-1><EM>Edited by jc14all on 09/02/01 04:44 PM.</EM></FONT></P>