Accessing Seagate Hardrive Recovery/Diagnostics Ports:
The ports are shown here:
These ports need to be connected to a USB to TTL Adapter. In my previous post How to use Arduino mega as a USB TTL Adapter, I wrote about using Arduino as a TTL Adapter. We are going to connect these ports to Arduino as below:
Accessing the terminal with PUTTY
After turning on the Arduino, find out the COM port from the device manager.
Enter the following settings in PuTTY:
In my case the port was COM3. Click on open and you should be good to go!