diff --git a/tools/aurora-sep/install-aurora-sep.sh b/tools/aurora-sep/install-aurora-sep.sh
index 778bf309e518e1..ff724bb9cf0d94 100755
--- a/tools/aurora-sep/install-aurora-sep.sh
+++ b/tools/aurora-sep/install-aurora-sep.sh
@@ -1099,10 +1099,17 @@ m3_stub_problem() {
 # M3_STAGE1_VERSIONS); nothing when it is.
 # Clean v1.6.1 has the same base/entry/BootArgs chainload ABI as aurora13.
 # Both supported Air boards use the same T8122 chainload ABI and exact stub.
+# The 14" M3 Pro (J514S) qualifies on the same terms: an Asahi-installer
+# Mac reports clean v1.6.1 where an Omarchy-installer Mac reports
+# v1.6.1-dirty, with the same 14.8.3 stub. Only with --m3-handoff.
 m3_clean_stage1_14_qualified() {
   local fw target version
-  [[ $M3_GPU_PROFILE == legacy && ($(this_board) == j613 || $(this_board) == j615) && $(this_soc) == t8122 &&
-      " $M3_PERSISTENT_BOARDS " == *" $(this_board) "* ]] || return 1
+  if [[ $M3_GPU_PROFILE == legacy && $(this_board) == j514s && $(this_soc) == t6030 ]]; then
+    ((M3_TRY)) || return 1
+  else
+    [[ $M3_GPU_PROFILE == legacy && ($(this_board) == j613 || $(this_board) == j615) && $(this_soc) == t8122 &&
+        " $M3_PERSISTENT_BOARDS " == *" $(this_board) "* ]] || return 1
+  fi
   [[ ! -e $DT/$M3_OSLOG_OVERLAP ]] || return 1
   fw=$({ tr -d '\0' <"$DT/chosen/asahi,os-fw-version"; } 2>/dev/null) || return 1
   [[ ($fw == 14.7 || $fw == 14.8.3) && -z $(m3_stub_problem) ]] || return 1
diff --git a/tools/aurora-sep/tests/test_m3_handoff.py b/tools/aurora-sep/tests/test_m3_handoff.py
index 296297c5d5c496..6b28057b32e96b 100644
--- a/tools/aurora-sep/tests/test_m3_handoff.py
+++ b/tools/aurora-sep/tests/test_m3_handoff.py
@@ -184,6 +184,35 @@ def test_plan_on_another_stage1(self):
         self.assertIn("stage 1 is v1.7.0", proc.stderr)
         self.assertIn("Nothing was installed", proc.stderr)
 
+    def asahi_installer_mac(self, board, os_fw="14.7"):
+        # A Mac set up by the Asahi installer: clean v1.6.1 stage 1, same 14.8.3 stub.
+        self.mac(board, stage1="v1.6.1")
+        (self.dt / "chosen" / "asahi,os-fw-version").write_bytes(os_fw.encode() + b"\0")
+
+    def test_stage1_clean_on_j514s_with_handoff(self):
+        self.asahi_installer_mac("j514s")
+        self.assertEqual(self.run_sh("M3_TRY=1\nm3_stage1_problem").stdout, "")
+        self.assertEqual(self.plan(try_=1), "handoff")
+
+    def test_stage1_clean_on_j514s_without_handoff(self):
+        # A plain run keeps the kernel-only install, as before.
+        self.asahi_installer_mac("j514s")
+        self.assertIn("stage 1 is v1.6.1", self.run_sh("m3_stage1_problem").stdout)
+        self.assertEqual(self.plan(), "kernel")
+
+    def test_stage1_clean_on_j514s_needs_the_stub(self):
+        for os_fw, stub in [("13.5", "14.8.3"), ("14.7", "15.6")]:
+            with self.subTest(os_fw=os_fw, stub=stub):
+                self.asahi_installer_mac("j514s", os_fw=os_fw)
+                self.mac("j514s", stage1="v1.6.1", stub=stub)
+                proc = self.run_sh("M3_TRY=1\nm3_plan", check=False)
+                self.assertNotEqual(proc.returncode, 0)
+                self.assertIn("Nothing was installed", proc.stderr)
+
+    def test_stage1_clean_stays_refused_on_j516s(self):
+        self.asahi_installer_mac("j516s")
+        self.assertIn("stage 1 is v1.6.1", self.run_sh("M3_TRY=1\nm3_stage1_problem").stdout)
+
     def test_overlap_marker(self):
         self.mac("j516s")
         self.assertEqual(self.run_sh("m3_oslog_overlap_check").stderr, "")