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The Guide to End All Guides for Asus P5GC-MX 1333


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This is a guide to get Kalyway 10.5.2 with the vanilla kernel running on an Asus P5GC-MX 1333 rev. 2.0 board and update it to 10.5.5.


This guide assumes you have the following hardware:

  • Asus P5GC-MX/1333 LGA 775 Intel 945GC Micro ATX Intel Motherboard
  • Any Intel processor that can run the stock kernel (Such as an Intel Pentium E2180)
  • Asus WL-138g V2 PCI Wireless Adapter (Note the "V2". That is very important.)(link)
  • Any compatible memory, mouse, speakers, and IDE or SATA DVD-ROM drive and hard drive
  • PS/2 keyboard for the install (For Darwin bootloader). Any (USB or PS/2) keyboard after the install.

Other notes:

  • You will not be able to use the onboard ethernet port

First thing's first. The BIOS settings are crucial to get everything functioning. The following settings are the important ones:

  • USB: Enable
  • Legacty USB Support: Disable (Computer will not wake if enabled)
  • USB 2.0 Controller: Enable
  • DVMT Mode Select: Fixed Mode (Computer will have sleep issues if DVMT is used)
  • DVMT/Fixed Memory: 64MB
  • Suspend Mode: S3 Only (I've used Auto without a problem but S3 is recommended by others on the board)
  • HDAudio Controller: Enable
  • Onboard PCIEX 10/100MB LAN: Disable
  • Execute Diable Bit: Enable (osx86 will not boot if enabled)

On the motherboard, set jumpers to pins 2-3 for PS2_USBPWR. This is needed for your computer to wake from sleep. (Link)


After the BIOS settings are set, load up the Kalyway disc and boot up. Run Disk Utility to format your hard drive as GUID. Name your partition without using any spaces (This is a bug on the Kalyway disc).


On the customize screen, the only options you want to check are:

  • kernel vanilla 922
  • gma950* (Choose this if you are using the onboard GPU. Read below to use a more powerful video card.)
  • intel nvidia via ati hdaudiocontroller
  • nvidiaac97audio
  • realtek sigmatel conexantanalogdeviceshdaudiocodec
  • lastnetkassmbios
  • timemachinefix
  • intelmemorycontroller (optional [a href=http://forum.insanelymac.com/index.php?s=&showtopic=98461&view=findpost&p=704450]link[/a])

So there should be ONLY a total of 8 check marks. The third party applications are an exception.


Press install and wait 20 minutes everything will load up. Sound, video, and WiFi will work right away. You can start enjoying your new computer.


The following is for people that want to update to 10.5.5


To update to 10.5.5, you will need a different graphics card such as, oh let's say, an eVGA nVidia 8400GS 256MB PCI-e card (The GMA950 has some issues starting from 10.5.3 and up). Connect your VGA cable from the monitor to the DVI-out on the video card using using a VGA-to-DVI adapter. Install 10.5.2 using the Kalyway disc but this time uncheck the GMA950 option and check NVinject-256. After the install, run kalyway_10.5.3_comboupdate following its directions. After the reboot, run Apple's 10.5.4 Delta update. After the reboot, in Terminal type the following:


sudo -s
while sleep 1; do rm -rf /System/Library/Extensions/AppleIntelCPUPowerManagement.kext; done


Run Apple's 10.5.5 Delta update. Do not press restart. Type the following keystroke in Terminal:




Now you can press Restart on the 10.5.5 updater. (Link) After the restart, run 9f23installer.pkg. Select NVInstaller and EFIStudio. EFIStudio will start automatically. Select 8400GS 256MB and Insert into com.apple.boot.plist. Reboot.


This next part helps update AppleSMBIOS.kext and gets iMovie '08 working.


Find AppleSMBIOS-27 (Fourth release, AKA, Revision 6) iMac version. Use kexthelper to install it. Edit it enter in your computer's values.


sudo -s
nano /Library/Preferences/SystemConfiguration/com.apple.Boot.plist


Insert whatever your computer's values are.


<key>Kernel Flags</key>
<string>MemSpeed=800 MemType=DDR2 SerialNum=W55111APPL3</string>


Then press the following:


touch /Library/Preferences/SystemConfiguration/


Thank you to everyone on this forum that has helped me set this up. I have added links in this post where I got the information from--so credit really goes out to them.

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