install snow leopard problem

[bwoolf]

hello
i try to install leopard into this machine
:Snow_Leopard Hazard, ideneb , iatkos 7 and some others but no luck
mobo : tyan s4985
CPU : AMD X4 opteron 8354 (4x CPU quad)
RAM : 8G ECC 667
GPU :Nvdia quatro fx 1700
soundblaster
chipset : nforce pro 2000
and after 30 sec always reboot
i try f 8 and -v and show me this : http://img842.imageshack.us/i/img4021.jpg/
what can i do ?
thanks in advance !!!!