diff --git a/en/fpv-openipc-aio-mario.md b/en/fpv-openipc-aio-mario.md
index 553aca6..a1f9fa5 100644
--- a/en/fpv-openipc-aio-mario.md
+++ b/en/fpv-openipc-aio-mario.md
@@ -5,10 +5,28 @@ OpenIPC AIO "Mario"
 -------------------
 
 https://store.openipc.org/OpenIPC-AIO-Mario-v1-0-p633320808
+
+**Power Section**
+2S-6S
+enter uboot use  uart device connect to top of AIO board(R0,T0)pad.
+
+**connect usb debug port:**
+
+power on AIO with Battery connector, after the blue LED flashing, plug in usb cable and connect to PC
+in windows:
+go to control panel- internet -network:
+find a usb2.0 to fast Ethernet Adapter
+set this card ipv4 address to 192.168.1.11 mask:255.255.255.0
+apply
+then open ssh to connect AIO address:192.168.1.10
+user:root password:12345
+
+
+**RF section**
 Default Antenna is ANT1 for 1T1R, ANT0+ANT1 is 2T2R
 Reconmand RF setting 
   RF Power 1~30dbm
-  MCS index 1,3,9
+  MCS index 1,3(0-7 is 1T1R, 8+ is 2T2R)
   stbc=1,ldpc=1
-  Video biterate:4096 /12688
+  Video biterate:4096 /12688(mcs 3+)