![]() In Windows you should see windows installs the new AHCI drivers. Now it is time to write the new MBR to disk : diskutil umountdisk /dev/disk0ĭd if=patchedcode.bin of=/dev/disk0 bs=440 count=1Īll done ! now reboot into windows : shutdown -r now It will make a backup from your MBR to backup.bin Put in your USB stick, change directory to it and run the following command : dd if=/dev/disk0 of=backup.bin bs=512 count=1 if yours is different you may need to change it. you should get the option to boot from CD or USB stick.īoot from CD or USB stick and Open a Terminal Window.įirst lets get a backup from current MBR so in case of any problems we can roll back to it.Īlso please note I am assuming your windows disk is /dev/disk0. When you hear the boot sound (the white screen appears) hold down the option (alt) key. Put the bootable CD or USB stick into your computer and reboot. Now we need to boot using a Linux Live CD or MacOSX Install Disk. Put the patchedcode.bin on a USB stick which we can use later. HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\IastorĪlso we need the modified MBR which you can download from here : patchedcode.bin HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\IastorV ![]() Open your Windows registry editor and make sure “Start” Value in the following keys are set to 0. if you miss this step you will get a BSOD on booting windows and you will need to restore old MBR for windows too boot up. ![]() You may confirm it in device manager of Windows.įirst step is to make sure windows tries to load AHCI drivers after AHCI is enabled in boot loader. If you have Nvidia chipset, it will not work for you. This workaround only works for Macs with Intel disk controllers. You will need to modify the Master Boot Record of your Windows drive. Hopefully there is a workaround for this fraud of Apple. for example you wont have TRIM support on your SSD disk on your Windows.īy doing so, Apple gives you this feeling that Windows is slower than Mac OSX on the same hardware. By disabling AHCI (which you have already paid for it and Apple hardware has this feature) it forces Windows to use ATA controller disk drivers which is considerably slower than AHCI and has less features. Apple does all the dirty tricks to show the iSheeps that Apple is a superior brand and provides superior performance compared to competition, the last one I found is that it disables AHCI support for Windows on its hardware. ![]()
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