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Wrong Disk Size On External Usb Drive

  • 14-09-2005 11:53am
    #1
    VOG
    Closed Accounts Posts: 15 ✭


    I have put a western digital 320GB drive in an external caddy and the drive is only reading as 128GB.

    A friend has a similar set up in a 250GB caddy he uses and it reads fine.

    I am running win200 with service pack 4.

    I checked the BIOS and cannot find any enable large disk support but it does read it as a usb drive of 137000MB.

    Any ideas why its only coming up as 128GB.


Comments

  • #2
    aidan_walsh
    Closed Accounts Posts: 17,208 ✭✭✭✭aidan_walsh


    What file system is the drive formatted at? FAT32? NTFS?


  • #3
    Chavster
    Closed Accounts Posts: 145 ✭✭Chavster


    Google windows + 128GB limitation


  • #4
    blorg
    Registered Users, Registered Users 2 Posts: 15,995 ✭✭✭✭blorg


    Have you made the registry changes ("EnableBigLba") outlined in this article:

    http://support.microsoft.com/kb/305098/EN-US/


  • #5
    VOG
    Closed Accounts Posts: 15 ✭VOG


    I tried NTFS first and am now trying the FAt32 its formatting at the moment

    I have tried the MS fix in the registry but it did not work


  • #6
    blorg
    Registered Users, Registered Users 2 Posts: 15,995 ✭✭✭✭blorg


    It's possible that the external caddy does not support large disks, I know I had one that didn't. I presume it is USB 2 or Firewire? Have you tried plugging the caddy into your friend's computer? That would diagnose the problem for you. You might also test by opening up your computer and plugging in the bare drive through IDE (presuming it is not a laptop of course.)

    EDIT: I don't think formatting as FAT is going to help you.


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  • #7
    Zapho
    Registered Users, Registered Users 2 Posts: 1,268 ✭✭✭Zapho


    Formating FAT definately won't help you, ntfs is designed for huge disk drives, FAT32 gets extremely unreliable and inefficient after the 60gb mark. What you could do is try partitioning the drive in 3 sections. That should work. (assuming nothing else works for you!)


  • #8
    Explosive_Cornflake
    Registered Users, Registered Users 2 Posts: 2,133 ✭✭✭Explosive_Cornflake


    Look at it with Parition magic, or the disk managment utility, and see if it tells you anything else.


  • #9
    VOG
    Closed Accounts Posts: 15 ✭VOG


    Ok so far here is what I have tried

    Updated the lateset version of win2000

    Changed the registry setting that is described above

    Tried in an barnd new XP machine

    Tried to switch the external caddys that I am using.

    A friends 250GB will read fine.

    Used particion magic and about every other tool similar to that out there.

    Downloaded the Western Digital utility from their site.

    Still no joy.

    The only other thing I can think of is to plug it directly into a ide port, just have not had time to do it yet.

    Particioning at different sizes make no difference also FAT32 of NTFS still no joy.

    Anyone else any ideas?


  • #10
    KdjaCL
    Closed Accounts Posts: 20,346 ✭✭✭✭KdjaCL


    WHat part no does the HD show up as in device manager?

    Ie WDC 2500U etc?



    kdjac


  • #11
    Zapho
    Registered Users, Registered Users 2 Posts: 1,268 ✭✭✭Zapho


    Yeah try the IDE, it could be to do with the usb interface not being able to address more than 128gb


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  • #12
    VOG
    Closed Accounts Posts: 15 ✭VOG


    Its shows as

    WDC WD 32 00JB-00KFAO USB Disk


  • #13
    calex71
    Closed Accounts Posts: 13,126 ✭✭✭✭calex71


    dispatch a case to cpq-eur-css ;-)


  • #14
    KdjaCL
    Closed Accounts Posts: 20,346 ✭✭✭✭KdjaCL


    Install Data lifegaurd run it and reformat your drive using only this software.


    kdjac


  • #15
    VOG
    Closed Accounts Posts: 15 ✭VOG


    calex71 wrote:
    dispatch a case to cpq-eur-css ;-)

    I did but they rejected it :mad:


  • #16
    VOG
    Closed Accounts Posts: 15 ✭VOG


    KdjaC wrote:
    Install Data lifegaurd run it and reformat your drive using only this software.


    kdjac

    Tried that but it still reads as 128GB


  • #17
    KdjaCL
    Closed Accounts Posts: 20,346 ✭✭✭✭KdjaCL


    VOG wrote:
    Tried that but it still reads as 128GB


    I have the same problem atm but its a 250GB in a Playstation 2 :D

    Using lifegaurd and setting it as a new install of a HD fixed it for me. But thats on XP, i think it may be 2000 related. Can you chuck it into an XP machine ?


    kdjac


  • #18
    VOG
    Closed Accounts Posts: 15 ✭VOG


    Gonna try that later on, building a new PC for someone at the moment and t will be xp pro so I will give it a go.

    Did you use a dos version of the toll or the windows one


  • #19
    blorg
    Registered Users, Registered Users 2 Posts: 15,995 ✭✭✭✭blorg


    Tried in an barnd new XP machine
    You tried this drive in the caddy on a different XP machine and it didn't work?
    Tried to switch the external caddys that I am using.
    Same brand/different brand?
    A friends 250GB will read fine.
    On your machine? That indicates there is nothing wrong with your machine.
    The only other thing I can think of is to plug it directly into a ide port, just have not had time to do it yet.
    That will give you your best indication, mind you your IDE controller will also have to support 48bit LBA.

    What make/model is the caddy you are using? USB2? Firewire? I suspect everything points to the caddy not supporting >137gb drives, if this is so anything else you are trying is a waste of your time and you need a new caddy.


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