Method (PTS, 1, NotSerialized)
{
    If (Arg0) {}
}

[0ACh 0172  12]           PM1A Control Block : [Generic Address Structure]
[0ACh 0172   1]                     Space ID : 01 [SystemIO]
[0ADh 0173   1]                    Bit Width : 10
[0AEh 0174   1]                   Bit Offset : 00
[0AFh 0175   1]         Encoded Access Width : 02 [Word Access:16]
[0B0h 0176   8]                      Address : 0000000000001804

Name (_S5, Package (0x04)  // _S5_: S5 System State
{
    0x07,
    Zero,
    Zero,
    Zero
})

mov ax, 3c00h
mov dx, 1804h
out dx, ax