Don't know but this may get u started:
<A HREF="http://www.tweakers.com.au/articles/cpu_mem/oc_axp-m/page1.asp" target="_new">http://www.tweakers.com.au/articles/cpu_mem/oc_axp-m/page1.asp</A>
and maybe this
<A HREF="http://www.cpuheat.wz.cz/html/AXP_multiplier/AXP_Multiplier.htm" target="_new">http://www.cpuheat.wz.cz/html/AXP_multiplier/AXP_Multiplier.htm</A>
The loving are the daring!