Apple iMac Firmware Specifications
for slot-loading CD/DVD iMacs only
FromApple:The iMac Firmware Update 4.1.9 will only run on iMac computers with slot-loading CD or DVD drives running Mac OS 9.1 or later from a local drive. If you are using Mac OS X you must boot from a local Mac OS 9
Virtual CD-RW driver.
See advanced information and configure Eco Mode on LaCie hard drives.
Update Mac OS X 10.3 for improved relability, services, and functionality.