I know this can not be true, but look at what this company (TCWO) posted for the L1 Cache and L2 Cache. I know it is not supposed to be in MB.
http://www.tcwo.com/cgi-bin/webc.cgi/st_prod.html?p_prodid=1576&sid=1gi2Ty0W-2@t52q
http://www.tcwo.com/cgi-bin/webc.cgi/st_prod.html?p_prodid=1576&sid=1gi2Ty0W-2@t52q