Stays at loading screen- ML on MSI Z77A-G45

[njmac]

After reading review on Z77A-G45, decided to use this one for my next system. Downloaded Mod Bios from http://biosrepo.wordpress.com/msi/
(Link: http://bios.zmac.net/msi/MSI-Z77A-G45-270_modified.zip) and successfully upgraded bios versin from 2.0 to 2.7(moded)

Following is my configuration:

i. Core i5 3550 (HD2500)
ii. MSI Z77A-G45
iii. MSI 560 GTX-SE
iv. GSkill RIP Jaw 4 GB(will add another slot after success)
v. Cooler Master 400 Watts
vi. WD Caviar Blue 500 GB(16 MB Cache)

Following assets were used:

User unibeast 1.5.3/ ML App downloaded(10.8)/ Multibeast 5.2.0/ combo update 10.8.2


Followed Darfweder's post and a Buyers's guide:
http://www.tonymacx86.com/user-builds/80052-darfweders-build-msi-z77a-g45-i5-3570k-16gb-hd4000.html
http://www.tonymacx86.com/buying-advice/73558-z77-matx-motherboards-os-x.html


Tried the method as explained; did a clean install; restarted, run combo update; Multibeast and it never went ahead of loading screen.
After trying numerous things finally got a success without running combo update. I've tried to illustrate both the cases below:



1. First Install was a success, Booted using unibeast with a boot flag PCIRootUID=0, Installed 10.8 using unibeast, restarted & used Multibeast with following options


UserDSDT or without DSDT
Drivers & Bootloaders / Drivers / Audio/ Realtek ALC8xx / With/Without DSDT depending on if you got the DSDT / ALC892
Drivers & Bootloaders / Drivers / Network / Lnx2Max's RealtekRTL81xx Ethernet

On a restart, had a successful build.

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2. Did another fresh install, as above, before running Multibeast this time, installed combo update 10.8.2, used same options & restarted.
The spinning wheel(loading screen) stays, keeps on spinning as thats it. Did various restarts, without any flag and with PCIRootUID=0, GraphicsEnabler=No/Yes, npci=0x3000, none worked.

used -v & clicked a snap shot of error; Please see attached

an warning displayed is :

IOPlatformPluginUtil : getCPUIDInfo: this is an unknown CPU model 0x3a
- - power management may be incomplete or unsupported

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Well could not make out what wrong am I doing, after all it was same CPU in first install.

 

[thor4x3]

I have the same thing happening the only way to boot isa with -x