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Sata3 HDD on Sata2 Controller

Last response: in Storage
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September 23, 2011 7:47:50 PM

Hi there, I got a problem which is driving me crazy..

I just got a new WD 500GB Caviar Black Sata3 HDD and plugged it on my Gigabyte MA790GP-UD4H 's Sata2 controller..
Now the problem is that the raid controller recognize the disk as Sata1 (1.5Gbps)...
Then I tried a couple of jumpers from a very old disk to short-circuit the 5 and 6 pins to limit down the HDD to Sata2 (3Gbps) as the HDD indicates but to find out that this doesn't work either..
The mobo's latest bios version is installed, and I even tried different cables onto different ports to no avail..

I'm desperate at the moment and I would be thankfull for any tips or advices that you can give me..
I've waited this HDD for almost a month...


Thanks in advance.
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September 24, 2011 10:19:07 PM

Btw, I did a quick installation and ran a test with CrystalDiskMark.

Raid 0
1x WD Caviar Black 500GB Sata2 recognized as Sata2(3Gbps)
1x WD Caviar Black 500GB Sata3 recognized as Sata1(1.5Gbps)










*For an unknown reason I couldn't edit my previous post oO
a c 272 G Storage
September 24, 2011 10:53:54 PM

Sorry, I should have read your post more closely.

Your results are indeed strange. I'm wondering whether there is a firmware problem at the drive end.

That said, I doubt that you would notice any performance degradation, at least not in the sustained data transfer rate.
!