Gpu Additional Heatsink

iMac GPU cooling mods

iMac 2007 and 2008 Ati HD2600pro GPU bios is not recognized by Radeon Bios Editor so i’ts not possible to undervolt it; to prevent it from failing after a successful reflow, we…
hd4670m hd2600pro

iMac GPU undervolt

As in most apple products built in the last 15 years, iMac GPUs have a bad habit of failing because of questionable decisions in HW and fan curves design . While 2011…
iMac Wooden Framed

Salvaging broken iMac screen

iMacs late 2012 onwards are a pain in the ass to service because of the glued down screen – easy to break during disassembly, or falling later during a hot day because…

vBios and HW modding HD3850

Half a success story on this old ATI/AMD card – a nice RV670 / HD3850 512mb by Sapphire – this came in a pc sold as broken, and got inside a very…