Update: Hardly 24H aprés that we announced the probléme to Asus, a new BIOS (the 05/05/2003) was provided to us by division BIOS of Asus Taiwan! This one should be available tomorrow on waiters ftp of Asus dice! It acts in fact of the revision 1006 Beta 003 which makes like principal innovation the correction of the bug of the 166-199 MHz. Aprés tests, it avére that indeed, the problem from now on is regulated. Officially, it is however about a bug... Though it is, the problem is regulated is the P4C800 becomes again of the blow trés interessante for the large overclocking with P4 FSB533. Moreover, VCore max passes now from 1.7 Volts to 1.95 Volts! Let us greet the reactivity of Asus here... Some screenshots: