duminică, 1 august 2010

Install Snow Leopard Retail on a PC

How to install Snow Leopard on a PC.

This was tested with build 10A432 on a Core 2 Duo CPU. (see sig. for specs.) This is how I got it to work, it may not work for some.

THIS IS A GUIDE FOR 10A432, not my original 10A380 version, thats history...

What you will need:
A Working OS X Installation
A DMG or Install DVD of SL 10A432,
A DSDT (From wherever, compiled or decompiled),
2 spare HDs or a couple volumes big enough to install Snow Leopard onto and restore the 10A432 image onto,
A few kexts, we'll get to them later...


Step 1: Restore the DMG/Disc of Snow Leopard 10A432 to a volume using Disk Utility. (Click a volume in the sidebar, click the Restore tab, drag from the sidebar the DMG or Disc of Snow Leopard into the "Source" box. The "Destination" as your Snow Leopard Installer volume.)

Step 2: Once that is done and you have the Snow Leopard Installer image restored to a volume, your now gonna wan't to install Snow Leopard! But first, is your volume (that you want to install snow leopard onto, using GUID or MBR? If your volume is using GUID, your good to go, just skip to Step 3. If not, simply download this (thanks to The Edge3000) and place it in /Volumes/<<[SnowLeopardInstallerVolume]>>/System/Installation/Packages.

Step 3: Browse to the OSInstall.mpkg on your Snow Leopard installer volume, which would usually be located at: /Volumes/<<[SnowLeopardInstallerVolume]>>/System/Installation/Packages/OSInstall.mpkg
Once you've found it, double click it and the installer window should pop up.

Step 4: Once your at the "Customize" window, select the components YOU ONLY NEED! Deselect any unnecessary fonts, languages or printer drivers or the install may result in an error.

Step 5: Go ahead and click "Install" (make sure your on the right vol.) and Installation should begin (Strangely enough).

Step 6: After the install is done, don't reboot yet! You've still got a lot to do! Your now gonna need some kexts, a DSDT and you may need a patched kernel for your CPU. Now, your gonna need to install a bootloader that can boot Snow Leopard. For this guide, we will use Chameleon v2 RC3, as it is much more stable than PC-EFI v10.x. Download the bootloader here. Install the Chameleon package onto the volume you USUALLY boot OS X from, unless your using an External USB/Firewire drive, then of course install the bootloader onto the Snow Leopard vol.

W00t, your computer can now boot Snow Leopard! BUT wait.. not yet.. we still need some editing...

Making it work

electro has provided us with a HUGE option of kexts, utilities and more for Snow Leopard, which you can find here: http://cid-8b65993ef55cf014.skydrive.../.Public/OSx86
A big thanks and all credit to him/her.... We'll be using electro's stuff for the following in this guide...

Step 1: Kernel. Using vanilla? Skip this step. Now, all you AMD or P4 ect users know that you'll need a modified kernel, so thankfully electro has provided a kernel for you: http://cid-8b65993ef55cf014.skydrive...w%2010a432.rar Once you've extracted it, place it in the root of your Snow Leopard Volume and rename it to "mach_kernel" if needed.

Step 2: A few kexts. Your going to need a few kexts to make it boot, and enhance your Snow Leopard experience.

Here are the kexts that your going to need for a properly functioning SL... (all of which are 64 bit)

FakeSMC v2

Download and Install those kexts and place them in the /S/L/E of your Snow Leo vol. To install the kexts, open up Terminal and type:

sudo -s
cd /Volumes/<<[SnowLeopard]>>/System/Library/Extensions
chown -R root:wheel *
chmod -R 755 *

Step 3: DSDT. Your going to need a modded DSDT to stop the annoying CMOS reset bug.

Download iasl and extract it to /usr/bin on your CURRENT BOOTED VOLUME! - This will allow modification of a compiled DSDT.

Use ~pcwiz's DSDT GUI app to create a DSDT if you don't already have one.. once you have your DSDT.aml located in the root of your volume, open Terminal..

sudo -s
iasl -d /Path/to/dsdt.aml

You should have a dsdt.dsl located in / now, that is decompiled and editable.
open dsdt.dsl and search for "RTC"/ Find

0x08 //Length

below "Device (RTC)" or "Device (RTC0" and replace the "8" (or whatever number it may be) with a "2". So it looks something like this:

0x02 //Length

. here's what it should fully look like:


Device (RTC)
Name (_HID, EisaId ("PNP0B00"))
Name (_CRS, ResourceTemplate ()
IO (Decode16,
0x0070, // Range Minimum
0x0070, // Range Maximum
0x01, // Alignment
0x02, // Length

Save it, and run the following through terminal:

sudo -s
iasl -ta /Path/to/dsdt.dsl

You should now have a compiled DSDT.aml located in /. Copy it to the root of your Snow Leopard volume.


For any other spare kexts that you may need, Take a good look around electro's files for OS X. We owe a big thanks to electro for maintaining, updating and providing us with these files:

Also, if you plan on using 64bit most of the time, I would recommend using an EFI string for your graphics card.

It's time to boot into Snow Leopard! you know how, just hit that reboot button and see what happens! If all goes well, you should be soon watching a nice intro video!

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