diff --git a/packages/platforms/accton/x86-64/x86-64-accton-as5512-54x/platform-config/r0/src/lib/boot/x86-64-accton-as5512-54x-r0 b/packages/platforms/accton/x86-64/x86-64-accton-as5512-54x/platform-config/r0/src/lib/boot/x86-64-accton-as5512-54x-r0
index bbeeded1..98eccc32 100644
--- a/packages/platforms/accton/x86-64/x86-64-accton-as5512-54x/platform-config/r0/src/lib/boot/x86-64-accton-as5512-54x-r0
+++ b/packages/platforms/accton/x86-64/x86-64-accton-as5512-54x/platform-config/r0/src/lib/boot/x86-64-accton-as5512-54x-r0
@@ -2,14 +2,7 @@
 #
 # x86-64-accton-as5512-54x-r0
 #
-# XXX missing YML platform config
-#
 ##############################
 
-echo "pci0000:00/0000:00:14.0 ma1" >/etc/onl/net
-
-echo "LABEL=FLASH * flash" > /etc/onl/mounts
-echo "LABEL=FLASH2 * flash2" >> /etc/onl/mounts
-
 
 
diff --git a/packages/platforms/accton/x86-64/x86-64-accton-as5512-54x/platform-config/r0/src/lib/x86-64-accton-as5512-54x-r0.yml b/packages/platforms/accton/x86-64/x86-64-accton-as5512-54x/platform-config/r0/src/lib/x86-64-accton-as5512-54x-r0.yml
new file mode 100644
index 00000000..0cdb6fca
--- /dev/null
+++ b/packages/platforms/accton/x86-64/x86-64-accton-as5512-54x/platform-config/r0/src/lib/x86-64-accton-as5512-54x-r0.yml
@@ -0,0 +1,31 @@
+---
+
+######################################################################
+#
+# platform-config for AS5512
+#
+######################################################################
+
+x86-64-accton-as5512-54x-r0:
+
+  grub:
+
+    serial: >-
+      --port=0x2f8
+      --speed=115200
+      --word=8
+      --parity=no
+      --stop=1
+
+    kernel: 
+      <<: *kernel-3-2
+
+    args: >-
+      nopat
+      console=ttyS1,115200n8
+
+  network
+    interfaces:
+      ma1:
+        name: ~
+        syspath: pci0000:00/0000:00:14.0