- `cdrom_type` (string) - Which controller to use. Example: `sata`. Defaults to `ide`. - `iso_paths` ([]string) - List of Datastore or Content Library paths to ISO files that will be mounted to the VM. Here's an HCL2 example: ```hcl iso_paths = [ "[datastore1] ISO/ubuntu.iso", "Packer Library Test/ubuntu-16.04.6-server-amd64/ubuntu-16.04.6-server-amd64.iso" ] ```