Use the official (formerly known as vSphere Update Manager) to add the driver to your base image.
Alternatively, use community tools like the PowerShell script to merge the driver .zip directly into a custom bootable ISO file. Esx Driver Cd
Swap the ESXi installation CD with your when prompted by the system. Use the official (formerly known as vSphere Update
Here is a quick guide on how to successfully use a driver CD to get your environment up and running. 💿 When Do You Need a Driver CD? Esx Driver Cd
Boot your server using the standard VMware ESX/ESXi installer media.
💻 Method 2: Injecting Drivers into a Custom ISO (Recommended)