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  1. #1
    Star Lounger
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    160gig in BIOS but W2k shows only 131gig?

    Hi All,

    I've been reading the posts trying to understand if I have done something wrong or if I am missing something...

    I am setting up a new PC with a 160gig SATA drive. (NTFS format) When I boot the PC and go through the windows 2k installation when it comes to the partition information the disk space only show as 131gig available. As there are 2 of these 160g drives in the PC I continued to install windows an ended up with 137gig as the drive capacity.

    The BOIS picks up both drives as 160gig ok. I am trying to understand why? Is there a limitation on the max drive size? I have an identical PC with 2x120gig drives which it picks up fine as 120gig... hence am puzzled as to why it has only used 137gig of the 160gig available.

    Any help very much appreciated...
    Thanks
    Tony

  2. #2
    Star Lounger
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    Re: 160gig in BIOS but W2k shows only 131gig?

    (Edited by Leif to make link live - see the quick guide)

    RESOLVED.. and the stubborn always find what they seek...

    MSKB 305098: 48-Bit LBA Support for ATAPI Disk Drives in Windows 2000

    "Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article. This problem was first corrected in Windows 2000 Service Pack 3. Important Although support for 48-bit LBA is included in Windows 2000 Service Pack 3 (SP3) and later, it is still necessary to create the registry change that is described in the "Resolution" section of this article...."

    A hard disk that has a capacity of greater than 137 gigabytes (GB) requires you to enable the support in the Windows registry (see above article)

    I was installing SP3 and it still hit this limited so I have had to edit the registry. I checked the drive manufacture's site and same thing applies. If your BIOS can read the drive then windows needs to be 'tweaked' to be able to use it...

  3. #3
    Plutonium Lounger Leif's Avatar
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    Re: 160gig in BIOS but W2k shows only 131gig?

    Thanks for posting back your solution <img src=/S/thumbup.gif border=0 alt=thumbup width=15 height=15>

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