diff --git a/source/Cosmos.Core/CPU.cs b/source/Cosmos.Core/CPU.cs
index 13a1c1a88..5f9f7ea77 100644
--- a/source/Cosmos.Core/CPU.cs
+++ b/source/Cosmos.Core/CPU.cs
@@ -3,32 +3,59 @@ using IL2CPU.API.Attribs;
 namespace Cosmos.Core
 {
     // Non hardware class, only used by core and hardware drivers for ports etc.
+    /// <summary>
+    /// CPU class. Non hardware class, only used by core and hardware drivers for ports etc.
+    /// </summary>
     public class CPU
     {
         // Amount of RAM in MB's.
         // needs to be static, as Heap needs it before we can instantiate objects
+        /// <summary>
+        /// Get amount of RAM in MB's. Plugged.
+        /// </summary>
         [PlugMethod(PlugRequired = true)]
         public static uint GetAmountOfRAM() => throw null;
 
         // needs to be static, as Heap needs it before we can instantiate objects
+        /// <summary>
+        /// Get end of the kernel. Plugged.
+        /// </summary>
         [PlugMethod(PlugRequired = true)]
         public static uint GetEndOfKernel() => throw null;
 
+        /// <summary>
+        /// Update IDT. Plugged.
+        /// </summary>
         [PlugMethod(PlugRequired = true)]
         public void UpdateIDT(bool aEnableInterruptsImmediately) => throw null;
 
+        /// <summary>
+        /// Init float. Plugged.
+        /// </summary>
         [PlugMethod(PlugRequired = true)]
         public void InitFloat() => throw null;
 
+        /// <summary>
+        /// Init SSE. Plugged.
+        /// </summary>
         [PlugMethod(PlugRequired = true)]
         public void InitSSE() => throw null;
 
+        /// <summary>
+        /// Zero fill. Plugged.
+        /// </summary>
         [PlugMethod(PlugRequired = true)]
         public static void ZeroFill(uint aStartAddress, uint aLength) => throw null;
 
+        /// <summary>
+        /// Hult the CPU. Plugged.
+        /// </summary>
         [PlugMethod(PlugRequired = true)]
         public void Halt() => throw null;
 
+        /// <summary>
+        /// Reboot the CPU.
+        /// </summary>
         public void Reboot()
         {
             // Disable all interrupts
@@ -42,15 +69,27 @@ namespace Cosmos.Core
             Halt(); // If it didn't work, Halt the CPU
         }
 
+        /// <summary>
+        /// Enable interrupts. Plugged.
+        /// </summary>
         [PlugMethod(PlugRequired = true)]
         private static void DoEnableInterrupts() => throw null;
 
+        /// <summary>
+        /// Disable interrupts. Plugged.
+        /// </summary>
         [PlugMethod(PlugRequired = true)]
         private static void DoDisableInterrupts() => throw null;
 
+        /// <summary>
+        /// Check if interrupts enabled.
+        /// </summary>
         [AsmMarker(AsmMarker.Type.Processor_IntsEnabled)]
         public static bool mInterruptsEnabled;
 
+        /// <summary>
+        /// Enable interrupts.
+        /// </summary>
         public static void EnableInterrupts()
         {
             mInterruptsEnabled = true;
@@ -58,9 +97,9 @@ namespace Cosmos.Core
         }
 
         /// <summary>
-        /// Returns if the interrupts were actually enabled
+        /// Returns if the interrupts were actually enabled.
         /// </summary>
-        /// <returns></returns>
+        /// <returns>bool value.</returns>
         public static bool DisableInterrupts()
         {
             DoDisableInterrupts();