pihva Posted April 19, 2010 Share Posted April 19, 2010 Well, I tried to find the solution but with no luck. My PC has 64-bit CPU Q6600 and 64-bit EFI. I've edited com.apple.Boot.plist and added the string: <key>Kernel Flags</key> <string>arch=x86_64</string> Check with Terminal: ioreg -l -p IODeviceTree | grep firmware-abi | | "firmware-abi" = <"EFI64"> but after I type: uname -a I have an answer: root:xnu-1228.15.4~1/RELEASE_I386 i386 Is it mean 32-bit? I believe that someone or even many of us has a successful experience. Please, share it. ______ My configuration: Chameleon RC4 Mac OS X 10.5.8 Retail Intel Bad Axe 2 Motherboard Q6600 8GB RAM NVidia Quadro 3500 SATA Drives DVD-RW on PATA Link to comment Share on other sites More sharing options...
Beerkex'd Posted April 20, 2010 Share Posted April 20, 2010 The kernel flag you're using is for Snow Leopard. 10.5.x doesn't have a full 64-bit mode like Snow Leopard has. Unless you boot 10.5.x with the -legacy kernel flag, it's already as 64-bit as it can be. Open Activity monitor and start Chess (it's in Applications). If it says Chess is running in 64-bit mode you're fine. Link to comment Share on other sites More sharing options...
pihva Posted April 21, 2010 Author Share Posted April 21, 2010 Thank you. Chess is running in 64-bit mode. Link to comment Share on other sites More sharing options...
shmoocat Posted June 4, 2010 Share Posted June 4, 2010 Thank you. Chess is running in 64-bit mode. that was one of the most useful discussion i have read on any mac forum. i joined because of it. YOU RULE Link to comment Share on other sites More sharing options...
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