Found a working 2011 patchcode here:
Worked on my 17 inch late 2011 perfectly. Also for the inexperienced pretty good instructions I'd say.
It's on the forum now where it belongs
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Hi, i'm Italian, sorry for my english.
I have a 27" iMac 10,1 late 2009. I have installed a samsung 840 evo 250 GB instead superdrive.
I have 1TB mac original 7200 rpm hard drive and the sad instead superdrive. I have 2 partitions in SSD one with mavericks and the other with windows 8.1.
Can i enable AHCI mode? What is the correct procedure? Exist a program? Thanks
i added a Samsung 840 EVO 250GB SSD to my Mac Mini mid 2011 and Windows 8.1 Pro.
Got it working with the original patchedcode.bin and the following steps:
Process I used:
1. Checked the registry that
HKLM/System/Current Control Set/Services/storahci -> Start = 0
HKLM/System/Current Control Set/Services/iaStorV -> Start = 0
Also in both keys /StartOverride -> 0 = 0
3. Reboot into the OS X setup disk, open the Terminal utility
4. unmount all volumes on my SSD
"diskutil umount /dev/disk0"
5. Backed up old MBR
"dd if=/dev/disk0 of=backup.bin bs=512 count=1"
5. Overwrite the MBR with
"dd if=patchedcode.bin of=/dev/disk0 bs=440 count=1"
Also i did not have to install any SATA drivers.
Just wanted to share this because the first post mentioned that it would not work with the aluminium minis.
EDIT: Using the Intel RST driver nearly doubled the IOPS.
EDIT: Sleep doesn't work, second drive (HDD for me) works.
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