Help with Marvell 9128 stuck at SATA1 speed?!

Have Crucial m4 SSD connected to Marvell 9128 SATA3 controller on Gigabyte P55A-UD4P rev2.

Originally had Marvell configured for SATA2, I believe because I had the USB 3.0 enabled (which can't work at the same time?)

Turned off USB 3.0, and Marvell confirmed "5.0Gb" in BIOS.

Updated Windows 7 x64 driver to v1.2.0.1027, and name is "Marvell 91xx SATA 6G Controller."

So here's the problem:

I'm getting a max of 120MB/sec from ATTO Disk Benchmark! :sleep:
I was getting the same max when the controller was set to 2.5Gbps.

So is it stuck in SATA1 mode somehow?

Thanks in advance!

Stephen
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More about help marvell 9128 stuck sata1 speed
  1. SOLVED!

    This MB appears to be buggy, either that or the Marvell chip.

    I moved the SSD to another machine (a laptop) with a SATA3 controller, and it clocked in at 240MB/sec write and 445MB/sec read.

    I'll invest in a new motherboard.

    Thanks!

    Stephen
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