CMOS: Difference between revisions
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→Century Register As Time and Date Sanity Check
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Essentially; the method (described above) for guessing the century when there is no century register is much more reliable than the CMOS/RTC century register (if it exists). This means that the century register (if/when present) can be used in reverse, as a way to check if the CMOS/RTC time and date are sane (or if the CMOS/RTC has a flat battery or something).
Basically, you'd guess the century (based on the software's release
=== Weekday Register ===
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