abtekk Posted November 6, 2010 Share Posted November 6, 2010 I have an optiplex gx280 with 10.6.4 OSx86 installed and i have 1.5gb of ram but in the 'about this mac' screen it only shows 1gb. any ideas? Quote Link to comment Share on other sites More sharing options...
dothacker Posted November 7, 2010 Share Posted November 7, 2010 Motherboard restriction? It's been a while since I worked on those old machines. When you had windows in there, does it read 1.5Gb? Quote Link to comment Share on other sites More sharing options...
Dellmantt Posted November 7, 2010 Share Posted November 7, 2010 From Dell = "Memory ..4DIMMslots(SFChassisonlyhastwo);Non-ECCdualchannelshared2 DDR2SDRAMsystemmemory (400Mhz) up to 4GB, 3 on the Desktop and Minitower chassis" What does 'System Profiler" show? OS X can be finicky with ram. Quote Link to comment Share on other sites More sharing options...
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