Nunkle Posted December 8, 2010 Share Posted December 8, 2010 I am currently running OSX 10.5 and windows 7 on my pc and for the last two years have had AHCI enabled and working on both operating systems but when reading optimal settings for snow leopard and have found the following I need to change HPET Mode to 64-bit mode ACPI Suspend Type to S3(STR) I am wondering if changing these will prevent me being able to boot into any of my currently installed operating systems? Quote Link to comment https://www.insanelymac.com/forum/topic/239339-changing-bios-options-for-106-will-it-affect-other-os/ Share on other sites More sharing options...
Gringo Vermelho Posted December 8, 2010 Share Posted December 8, 2010 Change it and see what happens. If it doesn't work, change it back. Quote Link to comment https://www.insanelymac.com/forum/topic/239339-changing-bios-options-for-106-will-it-affect-other-os/#findComment-1598580 Share on other sites More sharing options...
Nunkle Posted December 8, 2010 Author Share Posted December 8, 2010 I would try that but last time I changed settings, which was ACPI from AHCI and booted into 10.5 it wouldnt boot and never booted after that incedent Quote Link to comment https://www.insanelymac.com/forum/topic/239339-changing-bios-options-for-106-will-it-affect-other-os/#findComment-1598963 Share on other sites More sharing options...
Gringo Vermelho Posted December 8, 2010 Share Posted December 8, 2010 If you can't boot after changing something in your BIOS, do a CMOS reset. That'll usually fix it. Quote Link to comment https://www.insanelymac.com/forum/topic/239339-changing-bios-options-for-106-will-it-affect-other-os/#findComment-1599015 Share on other sites More sharing options...
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