diff --git a/tools/projmgr/include/ProjMgrParser.h b/tools/projmgr/include/ProjMgrParser.h
index d8cebae2b..3758a6473 100644
--- a/tools/projmgr/include/ProjMgrParser.h
+++ b/tools/projmgr/include/ProjMgrParser.h
@@ -166,6 +166,7 @@ struct DebuggerItem {
  *        type specifies an explicit file type
  *        load mode
  *        load offset
+ *        processor name associated with specified image
 */
 struct ImageItem {
   std::string context;
@@ -174,6 +175,7 @@ struct ImageItem {
   std::string type;
   std::string load;
   std::string offset;
+  std::string pname;
 };
 
 /**
diff --git a/tools/projmgr/schemas/common.schema.json b/tools/projmgr/schemas/common.schema.json
index bc6b88b54..36b72f59e 100644
--- a/tools/projmgr/schemas/common.schema.json
+++ b/tools/projmgr/schemas/common.schema.json
@@ -222,7 +222,13 @@
       "title": "device:\nDocumentation: https://open-cmsis-pack.github.io/cmsis-toolbox/YML-Input-Format/#device",
       "type": "string",
       "pattern": "^(([ -9;-~]+::)?[ -9;-~]+)?(:[ -9;-~]+)?$",
-      "description": "Unique device name. Overrules default board device setting.\nA unique processor ID is reqiured for devices with multiple processors.\nExample: STMicroelectronics::STM32H735IGK"
+      "description": "Unique device name. Overrules default board device setting.\nA unique processor ID is required for devices with multiple processors.\nExample: STMicroelectronics::STM32H735IGK"
+    },
+    "ProcessorNameType": {
+      "title": "device:\nDocumentation: https://open-cmsis-pack.github.io/cmsis-toolbox/YML-Input-Format/#device",
+      "type": "string",
+      "pattern": "^:[ -9;-~]+$",
+      "description": "Unique processor ID.\nFormat :pname (see device name convention).\nExample: :cm0plus"
     },
     "BoardType": {
       "title": "board:\nDocumentation: https://open-cmsis-pack.github.io/cmsis-toolbox/YML-Input-Format/#board",
@@ -2367,11 +2373,12 @@
         "info":            { "type": "string", "description": "Brief description of the image file." },
         "type":            { "enum": [ "elf", "hex", "bin", "lib" ], "description": "Specifies an explicit image type." },
         "load":            { "$ref": "#/definitions/TargetSetLoadType" },
-        "load-offset":     { "type": "number", "description": "Offset applied to the binary content when loading the image file." }
+        "load-offset":     { "type": "number", "description": "Offset applied to the binary content when loading the image file." },
+        "device":          { "$ref": "#/definitions/ProcessorNameType" }
       },
       "additionalProperties": false,
       "oneOf": [
-        { "required": ["project-context"], "not": {"required": ["image", "type"]} },
+        { "required": ["project-context"], "not": {"required": ["image", "type", "device"]} },
         { "required": ["image"], "not": {"required": ["project-context"]} }
       ]
     },
diff --git a/tools/projmgr/src/ProjMgrRunDebug.cpp b/tools/projmgr/src/ProjMgrRunDebug.cpp
index 7d10bd842..b20f17363 100644
--- a/tools/projmgr/src/ProjMgrRunDebug.cpp
+++ b/tools/projmgr/src/ProjMgrRunDebug.cpp
@@ -242,7 +242,7 @@ bool ProjMgrRunDebug::CollectSettings(const vector<ContextItem*>& contexts, cons
       item.load = item.type == RteConstants::OUTPUT_TYPE_ELF ? LOAD_IMAGE_SYMBOLS :
         item.type == RteConstants::OUTPUT_TYPE_LIB ? LOAD_NONE : LOAD_IMAGE;
     }
-    m_runDebug.outputs.push_back({ item.image, item.info, item.type, item.load, item.offset });
+    m_runDebug.outputs.push_back({ item.image, item.info, item.type, item.load, item.offset, item.pname });
   }
 
   // debug vars
diff --git a/tools/projmgr/src/ProjMgrWorker.cpp b/tools/projmgr/src/ProjMgrWorker.cpp
index 2f495b6b3..0389caf17 100644
--- a/tools/projmgr/src/ProjMgrWorker.cpp
+++ b/tools/projmgr/src/ProjMgrWorker.cpp
@@ -1413,7 +1413,7 @@ bool ProjMgrWorker::ProcessDevice(ContextItem& context, BoardOrDevice process) {
     if (!deviceItem.pname.empty()) {
       ProjMgrLogger::Get().Error("processor name '" + deviceItem.pname + "' was not found", context.name);
       return false;
-    } else if (!HasVarDefineError() && process != BoardOrDevice::SkipProcessor) {
+    } else if (!HasVarDefineError() && process != BoardOrDevice::SkipProcessor && !context.imageOnly) {
       string msg = "one of the following processors must be specified:";
       const auto& processors = matchedDevice->GetProcessors();
       for (const auto& p : processors) {
diff --git a/tools/projmgr/src/ProjMgrYamlParser.cpp b/tools/projmgr/src/ProjMgrYamlParser.cpp
index 20252612a..e1ee16adf 100644
--- a/tools/projmgr/src/ProjMgrYamlParser.cpp
+++ b/tools/projmgr/src/ProjMgrYamlParser.cpp
@@ -1065,6 +1065,8 @@ void ProjMgrYamlParser::ParseImages(const YAML::Node& parent, const string& file
       ParseString(imagesEntry, YAML_INFO, imageItem.info);
       ParseString(imagesEntry, YAML_TYPE, imageItem.type);
       ParseString(imagesEntry, YAML_LOAD, imageItem.load);
+      ParseString(imagesEntry, YAML_DEVICE, imageItem.pname);
+      imageItem.pname = RteUtils::ExtractSuffix(imageItem.pname);
       ParseNumber(imagesEntry, file, YAML_LOAD_OFFSET, imageItem.offset);
       images.push_back(imageItem);
     }
diff --git a/tools/projmgr/test/data/ImageOnly/image-only-multicore.csolution.yml b/tools/projmgr/test/data/ImageOnly/image-only-multicore.csolution.yml
new file mode 100644
index 000000000..eb1b78886
--- /dev/null
+++ b/tools/projmgr/test/data/ImageOnly/image-only-multicore.csolution.yml
@@ -0,0 +1,19 @@
+# yaml-language-server: $schema=https://raw.githubusercontent.com/Open-CMSIS-Pack/devtools/main/tools/projmgr/schemas/csolution.schema.json
+
+solution:
+
+  packs:
+    - pack: ARM::RteTest_DFP
+
+  target-types:
+    - type: CM0
+      device: RteTest_ARMCM0_Dual
+      target-set:
+        - set:
+          debugger:
+            name: CMSIS-DAP
+          images:
+            - image: ./images/image1.elf
+              device: :cm0_core0
+            - image: ./images/image2.elf
+              device: :cm0_core1
diff --git a/tools/projmgr/test/src/ProjMgrUnitTests.cpp b/tools/projmgr/test/src/ProjMgrUnitTests.cpp
index fc679d6c9..7985b5f40 100644
--- a/tools/projmgr/test/src/ProjMgrUnitTests.cpp
+++ b/tools/projmgr/test/src/ProjMgrUnitTests.cpp
@@ -7093,6 +7093,20 @@ TEST_F(ProjMgrUnitTests, ImageOnly) {
     testinput_folder + "/ImageOnly/ref/image-only+CM0.cbuild-run.yml");
 }
 
+TEST_F(ProjMgrUnitTests, ImageOnlyMulticore) {
+  char* argv[5];
+  const string& csolution = testinput_folder + "/ImageOnly/image-only-multicore.csolution.yml";
+  argv[1] = (char*)"convert";
+  argv[2] = (char*)csolution.c_str();
+  argv[3] = (char*)"--active";
+  argv[4] = (char*)"CM0";
+  EXPECT_EQ(0, RunProjMgr(5, argv, m_envp));
+
+  const YAML::Node& cbuildRun = YAML::LoadFile(testinput_folder + "/ImageOnly/out/image-only-multicore+CM0.cbuild-run.yml");
+  EXPECT_EQ("cm0_core0", cbuildRun["cbuild-run"]["output"][0]["pname"].as<string>());
+  EXPECT_EQ("cm0_core1", cbuildRun["cbuild-run"]["output"][1]["pname"].as<string>());
+}
+
 TEST_F(ProjMgrUnitTests, ListDebuggers) {
   char* argv[6];
   StdStreamRedirect streamRedirect;