diff --git a/rbutil/mkamsboot/dualboot.c b/rbutil/mkamsboot/dualboot.c
index 527850d452..db94aaa1bf 100644
--- a/rbutil/mkamsboot/dualboot.c
+++ b/rbutil/mkamsboot/dualboot.c
@@ -16,8 +16,8 @@ unsigned char nrv2e_d8[168] = {
     0x01, 0x39, 0xfa, 0xd1, 0xbe, 0xe7, 0x00, 0x00
 };
 unsigned char dualboot_clip[256] = {
-    0xe4, 0xf0, 0x9f, 0xe5, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0xe4, 0xf0, 0x9f, 0xe5, 0xfe, 0xff, 0xff, 0xea, 0xfe, 0xff, 0xff, 0xea, 0xfe, 0xff, 0xff, 0xea,
+    0xfe, 0xff, 0xff, 0xea, 0xfe, 0xff, 0xff, 0xea, 0xfe, 0xff, 0xff, 0xea, 0xfe, 0xff, 0xff, 0xea,
     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x24, 0x00, 0x1f, 0xe5,
     0x24, 0x10, 0x1f, 0xe5, 0x01, 0x20, 0x40, 0xe0, 0x18, 0x30, 0x1f, 0xe5, 0x01, 0x40, 0x50, 0xe4,
@@ -34,8 +34,8 @@ unsigned char dualboot_clip[256] = {
     0x14, 0x00, 0x0f, 0xc8, 0x00, 0x00, 0x0b, 0xc8, 0x00, 0x00, 0x0d, 0xc8, 0x00, 0x00, 0x0c, 0xc8
 };
 unsigned char dualboot_e200v2[236] = {
-    0xd4, 0xf0, 0x9f, 0xe5, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0xd4, 0xf0, 0x9f, 0xe5, 0xfe, 0xff, 0xff, 0xea, 0xfe, 0xff, 0xff, 0xea, 0xfe, 0xff, 0xff, 0xea,
+    0xfe, 0xff, 0xff, 0xea, 0xfe, 0xff, 0xff, 0xea, 0xfe, 0xff, 0xff, 0xea, 0xfe, 0xff, 0xff, 0xea,
     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x24, 0x00, 0x1f, 0xe5,
     0x24, 0x10, 0x1f, 0xe5, 0x01, 0x20, 0x40, 0xe0, 0x18, 0x30, 0x1f, 0xe5, 0x01, 0x40, 0x50, 0xe4,
@@ -51,8 +51,8 @@ unsigned char dualboot_e200v2[236] = {
     0x14, 0x00, 0x0f, 0xc8, 0x00, 0x00, 0x0b, 0xc8, 0x00, 0x00, 0x0d, 0xc8
 };
 unsigned char dualboot_c200v2[236] = {
-    0xd4, 0xf0, 0x9f, 0xe5, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0xd4, 0xf0, 0x9f, 0xe5, 0xfe, 0xff, 0xff, 0xea, 0xfe, 0xff, 0xff, 0xea, 0xfe, 0xff, 0xff, 0xea,
+    0xfe, 0xff, 0xff, 0xea, 0xfe, 0xff, 0xff, 0xea, 0xfe, 0xff, 0xff, 0xea, 0xfe, 0xff, 0xff, 0xea,
     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x24, 0x00, 0x1f, 0xe5,
     0x24, 0x10, 0x1f, 0xe5, 0x01, 0x20, 0x40, 0xe0, 0x18, 0x30, 0x1f, 0xe5, 0x01, 0x40, 0x50, 0xe4,
@@ -68,8 +68,8 @@ unsigned char dualboot_c200v2[236] = {
     0x14, 0x00, 0x0f, 0xc8, 0x00, 0x00, 0x0b, 0xc8, 0x00, 0x00, 0x0d, 0xc8
 };
 unsigned char dualboot_m200v4[212] = {
-    0xc0, 0xf0, 0x9f, 0xe5, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0xc0, 0xf0, 0x9f, 0xe5, 0xfe, 0xff, 0xff, 0xea, 0xfe, 0xff, 0xff, 0xea, 0xfe, 0xff, 0xff, 0xea,
+    0xfe, 0xff, 0xff, 0xea, 0xfe, 0xff, 0xff, 0xea, 0xfe, 0xff, 0xff, 0xea, 0xfe, 0xff, 0xff, 0xea,
     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x24, 0x00, 0x1f, 0xe5,
     0x24, 0x10, 0x1f, 0xe5, 0x01, 0x20, 0x40, 0xe0, 0x18, 0x30, 0x1f, 0xe5, 0x01, 0x40, 0x50, 0xe4,
@@ -84,8 +84,8 @@ unsigned char dualboot_m200v4[212] = {
     0x00, 0x00, 0x0b, 0xc8
 };
 unsigned char dualboot_fuze[236] = {
-    0xd4, 0xf0, 0x9f, 0xe5, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0xd4, 0xf0, 0x9f, 0xe5, 0xfe, 0xff, 0xff, 0xea, 0xfe, 0xff, 0xff, 0xea, 0xfe, 0xff, 0xff, 0xea,
+    0xfe, 0xff, 0xff, 0xea, 0xfe, 0xff, 0xff, 0xea, 0xfe, 0xff, 0xff, 0xea, 0xfe, 0xff, 0xff, 0xea,
     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x24, 0x00, 0x1f, 0xe5,
     0x24, 0x10, 0x1f, 0xe5, 0x01, 0x20, 0x40, 0xe0, 0x18, 0x30, 0x1f, 0xe5, 0x01, 0x40, 0x50, 0xe4,
@@ -101,8 +101,8 @@ unsigned char dualboot_fuze[236] = {
     0x14, 0x00, 0x0f, 0xc8, 0x00, 0x00, 0x0b, 0xc8, 0x00, 0x00, 0x0d, 0xc8
 };
 unsigned char dualboot_clipv2[280] = {
-    0x00, 0xf1, 0x9f, 0xe5, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0xf1, 0x9f, 0xe5, 0xfe, 0xff, 0xff, 0xea, 0xfe, 0xff, 0xff, 0xea, 0xfe, 0xff, 0xff, 0xea,
+    0xfe, 0xff, 0xff, 0xea, 0xfe, 0xff, 0xff, 0xea, 0xfe, 0xff, 0xff, 0xea, 0xfe, 0xff, 0xff, 0xea,
     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x24, 0x00, 0x1f, 0xe5,
     0x24, 0x10, 0x1f, 0xe5, 0x01, 0x20, 0x40, 0xe0, 0x18, 0x30, 0x1f, 0xe5, 0x01, 0x40, 0x50, 0xe4,
@@ -121,8 +121,8 @@ unsigned char dualboot_clipv2[280] = {
     0x00, 0x00, 0x0b, 0xc8, 0x00, 0x00, 0x0e, 0xc8
 };
 unsigned char dualboot_clipplus[216] = {
-    0xc0, 0xf0, 0x9f, 0xe5, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0xc0, 0xf0, 0x9f, 0xe5, 0xfe, 0xff, 0xff, 0xea, 0xfe, 0xff, 0xff, 0xea, 0xfe, 0xff, 0xff, 0xea,
+    0xfe, 0xff, 0xff, 0xea, 0xfe, 0xff, 0xff, 0xea, 0xfe, 0xff, 0xff, 0xea, 0xfe, 0xff, 0xff, 0xea,
     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x24, 0x00, 0x1f, 0xe5,
     0x24, 0x10, 0x1f, 0xe5, 0x01, 0x20, 0x40, 0xe0, 0x18, 0x30, 0x1f, 0xe5, 0x01, 0x40, 0x50, 0xe4,
@@ -137,8 +137,8 @@ unsigned char dualboot_clipplus[216] = {
     0x00, 0x00, 0x0d, 0xc8, 0x00, 0x00, 0x0b, 0xc8
 };
 unsigned char dualboot_fuzev2[236] = {
-    0xd4, 0xf0, 0x9f, 0xe5, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0xd4, 0xf0, 0x9f, 0xe5, 0xfe, 0xff, 0xff, 0xea, 0xfe, 0xff, 0xff, 0xea, 0xfe, 0xff, 0xff, 0xea,
+    0xfe, 0xff, 0xff, 0xea, 0xfe, 0xff, 0xff, 0xea, 0xfe, 0xff, 0xff, 0xea, 0xfe, 0xff, 0xff, 0xea,
     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x24, 0x00, 0x1f, 0xe5,
     0x24, 0x10, 0x1f, 0xe5, 0x01, 0x20, 0x40, 0xe0, 0x18, 0x30, 0x1f, 0xe5, 0x01, 0x40, 0x50, 0xe4,
diff --git a/rbutil/mkamsboot/dualboot/dualboot.S b/rbutil/mkamsboot/dualboot/dualboot.S
index 84d2fcee4d..d1a9721f9f 100644
--- a/rbutil/mkamsboot/dualboot/dualboot.S
+++ b/rbutil/mkamsboot/dualboot/dualboot.S
@@ -32,14 +32,15 @@
 /* Vectors */
 
         ldr   pc, =start    /* reset vector */
-        /* next vectors are unused */
-        .word   0
-        .word   0
-        .word   0
-        .word   0
-        .word   0
-        .word   0
-        .word   0
+        /* next vectors are unused, halt cpu */
+1:      b 1b
+1:      b 1b
+1:      b 1b
+1:      b 1b
+1:      b 1b
+1:      b 1b
+1:      b 1b
+
 
 /* These values are filled in by mkamsboot - don't move them from offset 0x20 */