Make OS3.9 ISO

[golem]

I'm trying to install OS3.9 from an ISO I made on Mac but I guessed there was something wrong with it as it fails to mount with no message and then when I cd to the device (CDE or VCD0) it says "Not a DOS disk". When I try to create a new ISO with ImgBurn on PC it can only do .bin because of audio tracks on the CD. How did you guys create your ISO please?

[golem]

Thanks guys. I own a copy of OS3.9 and needed to make an ISO that works. I got it working finally. The step I was missing on the Mac is after creating an CD/Disk master (.cdr) with Disk utility you need to convert it to ISO with the command from the terminal;
"hdiutil makehybrid -iso -joliet -o AmigaOS3.9.cdr AmigaOS3.9.iso"
then I used Thomas's advice and zip file from here to mount it and create Emergency Disk.
http://www.amiga.org/forums/showthread.php?t=40468&highlight=start.zip

[golem]

Thanks Kolla. I'll use that next time. I had problems because I read somewhere that you can rename Mac .cdr to .iso and they will work. This does not appear to be correct!