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_DSM Property: "use-msi" & "sata-express-power-off"

_DSM use-msi sata-express-power-off

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    InsanelyMac Sage

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Method (_DSM, 4, NotSerialized)  // _DSM: Device-Specific Method
                        Store (Package (0x04)
                            }, Local0)
                        DTGP (Arg0, Arg1, Arg2, Arg3, RefOf (Local0))
                        Return (Local0)

Does anyone know, what they are for?


It's in all Haswell with SSD, Apple tables...


Something for PowerManagement, but what exactly?


I added them into my DSDT, now this properties are in ioreg, but they didn't change anything for me...

everything is working like before...


Cheers :-)



    InsanelyMac Geek

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You don't have SATA-Express, do you?



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It looks like it's probably power management for sata express. I'm not sure how you would check to see if power management is doing anything though.

Also tagged with one or more of these keywords: _DSM, use-msi, sata-express-power-off

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