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I have never used the Marvell ports for a boot drive, some people report you can. I do use them with simple storage drives. Given what I have seen, the problem with the Marvell ports for a boot drive were either due to the Marvell driver, or user error. TRIM on the Marvell chipset and driver? A big unknown.
To install Windows on a drive on the Marvell ports, you must install a driver for it when you can during the installation. The Marvell driver has improved, and Intel supplies the so called "F6 Floppy" driver files that are used during the installation. They are put on a USB flash drive of course, not a floppy, and no need to make the flash drive bootable. You must remove that flash drive when the PC reboots during the installation. You can also use the native Windows 7 AHCI driver, msahci, which I find works well with the Marvell chipset.
I have seen cautions in some mother board manuals that you can not use Optical drives on the Marvell ports, but not always. I'm sure the Intel manual would have that information. I imagine that again that is a driver issue.
Regarding the Seagate "6Gb/s" HDDs, there is not one so called SATA 6Gb/s HDD on this planet that operates even beyond SATA 3Gb/s speed. Yes SATA II, 3Gb/s. My SATA III HDD did not surpass SATA 1.5Gb/s speeds (150MB/s) for sequential reads. It was about 20MB/s faster than my SATA II HDDs, all 7200 RPM 3.5" drives. SATA III HDDs are a marketing fraud IMO, do not waste your SATA III ports on those HDDs. Doesn't matter if they are in RAID, each drive is connected individually, and is not made faster due to RAID, it is the sum of drives working together that provide the final data rate.
Here is an AS SSD bench on one of my HDDs:
Impressive? Or embarrassing?
If you get lucky, someone will have done what you want to know works on your board. Otherwise, it is an experiment.