Upgrade 24” iMac video card - ATI Radeon 256MB to NVIDIA GeForce 512MB - Ask Different
iMac GPU cooling mods – Pizza Undervolt
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Big Sur running on an early 2008 MBP, with working GPU acceleration! thanks OCLP : r/BigSurPatcher
Apple Video Cards - iFix Mac Computers
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Original Genuine 661-4664 8800gs 512mb Graphics Video Card For Imac A1225 24" 2008 With Heatsink 180-10398-0005-a04 180-1 - Buy For 8800gs Video Card,Graphics Video Card A1225,Graphics Card With Heatsink A1225 Product on
Cheap graphics card for 2008 iMac? - Apple desktop computer | Ask MetaFilter
iMac A1224 Graphics Card Repair (Early 2008) ATI Radeon
Amazon.com: 2GB Graphics Video Card Replacement for Apple iMac Mid-2011 27 Inch A1312 Core i7 3.4 MD063LL/A MD063 Desktop PC Computer, ATI Radeon HD 6970 GDDR5 2 GB, New GPU Upgrade Repair
2007, 2008 Apple 24" iMac A1225 Video Card ATI HD 2600 Pro 256MB 661-4663 (50HK) | eBay
dosdude1 na Twitteru: "Just performed a successful GPU repair on this Early- 2008 24" iMac! This machine should never have another GPU issue again. https://t.co/HgGfnihfXT" / Twitter
Ultimate (iMac) MXM efi rom/vbios thread...
iMac Intel 20" EMC 2133 and 2210 Video Card Replacement - iFixit Repair Guide
Decade of Upgrade: How to Enhance Any Desktop Mac Since 2008