Hard drive help

Maxtor Diamondmax plus 9 hard drive - 16...
July 14, 2010 at 13:54:25
Specs: Windows XP
I have a used 160 GB hard drive that was given to me. I installed it as a slave and it said to format drive so I did. Now it shows up as a 32 GB drive after formating. What can I do to get back to the 160 GB????????????
I am running Windows XP. Help please

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July 14, 2010 at 14:05:11
You need to format it as ntfs. If you used fat 32 , that's why.

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July 14, 2010 at 14:51:40
Watch the POST screens at start up to verify the 160GB is being properly identified by the BIOS for both the drive model and for the FULL drive capacity.

If so, then the response by grasshopper may be your issue. If not, then the drive may have a jumper set to throttle the capacity to 32GB for some reason.

A third possibility is that the drive is partially broken and that is all that is left. If that is the case the drive may only show as a 32GB drive in the BIOS.

Before tossing the drive in the case, I suggest you download a drive fitness test from the manufacturer of the drive to see if the drive passes.

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July 14, 2010 at 16:06:45
"You need to format it as ntfs. If you used fat 32 , that's why."

Several things wrong with that logic.

FAT32 partitioning does not have a 32 gb limit, but Windows 2000 and up does for using FAT32 if it's what's doing the partitioning.

If 2000 or XP detects the hard drive or hard drive partition is larger than exactly 32gb, it does not allow you to use FAT32.

The default is that it uses NTFS, if the hard drive or partition is above a certain small size ( 4gb ?) , but FAT32 is available as a choice if it's exactly 32gb or smaller and > 2gb - you can select FAT32 in 2000 or XP in that situation.

You can use FAT32 on any hard drive size or partition size > 2gb - if it's made that way with something other than 2000 or XP, if it's >32 gb , XP will still recognize it fine.

I'm assuming your mboard was made in 2001 or so or later and does not have a 128 gb binary drive size limit, and that your XP installation has at least SP1 updates installed in it.
Or if you used an XP CD to format the partition, that it has at least SP1 updates built in.
(If the bios has a 128 gb binary limit, it will detect a 160gb manufacturer's size drive as 128 gb binary, or 137gb decimal. XP with no SP updates has a 128 gb binary drive size limit.)

Make sure the CLJ jumper has not been installed:

If it has been installed, the mboard's bios will see the drive size as ~32gb binary - remove it, then delete the existing partition, make a new one, in Disk Management in Windows.

If the CLJ hasn't been installed, the bios should see the full size of the drive, - IF the bios has the drive detection set to Auto by the method Auto or LBA - it's usually detected as it's binary size in the bios, it's ALWAYS detected as it's binary size in Windows.
~160 gb decimal size (manufacturer's size) = ~149 gb binary
It should show ~149 gb as the size of the whole drive in Disk Management in Windows.

If it DOES show the ~149 gb as the size of the whole drive in Disk Management in Windows, then......

If the partition was already made a 32gb size but had not been formatted, Windows in My Computer or Windows Explorer would have just formatted the existing partition without software partitioning the whole drive first - it's still going to be the same size, minus the space the formatting used up., and that's the size you'll see in My Computer or Windows Explorer - you would see in Disk Management that the rest of the drive is unallocated.

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July 17, 2010 at 04:20:00
Thanks to all. Your comments helped. All I did was Delete the partitions and then set a new partition and then formated the drive and it works OK. On the 2nd 160 HD I tried the same thing however it will not complete the format.

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July 17, 2010 at 04:45:21
Download the drive fitness test designed for your drive from the manufacturer's site as I suggested in #2 above.

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