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Hard drive only showing 31.4 gb

by jkmoss / November 28, 2009 3:29 AM PST

I have an HP computer running xp service pack 3. I have 2 1 TB hard drives going through a raid controller and 2, 80 GB hard drives all are SATA drives and working correctly, I am trying to install an additional 120gb hard drive taken from an older machine that is a IDE style. The IDE ribbon is connected to the CD ROM drive. So I am plugging this new IDE 120gb drive into the middle slave plug in.

My problem is that in Bios the drive is recognized as 120GB but when I boot in windows when I go to format the drive it says its only 31.4 GB of available space. I have formatted this in NTFS and it still shows 31.4GB. I have tried every possible combination of jumper settings. when I change those, sometimes the drive will disappear altogether, and other combinations display 31.4 GB but none of the combinations display the full 120 GB.

What am I missing. I know the computer can recognize large drives. I know the bios see it correctly. I know it is formatted correctly. I'm lost! Any help would be great.

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I missed a detail.
by R. Proffitt Forum moderator / November 28, 2009 4:58 AM PST

I read your post twice and didn't see where you deleted the old partition, created a new big one and formatted that. All I read was you were trying to format it. Formatting alone won't create the big partition you want.

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Ok I got it
by jkmoss / November 30, 2009 1:19 AM PST
In reply to: I missed a detail.

I had tried every jumper combination except for removing the jumpers all together. after removing the jumpers i deleted the old partition and created a new one like you mentioned. Everything is working fine. Thanks

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Good to read.
by R. Proffitt Forum moderator / November 30, 2009 10:25 PM PST
In reply to: Ok I got it

Glad it was the simple thing.

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