1.70 1. CPU Microcode updated. 1.40 1. With FSB 800 MHz CPU installed, BIOS can be updated correctly. 1.30 1. CPU Microcode updated. 2. System can boot up correctly if DDR 400 (CL=3) SDRAM is installed. 1.20 1. CPU Microcode updated. 1.10 1. First released.