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 https://www.insanelymac.com/forum/topic/215950-how-to-boot-1058-in-64-bit-mode/ 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 https://www.insanelymac.com/forum/topic/215950-how-to-boot-1058-in-64-bit-mode/#findComment-1452026 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 https://www.insanelymac.com/forum/topic/215950-how-to-boot-1058-in-64-bit-mode/#findComment-1453014 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 https://www.insanelymac.com/forum/topic/215950-how-to-boot-1058-in-64-bit-mode/#findComment-1481999 Share on other sites More sharing options...
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