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Cannot Install on AMD Mobo. HP 425

10.6.x HP AMD EFI Retail

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#1
Manuel Andres Velez Velez

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Hi everyone, I tried everything and I can't install Snow Leopard in my laptop! :( I tried with some distros like iAtkos, iPC etc. In my last try I used Empire Efi for AMD (Legacy Boot) + retail... but i get kernel panics! Usually it stucks in: Unable to find driver for this platform:

\"ACPI\".\n"@/Extra/builds/xnu/xnu-1456.1.26/iokit/Kernel/IOPlatformExpert.cpp:1393.


I tried with -x cpus=1 busratio=19,20,21 but it don't works!


Can anybody help me?

Specs:
Chipset AMD RS880M
AMD Athlon II Dual-Core P320 (2,1 GHz, 1 MB L2 cache)
ATI Mobility Radeon™ HD 4250
HP 425 Laptop http://h20000.www2.h...odTypeId=321957

Infinitely thanks!

#2
jakealley26

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Take a look at this.

http://www.mac-forum...nt-boot-os.html

There are two suggestions. One is that ACPI has something to do with power managements. The other one that seemed to work is fiddle with system memory.

#3
PookyMacMan

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Check out the guide in my signature. That uses the OSx86 ModCD, which is now recommended by Prasys (the creator of EmpireEFI).

#4
Manuel Andres Velez Velez

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Ok, I try with nawcom but this is what I get after "darwin x86 press any key to continue..."... it remains also with -x screencapture:
Posted Image

#5
PookyMacMan

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Is this actually a retail DVD or a distro? The ModCD only works with retail discs (bought or downloaded), not any distro (like iAtkos, Hazard etc.)

#6
Manuel Andres Velez Velez

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Yes, it's an Original Retail DVD of snow leopard. I also tried Retail USB stick created in a original mac from Snow Leopard Thumb drive... same error :( Can anyone help me? Thanks in advance

#7
PookyMacMan

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I think you may need a different kernel. I'll look one up and post it here with instructions. :)

#8
Manuel Andres Velez Velez

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Thanks man! I'll wait for it :)

#9
betam4x

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try doing what it says for modcd. Type rd(0,0)/Extra/legacy_kernel or whatever it says (can't remember off hand). If it still gives you problems, type that again and append -force64 to the end.






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