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Hard-drive capacity

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Name: Chunko
Date: August 26, 2003 at 14:48:04 Pacific
OS: Windows XP Home
CPU/Ram: Pentium2.4/768PC2700
Comment:

I have a Seagate 80 gig hd and have it partitioned to C&D.
I'm just wondering if it is normal for some hard-drives to have a couple gigs more or less capacity-wise.
I ask because if I check my drives' capacity, drive C is listed as 69gigs and D is listed as 5 gigs (74.9 total).
Is this normal?
Thanks



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Response Number 1
Name: www
Date: August 26, 2003 at 14:57:44 Pacific
Reply:

yes if you right click your c: and d: and add
up the bytes listed, it is over
80,000,000 bytes and windows reports it as 74.9
i think it was explained as decimal versus binary.


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Response Number 2
Name: here it is
Date: August 26, 2003 at 15:02:00 Pacific
Reply:

Frequently Asked Questions

Q: Why is there a discrepancy between the reported capacity and the actual capacity of my hard disk?

A: The reported size is determined by a calculation performed in Windows®.
For example, a hard drive is sold as a 2.1GB hard drive. Windows 95, Windows 98, and Windows NT report this hard drive as 1.99GB using the hard drive properties in My Computer. The software calculates a result of 1.99GB by dividing 1,073,741,824 (number of bytes in a Gigabyte) into the number of bytes on the drive:

2,146,467,840 (2.1GB) / 1,073,741,824 (Number of bytes in a gigabyte) = 1.999053955078125 (1.99GB)

The actual number of bytes is 2,146,467,840.
The actual number of gigabytes is 1.99.

Hard drive manufacturers identify their drives using the number of bytes versus the actual number of gigabytes; thus, bytes in billions is 2.146, which is where the 2.1GB capacity is determined. information based on binary and decimal values of commonly used measurements.


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Response Number 3
Name: Scruff
Date: August 26, 2003 at 15:02:06 Pacific
Reply:

Yes Chunko, this is normal. A gigabyte is 1024mb's. For some reason, hard drive manufacturers advertise drive size using a gigabyte = 1000mb's.


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Response Number 4
Name: Chunko
Date: August 26, 2003 at 15:29:35 Pacific
Reply:

Thank you.
(:


0

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