If you're looking for an IPL.bin for use in an emulator or for a specific development project, consider the following:
Place the file in your Dolphin User folder under GC/[Region]/ (e.g., GC/USA/ipl.bin). In Dolphin's Config > GameCube tab, uncheck Skip Main Menu. gamecube ipl.bin download
Pros:
If you don’t own a GameCube or Wii, you cannot legally obtain ipl.bin. In that case, simply use Dolphin without it — the vast majority of games work perfectly fine, missing only the boot animation and a few early initializations. Guide: Reflecting on “GameCube IPL
This comprehensive guide will explain everything you need to know about the GameCube's IPL (Initial Program Loader) ROM, its role in emulation, and the correct, legal methods to obtain it. The IPL (Initial Program Loader) is the GameCube’s
To dump the file yourself, you will need a modded GameCube (using a hardware mod like XenoGC or a softmod exploit) and an SD card adapter (SD Gecko or SD2SP2).