Solved with this guide :

iAtkos S3 Main System
Bootloader
• Chameleon V2 RC4
Patches
• Leave as is (No Changes)
Main Hardware
• SATA/IDE: INTEL SATA/IDE
• Sound: Voodoo HDA (See Issues below)
• PS/2: Voodoo PS/2
• CPU Power Manager: Voodoo P-State
• Laptop Hardware: Battery, Card Reader, TSC Sync
• VGA: INTEl, EFI String, GMA 950 27A1(32Bit), GMA 950 27AE(32Bit) (choose Both)
• Network: Wired= INTEL PRO V100

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CPU : INTEL CORE 2 DUO 3GHZ
Motherboard : GA-EP43-S3L (F7 Bios)
VGA : GEFORCE 8800 GTS
@SL 10.6.6 (32)