27-inch iMac Graphics Firmware Update 1.0

Jobs.AE@

转自：http://support.apple.com/kb/DL984



About 27-inch iMac Graphics Firmware Update 1.0

Updates the graphics firmware on ATI Radeon HD 4670 and 4850 graphics cards to address issues that may cause image corruption or display flickering.

The iMac Graphics Firmware Update will update the graphics firmware on your iMac.

Do not disturb or shut off the power on your iMac during this update. Loss of power could result in your iMac failing to start up.

For detailed information on this update, please visit this website: http://support.apple.com/kb/TS3181


简单说，就是27寸iMac的4670和4850显卡似乎确实有问题，出了Firmware的Update程序，可以解决花屏和屏闪的现象。

蓝色虫

是不是配件的批次有问题

Jobs.AE@

入手了iMac 27，升级了显卡firmware，目前运行良好。