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Primary Storage traditionally was referred to as your "C:" drive or your primary hard drive. Today a common practice is to split single hard drive into several storage areas using a virtual container call a partition. A single Hard drive can have multiple partitions, a primary partition and multiple secondaries. Each haveing there own drive letter ex: C:, D: & E: could call be on the same physical drive.

Your CMOS (complimentary Metal Oxide Semiconductor) settings need to know the primary drive so the PC can find the "boot" or "system files" to load the operating system.

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13y ago

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