diff -r b5ca56b48581 drivers/acpi/sleep/proc.c
--- a/drivers/acpi/sleep/proc.c	Tue Jun 17 10:32:02 2008 +0100
+++ b/drivers/acpi/sleep/proc.c	Thu Jun 19 22:16:34 2008 +0800
@@ -251,6 +251,8 @@ acpi_system_write_alarm(struct file *fil
 
 	if (adjust) {
 		yr += CMOS_READ(RTC_YEAR);
+		if (acpi_gbl_FADT->century)
+			yr += CMOS_READ(acpi_gbl_FADT->century) * 100;
 		mo += CMOS_READ(RTC_MONTH);
 		day += CMOS_READ(RTC_DAY_OF_MONTH);
 		hr += CMOS_READ(RTC_HOURS);