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Snow leopard 10.6.2 on Asus P5QL/EPU

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Ok so let's start ...

I installed snow leopard hazard on my computer, see my specs :


Asus p5ql/epu

Intel pentium dual core e6600 3.06 GHz

Nvidia GT 220 1GB DDR5

SATA 500 GB western digital

2x2GB Value RAM 800 MHz DDR2



What you need ? :


Hazard 10.6.1/10.6.2 but you can use a retail dvd with chamelon but here we going to use only hazard distro.

So first you need to change some informations on your BIOS, so this is my BIOS settings :



Storage configuration : Configuration SATA as AHCI

Advanced CPU settings - CPU ratio - Auto

Max CPUID - Dislabled

Next 4 settings - Enabled

Speedstep - Disabled

C-state - Disabled

Onboard Devices - High Definition audio & Onboard Lan - Enabled rest - Disabled

USB Enabled - Enabled - Enabled - High speed - Auto

Power - Suspend mode - Auto

ACPI 2.0 - Enabled

ACPI APIC - Enabled

APM Configuration - Power off & all Disabled


Ok so when you have this you can start the installation of SL so boot on your DVD Drive, then press F8 and enter this :


-v cpus=1


Press enter...


Chose your language set your partition, format it and press continue.

After this you should have a button named custom press on it then follow my settings :


Update : 10.6.2 combo update

kernel : Don't touch if you have a C2D or if you have an intel pentium dual core, chose the second kernel if you have only an old processor (like pentium 4).

Bootloader : Chameleon RC3 EFI 10.5

Graphic card -> nvenabler

System -> Fix CMOS reset (Eliott)

SMBios resolver

After that you can chose some application like rosetta and press continue.

Installation during between 5-10 minutes depend on your dvd drive and hard drive.

For the first boot the cpus=1 is not usefull you can boot without him, but if you have an error just use it and if you have again an error and can't boot in snow leopard use this command :

-v -x busratio=20 cpus=1.

Then follow the installation process.

Now what you should to do ? It's simple, normaly the system detect just one core of your processor so you need to patch your dsdt and remove the alias see more information about the dsdt modifications and how to remove the alias on google ;)

after that install your new dsdt on the extra folder or on the root of your hard drive.

Reboot and you should have your 2 cores or 4 or 8 detected :)

after this you need to enable your graphic card, for this you can use NVEnabler or use some EFI string (only for nvidia cards), sorry for ATI i don't know how to do :/

Ok so now you should have graphic, ethernet and processor detected hummm we need now to fix the audio

For this use the VoodooHDA kext 2.7.x and modify your ID in the info.plist but with this voodooHDA you don't have the mic rear enabled you have all ports (front and rear) enabled but not the rear mic so i search a bit in internet and i found a kext modified by (i forgot his name) and in this kext the only thing that you should to do is to modify your ID in the info.plist

So that's all :) enjoy snow leopard^^



P.S : i attached the voodooHDA kext a picture :)



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Welcome to 2009!


If you use a modern version of Chameleon it's not necessary to remove CPU aliases from DSDT, or disable CPU power states in the BIOS. smbiosresolver is also utterly obsolete, use a properly configured MacPro3,1 smbios.plist in /Extra instead. The RTC legacy kext is not necessary either on P5Q series boards, the RTC device already has the correct length in DSDT.


I don't know what kind of audio the P5Q-L has but at least on the P5Q-E it's not necessary to use VoodooHDA, you can patch AppleHDA for AD2000B sound using HDAWizard + the appropriate plist/xml files. Then all you need is the generic Intel ICHx HDEF device code in your DSDT.


If you use Chameleon 2.1, the Asus P5Q-E can the boot retail Snow Leopard DVD and complete an install with only fakesmc.kext in /Extra/Extensions.

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