System Mode Configurator

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Version: 1.0 || Release Date: 2009-09-18 || License: Freeware App Owner: thrull

SystemModeConfigurator is a system preference pane application which can switch Your Mac kernel boot mode to 32/64 bit (it uses nvram boot-args). On systems other than Snow Leopard it only displays Your system capabilities to run 64bit kernel.

Required OS: 10.5
Tags: 64bit , leopard , snow , system

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2 Opinions

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by thomasmeijer89, 1 year and 240 days ago

Latest version is 1.1, not 1.0

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by miknos, 2 years and 206 days ago

I have a macbook 4,1 model. (intel c2d 2.4, intel gma x3100).

It has 64 bit processor and 64 bit EFI. It's capable but graphic drivers (for the GMA X3100) are NOT 64bit. I tried to enable 64bit with no success. Boot load time increased from 40 seconds to 1:30min. After selecting back 32bit the boot went to normal.

I think 10.6.2 MIGHT have new 64 bit (graphic) drivers, so 64 bit kernel could be enabled.