Asd 3s159 !free! (SAFE ›)

Working with ASD involves significant caveats:

Plug your freshly created ASD USB drive into one of the native rear USB ports.

Since ASD is a closed-source Apple-internal tool, "developing a feature" typically refers to one of three things: 1. Scripting & Automation

Apple Service Diagnostic (ASD) 3S159: The Definitive Guide for Mac Pro (Late 2013) Diagnostic Testing

Validates the health of the flash storage controller. How to Use ASD 3S159