crwdns2934241:0crwdne2934241:0 Chris Green

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Most Apple laptops (Dating back to the iBook) use a capacitor backed up by the main battery to hold date, time, and NVRAM (Apple techs tend to call the data/time/nvram combo "PRAM" or Parameter RAM),  not a battery.  Apple desktops, however, use actual batteries to do this.

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