credit to 3rr0rists

Preparation

- Snow Leopard Retail DVD, Get from here

- Snow Leopard Boot CD Download Here

- Snow Leopard Kext Download Here

- Bootloader for snow leopard Download Here

Installation

- Insert Snow leopard Boot CD to your DVDROm and boot from cd.

- when chameleon logo appear, eject your snow leopard Boot CD then insert your DVD DL SNow Leopard Retail and press F5.

- Select your Snow Leopard DVD (Macintosh Install DVD) and type :

“arch=i386″ (without quote) to get 32 Bit, if you want get 64Bit SL just press enter.

- Installation like usual, first create partition for Snow Leopard and must in GUID Partition and install, just uncheck language Translation and Printer Driver to take some space HDD

- And Install, after finished installation. reboot, and eject your SNow Leopard Retail DVD and replace with Snow Leopard Boot CD again and then boot from cd.

Post Installation

- Boot With Snow Leopard CD Boot, when chameleon logo appear, select your SNow leopard partition and type : “arch=i386″ (without quote) and following on screen.

- Install SNow Leopard Bootloader, after install select your Snow Leopard Partition and find Folder “Extra”.

- Just Copy All Snow Leopard Kext to Extra Folder.

- Done.

- Reboot, and remove your snow leopard Boot cd. now you can boot snow leoprd without CD Boot.

Update : cmos reset fix

For some Gigabyte user, if get cmos reset after reboot. to fix for it you need to edit RTC section in dsdt.

- Download and extract DSDT Patcher HERE

- Run DSDT Patcher, following instructions in your terminal

eg : Which OS to emulate [0=Darwin,1=WinXP, 2=WinVista]

write 0 then pres enter.

- after Process completed, go to DSDT Patcher folder and then open Debug folder. find dsdt.dsl file and open with textedit. find RTC0 and edit like here :

Device (RTC)

{

Name (_HID, EisaId (”PNP0B00″))

Name (_CRS, ResourceTemplate ()

{

IO (Decode16,

0×0070, // Range Minimum

0×0070, // Range Maximum

0×00, // Alignment

0×02, // Length was 4

)

IRQNoFlags ()

{8}

})

}

“the fix is to decrease length of IO segment from 4 to 2″

- Save, and open Tools folder in your DSDT Patcher folder

- open terminal, drag iasl file in Tools folder and dsdt.dsl file in Debug folder to terminal and press enter

3rr0ristss-Mac-Pro:~ 3rr0rists$ /Users/3rr0rists/Desktop/DSDT_Patcher/Tools/iasl /Users/3rr0rists/Desktop/DSDT_Patcher/Debug/dsdt.dsl

Note : This has to be in one line , not two separate lines

- after Compilation complete “dsdt.aml” appeared in Debug folder.

- copy “dsdt.aml” in Debug folder to your snow leopard partition and reboot.