diff --git a/en/fpv-openipc-aio-mario.md b/en/fpv-openipc-aio-mario.md
index a96c2b5..bd42f60 100644
--- a/en/fpv-openipc-aio-mario.md
+++ b/en/fpv-openipc-aio-mario.md
@@ -57,6 +57,16 @@ MSIC BEC on board is up to 2A 5V output
 
 enter uboot use  uart device connect to top of AIO board(R0,T0)pad.
 
+How to get lower voltage input for DC input
+
+AIO power supply from 2s-3S battery needed more current and required 4wires connected, but higher voltage 4S+ may works 2wire connection.
+
+Remove two resistors then you can get input as low as 5.4V input available.
+
+![image](https://github.com/user-attachments/assets/24218925-fca8-47e2-bc4a-1326dabeaa68)
+
+
+
 
 ### Connect usb debug port
 
@@ -64,6 +74,16 @@ Plug USB cable to connect AIO and PC first, then power on DC, or usb power only.
 
 If there are unknown USB devices in the computer, the following [corechip-sr9900](https://github.com/user-attachments/files/16829005/corechip-sr9900-usb20-to-fast-ethernet-adapter-1750095.zip) drivers need to be installed.
 
+Operations on Mac OS
+
+<img width="686" alt="Screenshot 2024-09-21 at 10 07 24 AM" src="https://github.com/user-attachments/assets/15fde52d-8f14-4377-87ed-cec6e05dc70a">
+
+<img width="714" alt="Screenshot 2024-09-21 at 10 09 18 AM" src="https://github.com/user-attachments/assets/ce029aab-7505-41f8-81fc-283e41dfe84a">
+
+<img width="544" alt="Screenshot 2024-09-21 at 10 11 31 AM" src="https://github.com/user-attachments/assets/97aff8d8-1a1b-4682-a304-4af58a29e68a">
+
+
+
 #### Autosetup in windows
 Please download [Auto_Set_Mario_CDC.zip](https://github.com/user-attachments/files/17010487/Auto_Set_Mario_CDC.zip) file, unzip it and run as administrator.
 
@@ -77,11 +97,40 @@ 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
 
+**How to get internet for AIO**
+
+1.Open network connections on you windows, right click your main network adapter properties---Sharing: Allow other network users choose USB CDC
+
+
+![image](https://github.com/user-attachments/assets/e3f41122-7601-4dff-b599-a325e0693b8c)
+
+Apply,then the CDC ethernet will got a ip address 192.168.137.1 automaticlly
+
+
+![image](https://github.com/user-attachments/assets/bac7350b-399e-419c-8a4a-557d4378cf79)
+
+open admin terminal
+
+![image](https://github.com/user-attachments/assets/7eaae7ca-16c6-4e59-a8de-9178c9e3b77c)
+
+using arp -a to find AIO's IP
+
+![image](https://github.com/user-attachments/assets/f6d2641e-a5e9-45cd-90cb-5328d423a6c7)
+
+here 192.168.137.147 is my AIO's ip address.
+
+open ssh connect to AIO,Done.
+
+![5ed177f3dc690f9e70452e3e4c93b17](https://github.com/user-attachments/assets/48f44a3d-ae04-4780-aac7-b878a043c3e6)
+
+Now you can use sysupgrade -r -k -n --force_ver to update your firmware.
+
+
+
 
 ### Upgrade firmware
 
@@ -133,8 +182,10 @@ on bench test or debug is disable the record function defaultly
 
 To enable the recording function set (record value)true in majestic.yaml
 
+SD card must insert before Powering.
 
-On board heat sink and cooling fan:
+
+**On board heat sink and cooling fan:**
 
 cooling fan out put power up to 500mA max