citera: Saving the image
Use Toast to save an image of only the Mac part of the CD by selecting Other > Mac Volume in the Toast window, then choose File > Save as Disc Image.
Mount the image
Mount the image in Toast by double-clicking the file that was saved and clicking the "Mount" button.
Remove unnecessary files
Throw away all visible files & folders EXCEPT the Support folder. All that should be left is and empty folder called "Support" at the root of the image. Eject the disc image.
Convert to .dmg
Use Disk Copy to convert the Toast image to a compressed .dmg file. In Disk Copy, choose Image > Convert Image, select the Toast image file, and click "Convert." Name the new .dmg file, choose "Compressed" as the image format, and click "Convert."