Just installed v10.5.5 - System non starting

[Galifar]

Hi, I have just installed osx86 v10.5.5 on my pc (intel e8400 cpu, 4GiB ddr2, Asus p5q pro motherboard, ati hd4870 gpu) but I can't get it working. the system stops at the gray screen with apple logo. starting with -v option gives me this output

 

npvhash=4095
hi mem tramps at 0xffe00000
PAE enabled
64 bit mode enabled
Darwin Kernel Version 9.5.0: Wed Sep 3 11:29:43 PDI 2008; root:xnu-1228.7.58~/RELEASE_I386
standard timeslicing quantum is 10000 us
vm_page_bootstrap: 974735 free pages and 73841 wired pages
mig_table_max_displ=79
Extension "com.apple.driver.AppleACPIPlatform" has immediate dependencies on both com.apple.kernel and com.apple.kpi components; use only one style
AppleAPCICPU: ProcessorApicId=1 LocalApicId=0 Enabled
AppleAPCICPU: ProcessorApicId=2 LocalApicId=1 Enabled
AppleAPCICPU: ProcessorApicId=3 LocalApicId=130 Disabled
AppleAPCICPU: ProcessorApicId=4 LocalApicId=131 Disabled
Loading security extension com.apple.security.seatbelt
calling mpo_policy_init for mb
Seatbelt MACF policy initialized
Security policy loaded: Seatbelt policy (mb)
Loading Security Extension: com.apple.nke.applicationfirewall
Loading Security Extension: com.apple.security.IMSafetyNet
calling mpo_policy_init for IMSafetyNet
Security policy loaded: Safety net for Time Machine (IMSafetyNet)
Copyright © 1982, 1989, 1991, 1993 The Regents of the university of california. all rights reserved.
MAC framework successfully initialized
using 16384 buffer headers and 4096 cluster IO buffer headers

 

any ideas?