diff --git a/BizHawk.Client.EmuHawk/CoreFeatureAnalysis.cs b/BizHawk.Client.EmuHawk/CoreFeatureAnalysis.cs
index 8ddfc9542c..f92d5e6417 100644
--- a/BizHawk.Client.EmuHawk/CoreFeatureAnalysis.cs
+++ b/BizHawk.Client.EmuHawk/CoreFeatureAnalysis.cs
@@ -169,19 +169,19 @@ namespace BizHawk.Client.EmuHawk
 				.GetTypes()
 				.Where(t => typeof(IEmulatorService).IsAssignableFrom(t))
 				.Where(t => t != typeof(IEmulatorService))
-				.Where(t => t.IsInterface)
-				.Select(t => t.ToString());
+				.Where(t => t.IsInterface);
 
 			var additionalServices = knownServies
-				.Where(s => !ci.Services.ContainsKey(s))
-				.Where(s => !ci.NotApplicableTypes.Contains(s));
+				.Where(t => !ci.Services.ContainsKey(t.ToString()))
+				.Where(t => !ci.NotApplicableTypes.Contains(t.ToString()))
+				.Where(t => !typeof(ISpecializedEmulatorService).IsAssignableFrom(t)); // We don't want to show these as unimplemented, they aren't expected services
 
-			foreach (string servicename in additionalServices)
+			foreach (Type service in additionalServices)
 			{
 				string img = "Bad";
 				var serviceNode = new TreeNode
 				{
-					Text = servicename,
+					Text = service.ToString(),
 					ForeColor = Color.Red,
 					ImageKey = img,
 					SelectedImageKey = img,
diff --git a/BizHawk.Emulation.Common/Interfaces/IEmulatorService.cs b/BizHawk.Emulation.Common/Interfaces/IEmulatorService.cs
index 5de00c7d3b..0b9dd2fc44 100644
--- a/BizHawk.Emulation.Common/Interfaces/IEmulatorService.cs
+++ b/BizHawk.Emulation.Common/Interfaces/IEmulatorService.cs
@@ -22,6 +22,14 @@ namespace BizHawk.Emulation.Common
 		public FeatureNotImplemented() { }
 	}
 
+	/// <summary>
+	/// This represents a service that would not apply to every core, instead it is a specialized service specific to a core or group of cores
+	/// This service is merely intended to define semantics and expectations of a service
+	/// </summary>
+	public interface ISpecializedEmulatorService : IEmulatorService
+	{
+	}
+
 	[AttributeUsage(AttributeTargets.Class)]
 	public class ServiceNotApplicable : Attribute
 	{
diff --git a/BizHawk.Emulation.Common/Interfaces/ILinkable.cs b/BizHawk.Emulation.Common/Interfaces/ILinkable.cs
new file mode 100644
index 0000000000..a2e9f3e8d3
--- /dev/null
+++ b/BizHawk.Emulation.Common/Interfaces/ILinkable.cs
@@ -0,0 +1,10 @@
+namespace BizHawk.Emulation.Common
+{
+	public interface ILinkable : ISpecializedEmulatorService
+	{
+		/// <summary>
+		/// Whether or not the link cable is currently connected
+		/// </summary>
+		bool LinkConnected { get; }
+	}
+}