3 ms·
To be more precise, it was common with motherboards that used the MC146818 RTC chip used in the original PC/AT. The four AAs provided a total of 6V of power.
by yuhong 12y ago
To be more precise, it was common with motherboards that used the MC146818 RTC chip used in the original PC/AT. The four AAs provided a total of 6V of power.