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Chimera v1.8.0 Changes: Added OS X Mountain Lion boot support, based on  cparm's  patch. Added support for additional ATI video cards. Added additional default ATI video card configurations. Fixed numerous errors with some older ATI video cards. Added support for additional NVIDIA video cards. Back ported the following Chameleon commit: r1827  - Fix for fdisk compile error on Xcode 4.3 NOTE: Proper drivers are required for full graphics support. By tonymacx86

DOWNLOAD: Chameleon 752 | DOWNLOAD: OSX Mountain Lion for Developers

Enjoy, nice for this Valentine's Day

The original installation media for Mac OS X Snow Leopard was a 10.6 DVD. The DVD was only updated once to version 10.6.3. In order to provide more frequent updates to users, Apple is now slipstreaming the latest version of Lion directly into the download. Upon fresh installation, no updating is necessary! If you purchased Lion from the App Store prior to February 1st, 2012, you most likely have 10.7.2. To re-download Lion and update your App to 10.7.3, simply log into the Mac App Store and click  Update. When the download finishes, the app will automatically open. The updated 10.7.3  Install Mac OS X Lion  App can be found in the Applications folder. If you don't see the Update button, follow this simple procedure.      1. Delete your existing copy of  Install Mac OS X Lion.app  from Applications folder.      2. Hold down the  alt/option  key on your keyboard, and click the App Store icon.      3. With...

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Unix Flags that might work in OSX. See subcategories for details This list is mostly AMD specific boot options & for 64bit CPU's. Might also help with Intel CPU's. This list needs extensive testing & feedback but most of these flags do work in OSX. Once more info is gathered They will be categorized into the lists above Machine check Options Flags mce=off = Disable machine check. For compatibility with i386. Might help boot some AMD systems. nomce does the same same as mce=off mce=bootlog = Enable logging of machine checks left over from booting. Disabled by default on AMD because some BIOS leave bogus logs. If your BIOS does not do that it's a good idea to enable this log to make sure you log every machine check event that result in a reboot. On Intel systems it is enabled by default. mce=nobootlog = Disable boot machine check logging. mce= tolerancelevel (number from list below) 0: always panic on uncorrected errors, log corrected errors 1: panic...

kernel name "mach_kernel" This flag simply tells the system to boot from another kernel available in / (aka root). fsb=<mhz> = Most of the hacked kernels include the possibility at boot to chosen FSB frequency. These flags DO NOT work with any known vanilla kernel. Do testing with the below values to see what works for you. The default value is 200Mhz. If you want different value, you have a few possibilities. Ex: kernel name "netkasSS_kernel" Ex: fsb=800 or use one of these flags below: -g = For frequency's multiplied by 100 Mhz -y = For frequency's multiplied by 133 Mhz -z = For frequency's multiplied by 166 Mhz * You can easily add either the -y, -g, or -z options to your boot.plist file or use the fsb=<mhz> flag to give it an exact figure. I have not tested the fsb=<mhz> flag but the -y gave me the correct 800fsb (100mhz x 8) and boosted my performance to where it should be in OSX. This may not change the FSB in abo...

Note: Any flag can be added to your boot.plist but these are just the common ones. "Boot Graphics"=Yes = Yes or No. Use graphics mode or text mode when starting. Turns off vesa mode graphics at boot. "Quiet Boot"=Yes = Yes or No. Use quiet boot mode (no messages or prompt). Same as adding -v option. Timeout=3 = Any number 1-100. Number of seconds to pause at the boot prompt. debug=0x144 When added as a boot flag to your com.apple.Boot.plist will give you details about a kernel panic you have at any time when running OSX. I believe it is the same as debug=0x100, not sure. Kernel level flags: -l = The flag attempts to enable the L2 cache if not already enabled. Not sure if this works on hacks. If your having an L2 cache issue try this flag. cpus= Tells the kernel how many cores there are in place. Ex: cpus=1 OR cpus=2 idlehalt= Lets you set two values ether 1 or 0 stating true or false, if set to true then at idle time the cpu will halt ca...

-v = verbose mode. Basically tells you wants happening during boot up. -x = Safe mode. Basically boots your system with the bare minimum kexts. -s = Single user mode. Command line only mode. Allows you to run commands as root to fix system. -f = Tells the machine to reload all kext and dump the boot configuration cache, (kext cache found in: /System/Library/Extensions.mkext, you can delete it manually and the system will recreate it). "Graphics Mode"= Tells the system what resolution width, height, color depth & refresh rate to boot the OS with. Ex: "Graphics Mode"="1024x768x32" WIDTHxHEIGHTxDEPTH For VESA 3.0 graphics, you may append a refresh rate after an "@" character Ex: "Graphics Mode"="640x480x32@60" WIDTHxHEIGHTxDEPTH@REFRESHRATE rd= This parameter state what is the boot disk to use (instead of using the boot menu appearing before the prompt) you state the drive and partition in here: diskXsY where...

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The true is this happen for a lot of things, but this guide will help a lot of users. 1. Boot from the rBoot CD 2. While hovering over the OSX partition, type in mach_kernel   rd=disk0s2 3. OSX started up fine, and then to avoid the need of keeping the rBoot disc in 24/7 to get into OSX, simply reinstall Chameleon. :)

You only need to add:  npci=0x2000 to Kernel Flags in /Extra/ org.chameleon.Boot.plist :)

Fix video, wifi, LPC, SD-card reader.   LINK

Change Log from L1 to L2: - 10.7.2 main system > Finally, Lion main system is completely OK for this release, though we are running it on real Macs. We discovered that previous release L1 and most retail installations starting from 10.7.0 have problems, especially for sandybridge hardware, tested on real Macs.. Upgrade installations from Snow Leopard are OK but they work slower than usual. :arrow:I recommend iATKOS L2 release or retail installs using only the full 10.7.2 retail package. - Bootloaders updated > Chameleon 2.1 svn r1650, Chimera 1.6 - DVD boot > updated to Chameleon 2.1 svn r1650, patched IOPCIFamily driver added, Non-AHCI ICHX SATA/IDE driver added, AHCI SATA driver updated, npci=0x2000 flag added - Updated drivers, packages > /Extra/Extensions option removed AHCI SATA driver updated Intel Non-AHCI ICHX SATA/IDE driver added SSD Trim support added USB 3.0 driver updated PS/2 driver updated and laptop keyboard problem solved Laptop Battery driver added GF100 ...

For the Trackpad - I suggest you try the Kext from the following link: http://www.osx86.net/downloads.php?do=file&id=1448   Its from the GM of Lion, but for us - it actually worked, where as the 10.7.2 kext did not. Don't bother with the prefspane install if you simply just want the trackpad working. Replace the two kexts with the one from the zip , then use kext utility to repair permissions (inlcuded in L2. Use finder to goto Utilities/Tools. Thanks to mrotacon

Probably this is the first complete and working guide available on internet to install Mac OS X 10.7 Lion on VMware in Windows 7 Intel PC. After several days of searches, attempts, reading and collecting information from different places, I managed to install latest Mac OS X Lion 10.7 on my Intel Core2duo computer with VMware workstation in Windows 7. This method should work in VMware Player also, but I prefer workstation because of Snapshot feature. I don’t think you would face any issues on other types of Intel processors, but make sure you have Hardware Virtualization Technology (VT), 64 Bit, and Core2duo or later supported processor. I’m not sure about AMD processor users. Someone please try and update in comments area for AMD processor with Lion on VMware. This method is completely for testing and learning purpose only. What You Need? VMware workstation 7 Lion OS X bootable VMDK file  created from original installation medium (DVD or ISO file) –  Check this guide and mak...

1. First, make sure you partition the drive as GUID 2. Format the OS X partition as Mac OS X Journaled, and the Windows 7 partition as MS DOS FAT 3. Install Windows 7 first , and remember that there is a hidden partition (Win7 would be Partition 3 instead of 2). 4. Then install iATKOS (Mac OS X) and Chimera and you'll be able to Dual Boot. Thanks to TonyMac

How-to use: 1. Drop files on its icon or on the open application. 2. Type your password (for root access) 3. Click Easy Install button. 4.Wait for confirmation and do a reboot to enjoy your new (hopefully working) kexts. Advanced features: Shows output from shell as script runs. kext permissions: sets permissions to all files in your extensions folder. make script: makes a install script for the chosen kexts. tag cache rebuild: makes script for touch extensions folder, so cache gets rebuild on next boot. Run ->: runs the current script, so be sure you got no errors if you edited it. Backup: When you already have a file with the name you are installing, the old one will be put in a folder name "Backup Extensions" on the root of your system disk. Known issues: Doesn't support files with spaces in the file name (spaces in the path to the file works fine). Use at your own risk. I hope you find it useful. Download: Kext Helper b7.zip source

Toleda has released two new patched AppleHDA audio drivers designed to optimize any motherboard with the Realtek ALC 889 or Realtek ALC 892 audio codecs. This is the best and most complete support that we've ever seen. The new one-kext solution supports most Mac OS X Lion analog and digital audio capabilities. It is designed to be an alternate or replacement for the combination of both AppleHDA Rollback and ALC8xxHDA. Proper DSDT edits are still required. One unique feature of the driver is the ability to alternate between 2 different layout-ids, enabling either most onboard devices, or HDMI audio with slightly limited onboard devices. For example, in order to get HD 3000 HDMI audio, you will need to change your layout id in your DSDT's HDEF section to 389. The default 889, used in the DSDT Database, will enable the optimal onboard analog and digital options. Download AppleHDA for Realtek ALC 889 Download AppleHDA for Realtek ALC 892 source

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Download Kexts Still waiting for root device error occured because the appropriate Sata/Pata driver isn’t being loaded . This error usually appears before OSX86 DVD can boot and in some cases it occurs after installation. Actually this error means that the OS is set to boot from a drive and partition that does not exist or your bootloader is not able to discover the partition. Step 1 Jumper Settings : If your system contains IDE hard disk or DVD RW then you need to play with your jumper settings. If the following settings are not working for you try vice versa. if you have Sata Hard Disk and DVD RW skip to step 2. Your rom/writer must be set as Primary Master. Your hard-disk must be set as Primary Slave . Step 2 Tweaking the BIOS : If you satisfies step 1 then time is to play with BIOS settings. Open your BIOS settings by pressing DEL or F2 key continuosly as you starts your PC. Once the BIOS screen appears try to find and change following options if they are available. ATA/IDE M...

Ufuk Durgun wrote: "There is no such plan. We can think about it only if there are serious issues with the upcoming 10.7.3 update"

Just built a custom system using the components listed below and then installed iAtkos L2 using the Customise options also listed below: Components Asus P8Z68-V PRO Z68 Socket 1155 8 Channel HD Audio ATX Motherboard Corsair Vengeance 16GB (4x4GB) DDR3 1600Mhz CL9 1.5V Non-ECC Unbuffered Be Quiet 530W Pure Power PSU WD 1TB 3.5" SATA-III 6Gb/s Caviar Black Hard Drive - 7200rpm 64MB Cache BitFenix Shinobi Black Mid Tower Case Intel Core i5 2500K 3.3GHz Socket 1155 6MB Cache Retail Boxed Processor LiteOn iHAS224 24x DVD±RW DL RAM & Lightscribe SATA Optical Drive - OEM Black Microsoft Digital Media Keyboard 3000 - USB Microsoft Comfort Mouse 4500 5 Button - Wired USB with Bluetrack Technology HANNS-G HH221DP Full HD TFT LCD 21.5" DVI-D Monitor with Speakers Asus GTX 550 Ti 1GB GDDR5 VGA DVI HDMI PCI-E Graphics Card iAtkos Customise Settings used Bootloader --- Chameleon 2.1 (default) Bootloader Options --- Graphics Enabler (default) --- Built-in Ethernet (default) Patches -...