diff --git a/Bin/PicoCalc_BIOS_v1.2.bin.md5sum b/Bin/PicoCalc_BIOS_v1.2.bin.md5sum
new file mode 100644
index 0000000..dfa692b
--- /dev/null
+++ b/Bin/PicoCalc_BIOS_v1.2.bin.md5sum
@@ -0,0 +1 @@
+2b1f3dd57c168d59096e81b7180dd530  PicoCalc_BIOS_v1.2.bin