diff --git a/OSBindings/Mac/Clock Signal/Machine/StaticAnalyser/CSStaticAnalyser.h b/OSBindings/Mac/Clock Signal/Machine/StaticAnalyser/CSStaticAnalyser.h
index 0903d3d79..e15df8de6 100644
--- a/OSBindings/Mac/Clock Signal/Machine/StaticAnalyser/CSStaticAnalyser.h	
+++ b/OSBindings/Mac/Clock Signal/Machine/StaticAnalyser/CSStaticAnalyser.h	
@@ -50,7 +50,8 @@ typedef NS_ENUM(NSInteger, CSMachineOricDiskInterface) {
 	CSMachineOricDiskInterfaceNone,
 	CSMachineOricDiskInterfaceMicrodisc,
 	CSMachineOricDiskInterfacePravetz,
-	CSMachineOricDiskInterfaceJasmin
+	CSMachineOricDiskInterfaceJasmin,
+	CSMachineOricDiskInterfaceBD500
 };
 
 typedef NS_ENUM(NSInteger, CSMachineVic20Region) {
diff --git a/OSBindings/Mac/Clock Signal/Machine/StaticAnalyser/CSStaticAnalyser.mm b/OSBindings/Mac/Clock Signal/Machine/StaticAnalyser/CSStaticAnalyser.mm
index 05573be49..160ae61fd 100644
--- a/OSBindings/Mac/Clock Signal/Machine/StaticAnalyser/CSStaticAnalyser.mm	
+++ b/OSBindings/Mac/Clock Signal/Machine/StaticAnalyser/CSStaticAnalyser.mm	
@@ -103,6 +103,7 @@
 			case CSMachineOricDiskInterfaceMicrodisc:	target->disk_interface = Target::DiskInterface::Microdisc;	break;
 			case CSMachineOricDiskInterfacePravetz:		target->disk_interface = Target::DiskInterface::Pravetz;	break;
 			case CSMachineOricDiskInterfaceJasmin:		target->disk_interface = Target::DiskInterface::Jasmin;		break;
+			case CSMachineOricDiskInterfaceBD500:		target->disk_interface = Target::DiskInterface::BD500;		break;
 		}
 		_targets.push_back(std::move(target));
 	}
diff --git a/OSBindings/Mac/Clock Signal/MachinePicker/Base.lproj/MachinePicker.xib b/OSBindings/Mac/Clock Signal/MachinePicker/Base.lproj/MachinePicker.xib
index 186f3f21d..17a8a49e4 100644
--- a/OSBindings/Mac/Clock Signal/MachinePicker/Base.lproj/MachinePicker.xib	
+++ b/OSBindings/Mac/Clock Signal/MachinePicker/Base.lproj/MachinePicker.xib	
@@ -331,7 +331,7 @@ Gw
                                             </popUpButtonCell>
                                         </popUpButton>
                                         <popUpButton verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="fYL-p6-wyn">
-                                            <rect key="frame" x="111" y="36" width="97" height="25"/>
+                                            <rect key="frame" x="111" y="36" width="129" height="25"/>
                                             <popUpButtonCell key="cell" type="push" title="None" bezelStyle="rounded" alignment="left" lineBreakMode="truncatingTail" state="on" borderStyle="borderAndBezel" imageScaling="proportionallyDown" inset="2" selectedItem="XhK-Jh-oTW" id="aYb-m1-H9X">
                                                 <behavior key="behavior" lightByBackground="YES" lightByGray="YES"/>
                                                 <font key="font" metaFont="system"/>
@@ -341,6 +341,7 @@ Gw
                                                         <menuItem title="Microdisc" tag="1" id="1jS-Lz-FRj"/>
                                                         <menuItem title="Jasmin" tag="3" id="CGU-gd-xov"/>
                                                         <menuItem title="8DOS" tag="2" id="edb-fl-C8Y"/>
+                                                        <menuItem title="Byte Drive 500" tag="4" id="lkS-Rr-m1D"/>
                                                     </items>
                                                 </menu>
                                             </popUpButtonCell>
diff --git a/OSBindings/Mac/Clock Signal/MachinePicker/MachinePicker.swift b/OSBindings/Mac/Clock Signal/MachinePicker/MachinePicker.swift
index f63ddc5c4..30977db28 100644
--- a/OSBindings/Mac/Clock Signal/MachinePicker/MachinePicker.swift	
+++ b/OSBindings/Mac/Clock Signal/MachinePicker/MachinePicker.swift	
@@ -196,6 +196,7 @@ class MachinePicker: NSObject {
 					case 1:		diskInterface = .microdisc
 					case 2:		diskInterface = .pravetz
 					case 3:		diskInterface = .jasmin
+					case 4:		diskInterface = .BD500
 					default:	break;
 
 				}