4 ms·
What were the AA batteries for? Do you know why the card wasn't powered with the rest of the system?
by scintill76 12y ago
What were the AA batteries for? Do you know why the card wasn't powered with the rest of the system?
- icelancer 12y agoI actually don't, and I can't find a damn thing about it on Google. Weird.
- edmccard 12y ago>What were the AA batteries for? Some motherboards from the 286 era used 4 AAs as the CMOS backup battery.
- yuhong 12y agoTo 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.