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Success! P35-DQ6 E6750 EFI_Bootloader V3 Stock kernel

Royston Koh

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Specification :

Motherboard : GA-P35-DQ6

CPU : Intel E6750 Core2Duo @ 3.6 Ghz

RAMs : 2 X 1GB Crucial Ballistix Tracers @ 450Mhz 4-4-4-12

HDDs : 2 X 320 GB Seagate 7200.10

1 X 500 GB Western Digital AAKS

GFX : ASUStek EAX1900XT 512MB [Modded with XTX BIOS]


Here are my Xbench 1.3 scores.

Results 198.12

System Info

Xbench Version 1.3

System Version 10.5 (9A581)

Physical RAM 2048 MB

Model ACPI

Drive Type ST3320620AS

CPU Test 208.28

GCD Loop 425.00 22.40 Mops/sec

Floating Point Basic 205.61 4.89 Gflop/sec

vecLib FFT 168.27 5.55 Gflop/sec

Floating Point Library 165.41 28.80 Mops/sec

Thread Test 350.24

Computation 326.51 6.61 Mops/sec, 4 threads

Lock Contention 377.68 16.25 Mlocks/sec, 4 threads

Memory Test 244.21

System 298.73

Allocate 388.81 1.43 Malloc/sec

Fill 236.97 11521.95 MB/sec

Copy 307.64 6354.28 MB/sec

Stream 206.52

Copy 195.27 4033.23 MB/sec

Scale 200.90 4150.46 MB/sec

Add 215.81 4597.23 MB/sec

Triad 215.71 4614.51 MB/sec

Quartz Graphics Test 351.56

Line 277.50 18.48 Klines/sec [50% alpha]

Rectangle 381.42 113.87 Krects/sec [50% alpha]

Circle 302.14 24.63 Kcircles/sec [50% alpha]

Bezier 287.60 7.25 Kbeziers/sec [50% alpha]

Text 826.49 51.70 Kchars/sec

OpenGL Graphics Test 354.97

Spinning Squares 354.97 450.30 frames/sec

User Interface Test 530.15

Elements 530.15 2.43 Krefresh/sec

Disk Test 62.37

Sequential 91.49

Uncached Write 142.92 87.75 MB/sec [4K blocks]

Uncached Write 140.51 79.50 MB/sec [256K blocks]

Uncached Read 43.19 12.64 MB/sec [4K blocks]

Uncached Read 154.85 77.82 MB/sec [256K blocks]

Random 47.32

Uncached Write 17.46 1.85 MB/sec [4K blocks]

Uncached Write 101.21 32.40 MB/sec [256K blocks]

Uncached Read 93.12 0.66 MB/sec [4K blocks]

Uncached Read 150.74 27.97 MB/sec [256K blocks]


I've installed Leopard from a flat img and did not patch it with BrazilMac patch instead I used EFI Bootloader and it work as if it's a real Mac.


I only have to install the kexts for Audio, Graphic, and ICH9R.


Here are some screenshot.














Reboot, Boot without problem.

Booting to Leopard with Windows XP bootloader Chain0 method.

Partition made to full size by mergePartition cmd.


So if anyone's using the same specification as me.

You can run leopard perfectly!


For SATA to work you'll have to set to ACHI mode in BIOS.


Here are the kexts I use.



Realtek 889a Kext


X1950XT Leopard 0.2 Installer.pkg


Hope this thread help solving some of your problems.


This is my 2nd day using Mac and I'm glad that all is well.

Day 1 was horrible unable to boot, SATA not working etc.

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I'm glad for u :blink:


I installed Leopard Flat Image and after all booting I got this screen: pa160076mh5.th.jpg


Can You help me?


My machine:


Intel Core2Duo E6750 2.66Ghz

Gigabyte P35 DQ-6

2GB OCZ 800Mhz

160Gb SATA Hitachi (Leopard flat image)


Sapphire 2600XT 256mb


May be my problem is in video driver?

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Hi,I'm glad for u :) I installed Leopard Flat Image and after all booting I got this screen: pa160076mh5.th.jpgCan You help me? My machine:Intel Core2Duo E6750 2.66GhzGigabyte P35 DQ-62GB OCZ 800Mhz160Gb SATA Hitachi (Leopard flat image)500Gb SATA2 WD AAKSSapphire 2600XT 256mbMay be my problem is in video driver?
I think it's your graphic card.
Whoh. Ok, does this mean that you're running an unhacked version of Leopard? That you can install software updates without a problem?Can I create a "flat image" (still not entirely sure what this means) from my official leopard disk?
Well. I convert flat image to a disk image so I could restore onto a partition then I installed darwin and efi bootloader v5.1I'm running 10.5.1 right now :)Look at my signature

No idea why.

My xbench score falls :)

Changed my GFX from 1900XTX to 8800GTS 640MB





From 198.12 fall to 178.04


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  • 1 month later...
Royston Koh, Congratulation for your success !!


I have almost identical H/W. Nearly all works, except reboot & shutdown. Would you please kindly tell me how you fix it ?

Thanks !!!

a kernel with the fix



roy.. what driver you using for your GTS? And where'd you get it?


found on mIRC.

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hi i have this same mobo with a Q6600 cpu instead. i installed kalyway 10.5.1 and all i get is a blinking cursor. could you explain how u installed your osx please? like any special bios features u had to use, or MBR or guid was used etc?


thanks alot :)

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  • 3 weeks later...

Just installed Kalyway version on a Gigabyte DQ6 with an E6600, 8800 GTX.


I had troubles with iATXOS when the nic would just stop working after rebooting a few times.

With Kalyway I was afraid the Marvall nic wasn't supported as it wasn't an option during install, but it works as here I am (although seeming slower than iATXOS version, maybe driver isn't as good).


The 8800GTX isn't perfect as it isn't displaying all the RAM.


I used 1 drive wiped clean for OSX and used MBR. Already had XP, then Vista installed and using Vista bootloader. Then installed OSX and booted to Vista and used EASY BCD to change and add OSX option.


All 3 boot great now.


Going to see if I can't get my X-FI Soundblaster working...


Xbench 138.02 (disk was 71.91?! on WD RE YS(enterprise) 250 GB SATA AHCI enabled in bios. Something might be amiss there.



EDIT: nic failed again. grr.

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