Switchable Graphics Info
PowerXpress - AMD Switchable - Nvidia (Optimus = MUXless)
Optimus Reverse Engineering
On card copy engine - TODO
ACPI methods
WMI Method used to switch MUX
WMMX Method
GUID: {F6CB5C3C-9CAE-4EBD-B577-931EA32A2CC0}
Function MXDS: display switch (on Lenovo arg1 = 0x10 - IGD, else DIS
Function MXMX:
Function _DOD:
Function _DCS:
Function _ROM:
_DSM Method
DSM UUID {0xA0, 0xA0, 0x95, 0x9D, 0x60, 0x00, 0x48, 0x4D,
- 0xB3, 0x4D, 0x7E, 0x5F, 0xEA, 0x12, 0x9F, 0xD4}
Method 2 : Optional LED control
Method 3 : Power control, Power on/off DGPU
Method 6 : returns an ACPI output table