Those tools only work with JHXXX BIOS 1.03 or higher (1.04 ¡K).

1. Boot to pure DOS
2. Execute "AHCI_DIS.exe" to disable AHCI mode or "AHCI_EN.exe" to enable AHCI mode.
        
AHCI_DIS.EXE <= Disable AHCI mode

AHCI_EN.EXE  <= Enable AHCI mode