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On my motherboard 4 SATA drives work but the 4 others don't

On my motherboard 4 SATA drives work but the 4 others don't

I have this motherboard Intel® Desktop Board D975XBX2, for which here is the manual .

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Guest [Entry]

"Only the 4 first SATA ports (managed by the ICH7DH) are natively supported in the BIOS and can be used for boot devices.

The 4 ones connected to the Marvell RAID controller require a driver to work. This means they'll be reachable only when an operating system (you don't specifiy which one you use) loads the required driver."