Microsoft Year 2000 Readiness Disclosure & Resource Center

Windows Operating System Interactions with BIOS and Real Time Clock

Most RTC rollover issues are remedied by the PC's BIOS. Still others are remedied by the PC’s operating system.

Windows® operating systems insulate applications from most, although not all, Year 2000 rollover issues. Use the easy-to-follow steps included in this paper to check the Year 2000 readiness of your PC's RTC/BIOS and operating system. Prior to conducting Year 2000 rollover tests, Microsoft recommends that customers install the free updates for operating systems and applications t