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AHCI in Boot Camp (2011 iMac)
- Thread starter skyrider
- Start date
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Seconding this.
I'm not overly keen on doing the MBR editing yet. But the AHCI would be nice for NCQ and proper TRIM in Windows 7 for me.
Precisely.
I have achieved this with my 2011 MBP & the performance increase is significant.
However I don't believe that the MBR mod is applicable to the iMac, hence my question.
I know you can do this on a windows machine by changing one of the value in regedit from 0 to 3. However this should only be done if the hard drive in BIOS is set to AHCI and not IDE, or there is a chance you will get the blue screen when try to boot into windows.
I cam post where to edit in the regedit if you feel brave.
I cam post where to edit in the regedit if you feel brave.
I know you can do this on a windows machine by changing one of the value in regedit from 0 to 3. However this should only be done if the hard drive in BIOS is set to AHCI and not IDE, or there is a chance you will get the blue screen when try to boot into windows.
I cam post where to edit in the regedit if you feel brave.
Thanks for your reply.
The regedit is required as part of the procedure; however that is only part of it.
Macs don't have a BIOS so you can't simply enable AHCI in the BIOS as in a Windows machine. What it requires is the MBR to be edited in the Mac OS in order to enable AHCI when booting into Windows.
I know how/what to edit in the MacBook Pro but I don't know the equivalent hack for the iMac which has a different chip.
This guy looks like he's done it on a 27" iMac. Perhaps you could ask him what he did.
https://forums.macrumors.com/posts/12777761/
Cheers,
https://forums.macrumors.com/posts/12777761/
Cheers,
I have posted a request for the info in the 'WEI' thread.
I have also tried to contact the member concerned (Mashuri) by PM & email requesting this info but no reply as yet. If I hear anything I'll let you know...
FYI: I know how to do this in the 2011 MBP but I don't know if the procedure is valid for the iMac.
I may try it on the iMac anyway, just out of curiosity. What's the worst that can happen?
That would be me who did it. I posted a new thread since there is so much interest:
https://forums.macrumors.com/threads/1177913/
https://forums.macrumors.com/threads/1177913/