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External Hard Drive Upgrade

Last response: in Storage
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March 12, 2007 4:36:00 PM

I have a Western Digital WD1200B005-RNN enclosure. I tooke the WD1200BB 120GB hard drive out and put a Western Digital WD3200JB 320GB hard drive in to try to upgrade it.

Windows will only register 128GB of space on the drive. I can only assume this is limitations due to what little hardware is in the enclosure.

Is anyone familiar with a way, program or even messing w/ the enclosure itself, to change the enclosure to allow the hard drive to be bigger than 128GB?
March 12, 2007 5:11:06 PM

Yes. I even hooked the hard drive up directly to the PC and it shows up correctly as a 300,000,000 byte, 320GB hard drive.

Sorry I forgot to mention that.
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March 12, 2007 5:15:44 PM

I now have a theory. I think the enclosure has a chip inside that only allows for FAT32 File system and therefore only allows for 128GB or "127.53 gigabytes" according to Wikipedia. Anyone able to confirm or deny this?
a b G Storage
March 12, 2007 5:51:04 PM

Like he said, the enclosure may be limited to 128 GB drives, because that is the limit of the chip.
a c 362 G Storage
March 12, 2007 7:39:54 PM

That is possible. 48-bit LBA support necessary to recognize over 137GB came later, and some earlier enclosures did not have it. See if the WD website can confirm this in the unit's specs.
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