In the context of the Ubuntu (not Xubuntu) installation DVDs, it's been stated repeatedly that the developers couldn't create one DVD that would boot on both Intel Mac and non-Mac systems.
On the other hand, it's been claimed that the installation DVDs for Xubuntu will work with both Intel Mac and other systems.
Is one of these claims incorrect?
Will the Xubuntu installation DVD boot on Intel Macs without any problems?
The amd64+mac images are BIOS only. The regular amd64 images are BIOS+EFI. The BIOS+EFI images are designed to run on both BIOS and EFI systems. Unfortunately some systems can not handle the combined "hybrid" boot image. Some Macs fall into this category (so do some PCs). The name "amd64+mac" is inaccurate, but was used because the problem was first discovered on Macs; it should more correctly be called "amd64-bios-only".
So in answer to your question, yes the regular Xubuntu image will boot on (most) Intel Macs. There are some PC and Mac systems which have BIOS/EFI bugs and can not boot the regular Ubuntu (or Xubuntu, or Debian) amd64 image. Thomas Schmitt, the author of the Xorriso tool that is used to build the install images, has written a small C program which will convert a hybrid BIOS+EFI ("amd64") image into a non-hybrid ("amd64-bios-only") image, so that it will boot on systems that have the bug. If you have such a system, then this is a possible solution.
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