300GB hard drive only shows... 120GBs?!?

I tried installing a 300GB seagate into my snow iMac, but realized only after installing OS 10.4 that the snow iMacs can only recognize 120GBs.
So I pulled the drive out and stuck it into an external firewire case. The thought was to try a 3 part partition of 100GBs each.
But after erasing the drive connected through an external firewire connected to my G5, I noticed the drive was still reading 120GBs. Even though I had just erased it.
I tried zeroing out the drive, the 7 pass erase, even the 35 pass, but they all fail within seconds of starting.
I even pulled out the master jumper, but still no change in the drive's size. It appears to be stuck at 120GBs.
Anyone know how I can get this thing back to 300?

Yes, any Mac that followed the new standard mentioned by this article should recognize more than 120 GB:
http://docs.info.apple.com/article.html?artnum=86178

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If I can't get it to mirror, I don't guess it matter, so if anyone has any input on that too, it would be appreciated.

Hi,
1. Convert it to GPT instead of MBR and see the result.
2. If issue still exists, it could be a hardware related issue. You could try to contact hard disk manufacturer for a firmware update which should able to resolve the issue.
A similar thread which point to Intel chipset update.
http://answers.microsoft.com/en-us/windows/forum/windows_vista-hardware/trying-to-install-and-use-a-3tb-hard-drive-but/d9258ff0-d50a-4346-bf04-a168f21b7225
If you have any feedback on our support, please send to [email protected]

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Hi,
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This question was solved.
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The following Microsoft link should help, please remember when extending a partition make sure you have a backup of all your programs and data first. There is always the chance that something could fail and with it being your primary drive you could lose everything.
This link is for Win7 but it is very similar to what you would do with Vista:
http://answers.microsoft.com/en-us/windows/forum/windows_7-performance/how-do-i-extend-the-volume-of...
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When the System and Maintenance category opens, scroll down and click on Administrative Tools.
Double-click on the Computer Management icon. The Computer Management console will now be open. Towards the bottom you will see a category called Storage and underneath that category will be the Disk Management icon as shown below.
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At this point you can close the Computer Management window as your task is complete.
Hope this information is helpful.
Let me know if this worked.
Thanks and Regards:
Umesh P - Microsoft Support
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Please mark Accept As Solution if this resolves your issue.

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Travis,
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This procedure is a diagnostic test. It makes no changes to your data.
Please triple-click anywhere in the line below on this page to select it:
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Launch the built-in Terminal application in any of the following ways:
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Me compre un ipod classic de 160gb cada vez que trato de ponerle musica de mi disco duro externo solo copia hasta 1500 canciones y luego me congela el Itune y no lo puedo cerrar, me pide que restaure el ipod como de fabrica, lo hago y nada. Trato de cerrar el programa de itune y no me deja, trato de apagar el computador y no lo puedo apagar, he buscado para ver si tiene errores el disco del Ipod y me dice que esta bien. Lo he restaurado como 8 veces y le he puesto musica y videos pero siempre me borra todo. He aplastado Menu y Seleccion para entrar al sistemade diagnostic o del ipod y le pongo el test manual donde entro al IO y me dice q todo esta bien. Le he dado ya varios Format directamente desde el Windows 7 y nada tampoco, siempre me borra todo desde que pasan mas de 1300 canciones y me congeal todo el equipo. Ya no se que pensar de esta compania Apple porque no da ninguna solucion ha este tema.
I bought a 160gb iPod classic every time I try to put music on my external hard drive only copy up to 1500 songs and then freezes Itune me and I can not close, asks me to restore the ipod as factory, and do nothing . I try to close the program and itune will not let me, I try to turn off the computer and I can not shut, I looked to see if the iPod disk errors and says it's okay. I restored it about 8 times and I've put music and videos but I always delete everything. I crushed and Selection Menu to enter diagnostic sistemade or ipod and I put the manual test where I enter the IO and q tells me everything is fine. I have already given several Format directly from the Windows 7 and anything either, I always delete everything from passing over 1300 songs and I congeal whole team. No longer have to think of this company because Apple gives no solution has this issue.

06-sep-2012 0:14
Me compre un ipod classic de 160gb cada vez que trato de ponerle musica de mi disco duro externo solo copia hasta 1500 canciones y luego me congela el Itune y no lo puedo cerrar, me pide que restaure el ipod como de fabrica, lo hago y nada. Trato de cerrar el programa de itune y no me deja, trato de apagar el computador y no lo puedo apagar, he buscado para ver si tiene errores el disco del Ipod y me dice que esta bien. Lo he restaurado como 8 veces y le he puesto musica y videos pero siempre me borra todo. He aplastado Menu y Seleccion para entrar al sistemade diagnostic o del ipod y le pongo el test manual donde entro al IO y me dice q todo esta bien. Le he dado ya varios Format directamente desde el Windows 7 y nada tampoco, siempre me borra todo desde que pasan mas de 1300 canciones y me congeal todo el equipo. Ya no se que pensar de esta compania Apple porque no da ninguna solucion ha este tema.
I bought a 160gb iPod classic every time I try to put music on my external hard drive only copy up to 1500 songs and then freezes Itune me and I can not close, asks me to restore the ipod as factory, and do nothing . I try to close the program and itune will not let me, I try to turn off the computer and I can not shut, I looked to see if the iPod disk errors and says it's okay. I restored it about 8 times and I've put music and videos but I always delete everything. I crushed and Selection Menu to enter diagnostic sistemade or ipod and I put the manual test where I enter the IO and q tells me everything is fine. I have already given several Format directly from the Windows 7 and anything either, I always delete everything from passing over 1300 songs and I congeal whole team. No longer have to think of this company because Apple gives no solution has this issue.
iPod classic, Windows 7, ME BORRA TODO Y SE CONGELA

300GB hard drive only shows... 120GBs?!?

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