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Hi, I used MaciASL to compile new DSDT.aml using 'P8Z77-I Deluxe v1.01' patch from pjalm repo, and then I applied the USB3 _PRW 0x6D DSDT patch, which is also in MaciASL. HTH

I've fixed it!!! I did some searching around and tried a few suggestions. Ultimately the one that worked was the USB3 _PRW 0x6D DSDT patch. The compiler generated some errors, but I removed all offending lines and now I have sleep!! :-D Need to test for a few days to make sure the install is...

No worries, thanks for your suggestions :-)

Thanks again. Still not working but different results now: Initiate standby > monitor standby & PC standby (for about 3s) > PC & monitor out of standby. Previously it was: Initiate standby > monitor standby & PC standby (for about 3s) > PC loops between On/Standby. Monitor stays in standby...

Thanks for that. I've added and restarted, unfortunately sleep is still behaving in the same way.

It was there from install, I've pretty much left the Clover settings alone as it's new to me. But I had been looking at that with suspicion. I'll remove it and reboot for good measure.

Hi all, been away from the scene for a while and decided to dive back in and install Sierra on my gaming rig. All is working well except for sleep, for which I would greatly appreciate some assistance. When I put to sleep, the display goes into standby immediately, the PC takes around 10secs...

Hi Seahawk, I am not sure there is much of a difference. According to GB's website the rev. 1.0 also supports PCIe3 and the Ivy Bridge processors as of BIOS F10, but I've no personal experience of this. My mobo is the 1.0.

Hi munkicloud, we have the same mobo, in fact I actually have a couple, so it would be great if I could get the ALC887 working but like you I have tried quite a lot (Lion/ML edited kexts and layouts ids) and it now seems that it simply doesn't work with just these edits. I have HDMI audio...

Hi, in the UEFI boot menu there might be 2 options listed for your usb key, one of them is prefixed with UEFI, this one does not work and you must use the other one to boot Chimera. Perhaps that is your problem? Certainly it would manifest in the same way.

I had a very similar problem on another build with a GT630. To get around it I did this: remove the hard disk and add it to another system capable of running OSX (internal or via USB (i.e. dock) is fine). install OSX to the hard disk. I used the vanilla ML installer on my mba (specifying the...

Hi Toleda, I have attached a zip with the ioreg w/legacy kext loaded (hdacodecrevision is 100202). Also chucked in my dsdt and the output from bdmesg & dmesg (which include the audio assertion errors) for good measure. Would it be useful having an ioreg dump with a working Voodoo kext running...

Hi Toleda, thanks for replying. Yes, I tried both kexts: legacy and contemporary to no avail. I've also tried the 10.7.4 kext and the lion layout id but also no joy. So today, just in case I missed anything, I tried a fresh install of 10.8 and a rebuild of the DSDT: dtgp, lpc ich7, hpet, irq...

it's a bit tricky to diagnose without the exact messages. Anyhow, not all CPUs are equal, though I would have thought most 2600K's would do 4.2 without a problem. You might need to pump up the vcore voltage a little, though really you should take a look at proper overclocking guides for a...

Apologies, I have attached them to this post. Thanks for taking a look.

Hi Toleda, thanks! that got my HDMI audio working and I can now see the Intel High Definition Audio in System Information, but unfortunately not in System Preferences, only Airplay and HDMI are displayed. I have tried layout-ids 1 & 2 and used both legacy and non-legacy versions of your kexts...

Thanks Toleda, that makes sense, I'll amend the DSDT in the morning and report back. Regarding the layout-id 2, this mobo only has the 3 ports at the back, though I guess if you include the front panels ports that would be 5, and therefore layout-id 1, is that correct? Thanks again

Hi Toleda, I have recently got your optimised AppleHDA for ML working for ALC889 and HDMI audio on an Intel DH57JG and Radeon HD5670 HTPC and it has been working beautifully since. THANKS! So, I thought I'd try and do the same for an older system using a Asus P5QPL-AM and a GT 630...

For those testing with ATI framebuffers, recently I created a document (based on ati-personalities.pl output) which includes a description of each physical connector in each framebuffer. It was useful to me for helping determine which framebuffer was most appropriate. Hopefully it might be...

You'll probably need to keep most of the kexts but to bypass the loading of the DSDT you can use DSDT=/dev/null at the boot loader. Once you have confirmed that it works as expected then you can delete or rename the /Extra/DSDT.aml file.