[UPDATE 2025 – got a CacheDoubler! 😍 See further down for added details] Apple Performa and PowerMac models 5400/6400 used a mainboard code-named “Alchemy“. The same board, sometimes with some changes, was used in different Mac clones like the UMAX Apus 2000 & 3000 series (SuperMac C500 & C600 in the US) and PowerComputing PowerBase. … Continue reading UMAX tuning→ The post UMAX tuning appeared first on GeekDot.