Ok, here are some new Asus Bioses, released on 02/18/2002: A7N266 1001.C Final (=1001 - 21 Beta) A7N266-E 1001.C Final (=1001 - 21 Beta) TUSL2- / CUSL2 - Serie ( i815e ) 1012 - 04 Beta TUSL2-C / CUSL2-C ( i815ep ) 1012 - 04 Beta TUEP2-M / CUEP2-M ( i815ep ) 1012 - 04 Beta TUEG-VM ( i815eg ) 1012 - 04 Beta TUV4X 1004 - 07 Beta Check first if it is the right BIOS for your board and be careful when you flash your BIOS.