Lenovo Workstation Diagnostics description

The fastest way to diagnose system issues with your Lenovo ThinkStation P900, P910, P700, P710 or P500, P510. The days of looking up LED sequences and beep codes is over. Simply connect your Android phone or tablet to the diagnostics port when it is in an error condition and the Lenovo Workstation Diagnostics App will give you the insight to keep your system running at maximum performance.
• Manage diagnostics information for multiple systems
• Email diagnostics files to colleagues and other support personnel
• See http://www.thinkworkstationsoftware.com/diags for more information.

For ThinkStation models P520, P720, P920 look for the "Lenovo PC Diagnostics" app on Google Play. URL is https://play.google.com/store/apps/details?id=com.lenovo.lenovoworkstationdiagnostics