diff --git a/machines/machinefactory.cpp b/machines/machinefactory.cpp
index 5f32166..f6b9fcc 100644
--- a/machines/machinefactory.cpp
+++ b/machines/machinefactory.cpp
@@ -81,6 +81,7 @@ static const map<string, string> PropHelp = {
     {"fdd_wr_prot",     "toggles floppy disk's write protection"},
     {"hdd_img",         "specifies path to hard disk image"},
     {"hdd_wr_prot",     "toggles hard disk's write protection"},
+    {"cdr_config",      "CD-ROM device path in [bus]:[device#] format"},
     {"cdr_img",         "specifies path to CD-ROM image"},
     {"mon_id",          "specifies which monitor to emulate"},
     {"pci_A1",          "insert a PCI device into A1 slot"},
diff --git a/machines/machineproperties.cpp b/machines/machineproperties.cpp
index e4bfe6d..8ae7d55 100644
--- a/machines/machineproperties.cpp
+++ b/machines/machineproperties.cpp
@@ -1,6 +1,6 @@
 /*
 DingusPPC - The Experimental PowerPC Macintosh emulator
-Copyright (C) 2018-22 divingkatae and maximum
+Copyright (C) 2018-23 divingkatae and maximum
                       (theweirdo)     spatium
 
 (Contact divingkatae#1017 or powermax#2286 on Discord for more info)
@@ -144,3 +144,21 @@ void BinProperty::set_string(string val)
         LOG_F(ERROR, "Invalid BinProperty value %s!", val.c_str());
     }
 }
+
+void parse_device_path(string dev_path, string& bus_id, uint32_t& dev_num) {
+    bus_id  = "";
+    dev_num = -1;
+
+    size_t delimiter_pos = dev_path.find(":");
+    if (delimiter_pos == string::npos)
+        ABORT_F("Invalid device path %s", dev_path.c_str());
+
+    bus_id = dev_path.substr(0, delimiter_pos);
+
+    try {
+        dev_num = (uint32_t)strtoul(dev_path.substr(delimiter_pos+1).c_str(), 0, 0);
+    } catch (string bad_string) {
+        ABORT_F("Invalid device number %s in device path %s", bad_string.c_str(),
+            dev_path.c_str());
+    }
+}
diff --git a/machines/machineproperties.h b/machines/machineproperties.h
index 87943f8..7805b91 100644
--- a/machines/machineproperties.h
+++ b/machines/machineproperties.h
@@ -1,6 +1,6 @@
 /*
 DingusPPC - The Experimental PowerPC Macintosh emulator
-Copyright (C) 2018-22 divingkatae and maximum
+Copyright (C) 2018-23 divingkatae and maximum
                       (theweirdo)     spatium
 
 (Contact divingkatae#1017 or powermax#2286 on Discord for more info)
@@ -189,6 +189,8 @@ private:
     int     bin_val;
 };
 
+void parse_device_path(string dev_path, string& bus_id, uint32_t& dev_num);
+
 /** Special map type for specifying machine presets. */
 typedef map<string, BasicProperty*> PropMap;
 
@@ -205,4 +207,4 @@ extern map<string, unique_ptr<BasicProperty>> gMachineSettings;
 #define GET_BIN_PROP(name) \
     dynamic_cast<BinProperty*>(gMachineSettings.at(name).get())->get_val()
 
-#endif /* MACHINE_PROPERTIES_H */
+#endif // MACHINE_PROPERTIES_H