The proposition that "FlashCD1 zip [is] better" is conditionally true, dependent entirely on the stage of the data lifecycle:
flashcd1.zip served a purpose in the early 2000s when DOS was still a viable flashing environment and all optical drives used parallel ATA. But today, searching for “flashcd1 zip better” should lead you away from that old tool, not toward it. flashcd1 zip better
: You can use a tool like UltraISO to inject your specific BIOS update files and flash utilities into the ISO. The proposition that "FlashCD1 zip [is] better" is
Unzip the package to find the flashcd.iso file and a readme.txt . flashcd1 zip better
A better flashcd1.zip loads only:
For these reasons, flashcd1.zip is for almost any practical use case.