Q: How to know if mobo SATA supports port Multiplier?

[stevech]

Q: How to know if mobo SATA supports a port Multiplier?

Determine from reading spec sheet or user manual?

 

[claykin]

This may help. Look in the PMP column and be sure to read notes.

https://ata.wiki.kernel.org/index.php/SATA_hardware_features

I suspect BIOS support is also required.

 

[stevech]

Thanks. Studying.
Somehow, I thought it would be a simple spec in the mobo vendor docs.
looking at Nvidia Nforce430