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Thread: my wd hdd's wrong size??




  1. #1
    Join Date
    Mar 2003
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    hi i was wondering if im the only person who experiences this problem..well if its even a problem...ok heres how it goes i have 2 wd hdd's and one is a 120 gig 7200 rpm 8mb cache and the other is a 160 gig 7200 rpm. when i go to check the size of each of the hdd's the 120 gig is only 111 gigs and the 160 is 128 gigs..anyone know what i did wrong?

  2. #2
    Join Date
    Dec 2002
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    that's mainly because your OS measures a gig as 1024 MB (1 MB = 1024 KB, ect.) and drive manufacturers measure it in steps of 1000. So a 160 GB HDD should show up as ~149 GB and a 120 GB HDD should show up as ~111 GB. Since your 160 GB HDD is the only one not showing up right I can only assume that you have an older mobo that can't surpass the 137 GB barrier. To fix it you need to either check for a bios update or get a new ata controller card.

    for future reference if you divide the box size by 1.0734 you will get the approx. value the OS will see.
    I've gone too far and need to move on!

  3. #3

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    well isnt' that kinda wrong to do that?

    I always wondered why both my 80 gigs were actually 75.

  4. #4
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    Feb 2003
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    Fincastle, IN, USA
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    Quote Originally Posted by sepherum2ya
    well isnt' that kinda wrong to do that?

    I always wondered why both my 80 gigs were actually 75.
    It makes matters easier for the HD companies, and they do state it. In order for a PC to function properly it must use 1024mb for a gig tho, as I think that has something to do with cluster sizes and such

  5. #5
    Join Date
    Nov 2003
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    right click on the HDD in My computer and go to properties
    you'll see several values there
    in Bytes, you'll see the HDD is about exactly the size you bought it for (little bit more or less)

    my 120GB lets me see 114 but when going to the properties it lets me see 122.xxx.xxx.xxx bytes :)
    Tomorrow today will be yesterday.

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  6. #6

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    well with NTFS you can get a cluster size from 512 bytes all the way up to like 4096kb per cluster.

  7. #7
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    Quote Originally Posted by amd_man2003
    It makes matters easier for the HD companies, and they do state it. In order for a PC to function properly it must use 1024mb for a gig tho, as I think that has something to do with cluster sizes and such
    If you actually understood how data was stored, or even if you can count using binary, then you'll understand.

  8. #8
    Join Date
    Jul 2003
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    I have the same problem, install new bios and everything, the bios states that it is 163gb but my microsoft states that i have 129gb. I patch everything up. I have a maxtor 160...no clue what happened there...Any ideas? :confused:
    CPU: Opteron 165 @ 311x9 - 2817.8 mhz - 1.47v
    Mobo: Abit KN8-SLI
    RAM: 2x512 Crucial Ballistic Tracers500 @ 202 mhz 2-2-2-5 T1
    GFX: Asus EAX1950pro @ 648/1408
    PSU: Thermaltake 500w
    SC: Audigy 2 zs
    LCD: 22' Samsung 225bw
    Speakers: Klipsch ProMedia 5.1 Ultra
    Mouse: Logitech G5

  9. #9
    Join Date
    Mar 2003
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    my mobo is from 2002 its a Soyo P4x400 Dragon Lite Socket 478 Motherboard is that still too old for a 160 gig hdd ? and when i go to the computer management to see the size of the 160 hdd it comes out as 131069mb.. forgive me if im bad with math but that doesnt look like 160 gigs even if its read as 1024 per gig

    if theres something for me to fix this pls post for me where i can get this fixed thanx

  10. #10
    Join Date
    Dec 2002
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    4,246

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    do you have XP's sp1?

    there is also this KB article: http://support.microsoft.com/default...b;en-us;303013
    I've gone too far and need to move on!

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