DVD-drive only runs at 1x speed

Hi
Im having problem with my dvd-drive. It will only run at about 1x-speed. Not just when reading a DVD-movie but also when reading data DVDs.
I have tried with two diffrent dvd-drives and they work fine in my other older computer but when I use them in my new computer they will only run at 1x speed.
I have one SATA hard drive connected and the DVD-drive is connected to the primary IDE port.
DMA is activated on the DVD-drive. I have also tried to turn that off but no difference.
What can I do? Any help is appriciated!
MSI P965 Platinum
MSI GeForce 7900 GS
Intel Core2Duo 6400
RAM 1024MB

Glad you got it solved. Yes, before posting, people should try the search feature, especially now with the new improved server. But, your post is still valuable and someone may find it in their search which would lead them to the solution.
Again, glad it's working now.

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