Hard drive partitions

  Martin12 21:14 27 Mar 10

I have a 500Gb hard drive, however when it was foramtted it only had 131GB.

It now has XP SP3 installed, can I add the "unallocated" space?

  ubuntu1user1jb 21:20 27 Mar 10

yes you can add the space to it

this is the free program to do it

click here

  Martin12 11:51 28 Mar 10

Thanks, I have used your link and downloaded the software and now its problem solved.

It appears that about 4-5Gb has "disappeared" with the process, but with 500Gb drive - I will comes to terms with it!!


  Fruit Bat /\0/\ 11:58 28 Mar 10

4-5Gb has "disappeared" with the process,

This has to do with the way nearly every hard drive manufacturer in existence calculates hard drive size. They all define 1 gigabyte = 1,000,000,000 bytes instead of the 1 gigabyte = 1,073,741,824 bytes which it *really* is.

This is called "binary" vs "decimal" sizes. If you look at the *fine print* you will always see "[Company X] defines 1 gigabyte as 1 billion bytes". This is standard industry practice, unfortunately were a drive manufacturer (Western Digital for example) to be *honest* about this then their drives as advertised would all appear smaller than the competitors, when in fact they would not be. Shoppers would be comparing "apples to oranges" rather than "apples to apples".

Put another way in reality your hard drive is 6400 million bytes rather than 6400 megabytes. A 6.4 GB drive is actually closer to a 6 GB drive when viewed from a *real world* standpoint.

  bremner 12:04 28 Mar 10

A 500GB hard drive will format to 465GB for the reasons Fruit Bat had described.

250 GB = 233GB
1TB = 931GB

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