This app updates the firmware on the Radeon HD 2600 PRO card to address issues.
The iMac SuperDrive Firmware Update 1.0 installs new firmware.
Fix a graphics issue that may cause your iMac to hang under certain conditions.
Solves issues for quad-core Intel Core i5 and Core i7 processors 27-inch iMacs.
Prevent your iMac from becoming unresponsive when viewing large JPEG images.