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[SUCCESS] [need help for perfection] Yosemite 10.10.1 on Intel DQ77KB - Core i7 3770T with integrate

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Motherboard
Yosemite 10.10.2
CPU
i7 3770T
Graphics
Intel HD 4000 (integrated)
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[complete SUCCESS] Yosemite 10.10.1 on Intel DQ77KB - Core i7 3770T with integrated HD 4000

NB: if you see missing information, let me know, I'll complete. It's easy to forget a detail that then cost hours so just ask.

This is a FANLESS configuration
- specific small factor case for passive heat dissipation (my model is not sold anymore, I bought it from Aleutia.com, model Relia)
- motherboard Intel DQ77KB with core i7 3770T (the T is *very* important here, it's low consumption e.g. low heat)
- 8Go RAM + SSD
- 2 USB2 + 4 USB3
- 2 ethernet (I use the second to give direct internet access to my VMs).
- 1 Display Port + 1 HDMI

The installation is rather straightforward following the official instructions.

Sources where I got the right information to succeed:
- for Yosemite: the general instructions on TonyMac
- for this motherboard: http://www.tonymacx86.com/golden-bu...ters-thin-miniitx-build-dq77kb-i3-3225-a.html (but I summed it here, I mention it just in case).


Globally, everything is working without a glitch
- install is quick if you follow this step-by-step (just redid it for a really clean & as vanilla as possible install).
- only issue: iMessage, can't log in (as everybody else as far as I know)
- everything else I could test works (ask me if I forgot to mention something important to you) : sound, 2 monitors, booting with both monitors, ethernet, turbo speed, usb3, App Store, sleep....
- fast boot : less then 10 seconds !


1/ Patch the motherboard with the latest bios version #56:
- https://downloadcenter.intel.com/Detail_Desc.aspx?DwnldID=21313
- be sure to download as well the recovery ROM (last version is #48), in case of issue while flashing. At least, there is no worry to lose the motherboard here.
- patch using DPCIManager : http://www.tonymacx86.com/general-help/87342-dpcimanager-1-5-open-beta.html
- then place it on a FAT32 MBR USB drive and use the board's F7 BIOS update option

Bios conf: nothing special... except set the internal video RAM to 64MB (e.g. "IGD"). Just follow the instructions given on TonyMac for Yosemite 10.10.1.

Boot with the USB, let it reboot *with* the USB then choose in Chimera to boot on the hard-drive. Applying the multibeast will make the hard-drive bootable (somehow, I don't understand it all, far from it in fact).

2/ Multibeast (using v7.1.1)

Select DSDT Free

Then remove
- [disk ] remove "3rd party SATA"
- [for Turbo speed step] remove "Generate CPU States"

And add
- [Audio] Realtek > ALC892 + optional HD3000/HD4000 HDMI audio (note: this provides sound over Display Port. Over HDMI not tested but should work)
- [sensors] Fake SMC v6.11.1328 plugins but not not the app (download it from its source on the web, the one provided didn't work for me)
- [ ethernet ] AppleIntelE1000e v3.1.0
- [for Turbo speed step] DropSSDT=Yes
- use iMac 13.2 (Mac Mini 6.1 & 6.2 work but block Turbo mode)

3/ Generate ssdt.aml (for Turbo step)

- download "ssdtPRGen.sh" from https://github.com/Piker-Alpha/ssdtPRGen.sh using the curl command provided.
- in a terminal: cd to the directory where the file is, then "chmod +x ./ssdtPRGen.sh" to make it executable
- execute it with this option: "./ssdtPRGen.sh -w 3"
- yes to place the ssdt.aml in Extra folder
- then an error appears : "can't mount (...)" => ignore it (!!!)

Reboot! You're done!

4/ Benchmark

I use it mainly for web development and usual work (office, mail, web, ...). It's ultra smooth and totally silent since it's a fanless configuration (special case + low power 3770T). Of course, integrated video card means low graphic capacity, but enough for 2 monitors with 2540*1440 and 1920*1200 respectively.

NovaBench global score is around 1100. I don't know which benchmarks are relevant, I need to look this more closely).
 
...
Then the usual tweaking with Multibeast:
- DSDT Free (with some options deactivated)
...
You didn't list the "some options deactivated" which would be helpful to know. (Please update your OP with this information.)
 
Done! I rewrote a large part of my original post since I solved the last issues.
 
How is the i7 3770T working on the DQ77KB?
 
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