Apple has released
iMac Software Update 1.2.1 (Tiger), a patch intended for 20- and 24-inch aluminum-clad iMacs operating and 2.0, 2.4 and 2.8GHz running Mac OS X v10.4 “Tiger.” The update is available for download from Apple’s Web site.
Recently Apple acknowledged a problem that can cause these models of iMac to freeze suddenly under certain circumstances. On Nov. 1, the company
offered software updates
for Leopard and Tiger users affected by the issue.
This update “improves the performance and reliability of graphics-intensive games and applications and fixes an issue that some customers encountered when installing Mac OS X Leopard after applying iMac Software Update 1.2,” according to Apple.