--- dsdt.dsl.orig	2019-11-18 16:53:12.994096080 +0100
+++ dsdt.dsl	2019-11-18 17:34:08.797319563 +0100
@@ -18,7 +18,7 @@
  *     Compiler ID      "1025"
  *     Compiler Version 0x00040000 (262144)
  */
-DefinitionBlock ("", "DSDT", 2, "ACRSYS", "ACRPRDCT", 0x00000003)
+DefinitionBlock ("", "DSDT", 2, "ACRSYS", "ACRPRDCT", 0x00000004)
 {
     /*
      * iASL Warning: There were 2 external control methods found during
@@ -7881,6 +7881,59 @@
             }
         }
 
+        Device (PWM1)
+        {
+            Name (_ADR, Zero)  // _ADR: Address
+            Name (_HID, "80860F09" /* Intel PWM Controller */)  // _HID: Hardware ID
+            Name (_CID, "80860F09" /* Intel PWM Controller */)  // _CID: Compatible ID
+            Name (_DDN, "Intel(R) PWM Controller #1 - 80860F08")  // _DDN: DOS Device Name
+            Name (_UID, One)  // _UID: Unique ID
+            Name (RBUF, ResourceTemplate ()
+            {
+                Memory32Fixed (ReadWrite,
+                    0x00000000,         // Address Base
+                    0x00001000,         // Address Length
+                    _Y0D)
+            })
+            Method (_CRS, 0, NotSerialized)  // _CRS: Current Resource Settings
+            {
+                CreateDWordField (RBUF, \_SB.PWM1._Y0D._BAS, B0BA)  // _BAS: Base Address
+                CreateDWordField (RBUF, \_SB.PWM1._Y0D._LEN, B0LN)  // _LEN: Length
+                B0BA = P10A /* \P10A */
+                B0LN = P10L /* \P10L */
+                Return (RBUF) /* \_SB_.PWM1.RBUF */
+            }
+
+            Method (_STA, 0, NotSerialized)  // _STA: Status
+            {
+                If (P10A == Zero)
+                {
+                    Return (Zero)
+                }
+
+                Return (0x0F)
+            }
+
+            OperationRegion (KEYS, SystemMemory, P11A, 0x0100)
+            Field (KEYS, DWordAcc, NoLock, WriteAsZeros)
+            {
+                Offset (0x84), 
+                PSAT,   32
+            }
+
+            Method (_PS3, 0, NotSerialized)  // _PS3: Power State 3
+            {
+                PSAT |= 0x03
+                Local0 = PSAT /* \_SB_.PWM1.PSAT */
+            }
+
+            Method (_PS0, 0, NotSerialized)  // _PS0: Power State 0
+            {
+                PSAT &= 0xFFFFFFFC
+                Local0 = PSAT /* \_SB_.PWM1.PSAT */
+            }
+        }
+
         Device (URT1)
         {
             Name (_ADR, Zero)  // _ADR: Address
@@ -11765,7 +11818,7 @@
                 Return (XVCD) /* \WMI0.XVCD */
             }
 
-            OperationRegion (\WMIA, SystemMemory, PMIM, 0x9000)
+            OperationRegion (WMIA, SystemMemory, PMIM, 0x9000)
             Field (WMIA, AnyAcc, NoLock, Preserve)
             {
                 WAG1,   2048, 
@@ -13045,14 +13098,10 @@
                 If ((STAS & One))
                 {
                     Local0 = One
-                    PBCG |= 0x05000000
-                    HMCG |= 0x05000000
                 }
                 Else
                 {
                     Local0 = Zero
-                    PBCG &= 0xF0FFFFFF
-                    HMCG &= 0xF0FFFFFF
                 }
 
                 ^^PCI0.GFX0.CLID = Local0