AAPL Stock: 110.38 ( + 0.8 )

Printed from

Apple's iMac Firmware Update 1.4 fixes ATI issues

updated 04:10 pm EDT, Sat May 2, 2009

iMac Firmware Update 1.4

Apple today released an iMac Firmware Update 1.4 to resolve some outstanding issues with certain models freezing and another issue with Bootcamp, Apple's technology for allowing users to run Windows on Mac. According to Apple's documentation, the update fixes intermittent system freeze issues for iMac computers with ATI Radeon HD 4850 graphics and fixes wake-from-sleep issues in Boot Camp. Readers report that the iMac freezes occur in a wide variety of applications--and even when not running Mac OS X (such as Bootcamp) and that typical troubleshooting steps do not resolve the issue.

Users much follow the follow the instructions in the updater application (/Applications/Utilities/iMac EFI Firmware and the updater will launch automatically when the Installer closes. After the firmware is successfully applied to the iMac, the Boot ROM Version will be: IM91.008D.B08.

by MacNN Staff





Login Here

Not a member of the MacNN forums? Register now for free.


Network Headlines

Follow us on Facebook


Most Popular


Recent Reviews

Polk Hinge Wireless headphones

Polk, a company well-established in the audio market, recently released a new set of headphones aimed at the lifestyle market. The Hin ...

Blue Yeti Studio

Despite being very familiar with Blue Microphones' lower-end products -- we've long recommended the company's Snowball line of mics ...

ZTE Spro 2 Smart Projector

Home theaters are becoming more and more accessible these days, but maybe you've been a bit wary about buying a home projector. And h ...


Most Commented