You can’t burn a CHD to a CD-R. You can’t drag a CHD into a virtual drive without special tools. That’s when you need to decompress back to the raw ISO.
ROM hacking tools cannot parse compressed CHD data. chd to iso converter
Extracting specific game assets requires an uncompressed image. Best Tools for CHD to ISO Conversion 1. CHDMAN (The Official Command-Line Tool) You can’t burn a CHD to a CD-R
Burning games to real discs for original consoles requires ISO format. chd to iso converter
