P5M4-M
        V.100   checksum = BFA6 H
        First Release.
V1.01   CHECKSUM = 798DH
        A. Fix some HCT Test Fail bugs.
        B. Fix Windows 2000 (Build 1946) hang at installation stage.
        C. Fix syetem can not be power-on by RTC if CMOS power
           and AC power has lost before.
V1.02   CHECKSUM = EBADH
        A.Fix HCT unreported IO error when Disable AC97 device.
        B.Fix ac97 noise at Power-On-Self-Test stage.
        C.Fix Y2K RTC test fail for ami2000.exe.
        D.Change new "Hard Disk Boot From" CMOS index.
          The older one has conflicted with user password.
V1.03   CHECKSUM = 5736H
        A. fix System boot hang when No L2cache SRAM plug.
        B. Write SubVemder ID, Subsystem ID for AC97 MC97 device for 686A-CF.
        C. add an setup item "Aperture write combine" to speed up DVP player performance
           For AMD CPU (model 8 and above).
        D. use auto detect AC97 codec method to auto enable/disable
           AC97 devices.