1.70 1. Fine tuned Defer Function. 1.60 1. Fine tuned Defer Function. 2. CPU Microcode updated. 1.40 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" 1.20 1. Removed one memory test in check point d4h and added io delay in init local apic code. 1.10 1. CPU Microcode updated. 2. If non-UDMA CD-ROM is connected with HDD on same IDE channel, Windows XP can be installed correctly. 3. With total memory 3 GB and Nvidia GeForce 4 FX5200 AGP card are installed, system should boot into Windows XP without problem. 4. With total memory 3 GB and ATi Radeon 9200 AGP card are installed, ATi AGP card driver should be able to be installed. 1.00 1. First released.