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05-17-2010, 03:17 PM
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Join Date: Jul 2009
Location: Germany
Posts: 779
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Quote:
Originally Posted by spark*
Now in system profiler it says ATI Radeon 4600 Series, 512 mb (not 1gb) and that Hardware Info tool Imkantus suggested says ATI Radeon RV730, Quartz Extreme YES.
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Good work. 
No need to worry about VRAM not identified correctly in System-Profiler. If you look into VideohardwareInfo-Tool it will report you the even less amount of 256MB VRAM, I assume that this is just an optical issue caused by iMacs using 256MB of dedicated VRAM, but I do not think this affects functionality. 
Quote:
Originally Posted by spark*
Should i upgrade to 10.6.3? What are the steps?
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Your choice - if you feel fine with 10.6.2 and have no problems, I wouldn't call it a mistake to stay with it.
If you want to Update to 10.6.3, create a Back-Up of the following Kernel Extensions:
ATIFramebuffer.kext, ATISupport.kext & ATI4600Controller.kext (I'd recommend you to back up all your current Kernel Extensions before doing an System Update, but these 3 ones are required.)
Boot into Safemode (-x) after Update delete the new versions of those 3 kexts, add your Device ID to new ATIRadeonX2000.kext and reinstall the 3 old kext files.
AMD Phenom II X4 955 - ASRock AM3A770DE - 8GB DDR3-1333 - Radeon HD 5570 1GB passiv - BCM4318 802.11b/g - Snow Leopard Retail
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AMD Phenom X3 8450 - ASRock AM2NF6G-VSTA (BIOS L2.39) - 4GB DDR2-800 - Radeon HD 4650 512MB - Snow Leopard Retail (retired) / OpenBSD
Last edited by Imkantus; 05-17-2010 at 03:20 PM.
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