Thanks for the acpidump.
It looks like OSI(Linux) is a NOP on this box.
so you shouldn't notice any difference between acpi_osi=Linux
and acpi_osi=!Linux.
-Len
The write to OSYS is a NOP, as it quickly gets over-written.
Looks like Acer writes the value 0x70 the (debug?) port at 0xB3,
but otherwise OSI(Linux) will have no effect on this system.
If (CondRefOf (_OSI, Local0))
{
If (_OSI ("Linux"))
{
Store (0x03E8, OSYS)
OSMI (0x70)
}
If (_OSI ("Windows 2006"))
{
Store (0x07D6, OSYS)
}
Else
{
Store (0x07D1, OSYS)
}
}
Else
{
Store (0x07D0, OSYS)
}
...
OperationRegion (SMIO, SystemIO, 0xB2, 0x02)
Field (SMIO, ByteAcc, NoLock, Preserve)
{
APMC, 8,
APMD, 8
}
...
Method (OSMI, 1, NotSerialized)
{
Store (Arg0, APMD)
Store (0xB2, APMC)
Stall (0xFF)
Stall (0xFF)
Stall (0xFF)
Stall (0xFF)
Stall (0xFF)
Stall (0xFF)
}
-
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