diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 000000000..cc1ffd215
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "extensions-builtin/sd-extension-system-info"]
+	path = extensions-builtin/sd-extension-system-info
+	url = https://github.com/vladmandic/sd-extension-system-info
diff --git a/extensions-builtin/sd-extension-system-info b/extensions-builtin/sd-extension-system-info
new file mode 160000
index 000000000..50dd323ed
--- /dev/null
+++ b/extensions-builtin/sd-extension-system-info
@@ -0,0 +1 @@
+Subproject commit 50dd323ed471e82f272c97498a2ecf1e2c8ea7d6