The new BIOS is updated as follows : 1. Update CPU micro code, increasing the 45/65nm CPU support. 2. Amended Quick Power On Self Test Set Disabled use 4GB Memory running Memory Test (PostCode Show 52), reopening of the Bug. 3. Address detection system sometimes fails to circuit card problems. 4. ATI amendment SATA IDE Type Item Value - "not optional Adaptive Human Computer Interface Based Bug