http://www.asus.com/pub/ASUS/mb/so [...] v33315.zip
1. Support Althon XP 2600+ CPU.
2. Support FSB 333 MHz CPU.
3. A7V333 BIOS update history:
*Current BIOS version 1003/1004>BIOS update> Aflash under DOS.
If your current BIOS version is 1003 or 1004, please use Aflash under DOS to update BIOS.
**Current BIOS version 1005 or 1006>BIOS update>Aflash or EZflash.
If your current BIOS version is 1005 or 1006,please use Aflash or EZflash to update BIOS.
***Current BIOS version 1007 or later>BIOS update> Aflash, EZflash, or ASUS Update.
If your current BIOS version is 1007 or later, please use Aflash, EZflash, or ASUS Update to update BIOS.
****Above BIOS update rules have to be followed in order to avoid the occurrence of BIOS corruption.