def isValidArch(sArch):
    """
    Validates the CPU architecture name.
    """
    if sArch in ('x86', 'amd64', 'sparc32', 'sparc64', 's390', 's390x', 'ppc32', 'ppc64', \
               'mips32', 'mips64', 'ia64', 'hppa32', 'hppa64', 'arm', 'alpha'):
        return True;
    return False;