1.60 1. Fine tuned "Defer Function". 1.50 1. CPU Microcode updated. 1.30 1. With Prescott Celeron 2.8GHz CPU, Windows XP should be installed correctly. 2. CPU Microcode updated. 3. Added BIOS Setup option "Defer Function" with "Auto"(Default), "Disabled", and "Enabled" options for Prescott 2.4 GHz FSB 533 MHz CPU. 4. BIOS file should be updated by FLASH.EXE correctly. 5. With Prescott 2.4 GHz FSB 533 MHz CPU installed, Windows XP should restart correctly. 6. "IDE Driving Strength" option was default changed to "Strong" 1.10 1. Removed one memory test in check point d4h and added io delay in init local apic code. 2. Low speed fan can be detected in the hardware monitor of BIOS setup. 1.00 1. First released.