RTC_SET
outb(RTC_DATA, reg | RTC_SET); /* allow time set now */
outb(RTC_DATA, reg & ~RTC_SET); /* allow time update */
DS1287_DATA_REG = (regb | RTC_SET);
DS1287_DATA_REG = (regb | RTC_SET);
RTC_PUT8(RTC_B, (regb | RTC_SET));
M5819P_DATA_REG = (regb | RTC_SET);