Hi, I have a 160GB HDD, i have partitioned it into 4 drives with 40 GB each, however of late one of my drives that i call F (of the C, D, E, F) shows Total size 31.8 where as it should be 40 or perhaps 39.06 as the others show. I regularly (once in 2 months) format my C drive, however i did format my F drive to see if that would help, no change. can some body help me with this? My system config - intel core2 duo, 4400@2GHz, 3GB RAM, 512MB Nvidia Graphics card, WinXP- SP2. Please help!

I regularly (once in 2 months) format my C driveWhat on earth for. I only find the need once every three years or so and them only when I am bored and have nothing better to do.

This is normal behaviour. The quoted figure of 160 Mbs is not an exact figure due to the difference in the way the manufactures calculates disk space and the way the computer calculates it. The difference between decimal arithmetic and binary arithmetic.

To the manufacture 1 Gb is 1000 Mbs. As far as the computer is concerned 1gb = 1024 Mgbs. The manufactures use their method as it makes the disk look slightly bigger than it really is. The computer is the more accurate figure.

Stuart

Easy way to calculate size is to take the manufactures number and multiply by 93%. 160*.93=149GB. If you take your other three drives at 39.06GB each, times 3 = 117.18GB. Now add the remaining drive (31.8GB) and you get 148.98GB. This is the formatted size of your 160 G hard drive. There is nothing wrong with the numbers. You have fallen victim to the difference of what the manufacturer says the size is and what your OS calculates it as. See the post above. It is accurate.

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