This version don't boot with my specs . "Waiting for root device" error

Prudenth

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Motherboard:MSI K9A2 Platinum
Processor: AMD Phenom 9850 BE OC 2700
Memory: 6GB Corsair Dominator DDR2 1066
HD SATA 260 GB (Vista) , 160 GB (XP), 30GB IDE (MacOS)
DVD-Writer Lite-on IDE
Graphics: PNY Geforce 8800 GT (QE not sopported)
Audio: ALC888/ALC888T 3ch (working)
OS: XP /Vista 32 /MacOS X LawlessPPC 10.5.4