I will remove 20GB HDD but I have DVD RW that is IDE. Problem is that I had working ATA devices, but I can not remember wich one kext I used. I've downloaded 10

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MBO: Gigabyte P35-DS3R BIOS F6
CPU: Core2Duo 2GHz E4400
GFX: nVidia 8500 GT 512MB (working Leo, working Snow Leo)
MEM: 4GB DDR2
HDD1: Segate 160 GB SATA2 - Leopard 10.5.8
HDD2: WD 20GB IDE - Win 7
HDD3: WD 320GB SATA2 - Snow Leopard 10.6
DVD RW: LG DVDRW DL 18x IDE