diff --git a/Softwares/BIOS/Beta/README.md b/Softwares/BIOS/Beta/README.md
index e45b80f..eb089a1 100644
--- a/Softwares/BIOS/Beta/README.md
+++ b/Softwares/BIOS/Beta/README.md
@@ -9,3 +9,7 @@ Modified from **LP-BS-S70NC1R200-SR-A**, with IBECC option enabled for evaluatin
 ## LP-BS-S70NC1R200-SR-DEBUG
 
 Enable intel DCI debugging interface and UEFI log output for open source firmware developers
+
+## LP-BS-S70NC1R200-SR-TGPIO
+
+TGPIO function is enabled. A precise 1pps pulse signal is continuously output at Pin 123 for time sensitive applications.