diff --git a/asus/p5gc-mx/4.6-261-g8db3c2a/2017-06-01T23_58_20Z/rom_checksum.txt b/asus/p5gc-mx/4.6-261-g8db3c2a/2017-06-01T23_58_20Z/rom_checksum.txt
new file mode 100644
index 0000000..48ed77c
--- /dev/null
+++ b/asus/p5gc-mx/4.6-261-g8db3c2a/2017-06-01T23_58_20Z/rom_checksum.txt
@@ -0,0 +1 @@
+ae2c43b3195235fbdf002ac3549b4c8f *build/coreboot.rom