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G530の取扱説明書・マニュアル [全162ページ 6.18MB]

Explanation of hard disk capacityDear user,While using your computer, you may discover that the nominal hard disk capacity indicated is somewhat different from the disk capacity displayed by the operating system. For example, a nominal 80GB hard disk will appear as less than 80GB in the operating system. This discrepancy is not an error in hard disk installation nor any other problem, but a normal phenomenon of computers. This phenomenon is primarily due to the following reasons:I. Different standards used by the manufacturer and operatingsystem when calculating hard disk capacityHard disk manufacturers use a radix of 1000, i.e. 1G = 1,000MB, 1MB =1,000KB, 1KB = 1,000 bytes. However, when identifying hard disk capacity,operating systems use a radix of 1024, i.e. 1GB = 1,024MB, 1MB = 1,024KB,1KB = 1,024 bytes. The standard adopted by your computer is that of thehard disk manufacturers. Since the standards adopted by the hard diskmanufacturer and operating system ar e different, the hard disk capacitydisplayed by the operating system will be different from the nominal harddisk capacity.For example, if the hard disk is nominally X G, even when it is completelyempty, the capacity displayed by the operating system will be:X * 1000 * 1000 * 1000/ (1024 * 1024 * 1024) ≈ X * 0.931 G

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