MBP 5,5 supports OWC Pro 6G SSD SATA III?

My MBP 5,5 (bought it in 2009) hard drive got failure so I ordered a OWC SSD Pro 6G for replacement. I have it installed but it can't be recognized during the OS installation, and even does not show up under the Disk Utility.
However, if I put this SSD as external hard drive via USB, it works perfectly, so my answer is - does my MBP supports this SSD?
Thank you

You got a SATA II bus, but for some reason, you are only connecting at 1.5Gb/s. Try resetting your SMC and PRAM.
   Resetting the System Management Controller  >>
17" 2.2GHz i7 Quad-Core MacBook Pro  8G RAM  750G HD + OCZ Vertex 3 SSD Boot HD 
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