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New Gigabyte Z68 UEFI BIOS Betas Released!

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I have updated my bios to UEFI on a Z68MA D2H B3.
Boot time is really shorter.

Everything is ok but :
- no overclock anymore (as expected)
- computer restarts when I want it to wake from sleep. :?

Any idea ?

Edit : Auto solved.
Just had to load optimized defaults in bios, then select memory profile1, change IDE to AHCI and select PCI in "init display first".
So everything works well at stock frequencies. Will have to test some overclock now. :D
 
Some additional progress...

I now have my 4.2ghz OC back. However the EFi works very differently in this regard. So far I have not been able to get an SSDT working (all the SSDT i have access to were made pre EFI, so i suspect that is the main problem). Therefore i have only 2 p-states, the highest (42x) and lowest (16x) and the system toggles between the two as needed. This is the same behavior that was common when using DropSSDT flag and no SSDT.aml with the pre-EFI bios, so nothing is really different in this regard. Using an old SSDT results in a kernel panic at boot with a p-state error.

In addition, if i try to OC by boosting the turbo frequencies, which was the method employed pre-EFI, i get stuck at 34x max in OS X no matter what i set the turbo ratios to. Therefor at least in this current SSDT free state we are in the only way to OC is via increasing the default multiplier and leaving all the turbo states at AUTO...

As many know, the old behavior with gigabyte boards was that increasing the default CPU multiplier would result in a KP at boot. In fact many people had to reduce the default multiplier below the actual CPU rated one to avoid this problem. All overclocking had to be done with the turbo ratios because of this issue, and that method worked well since it would only turbo up when the CPU was loaded and the higher speed was warranted.

The EFI does not have this limitation. You can adjust the default multiplier up, and there are no KP at boot from doing so. This is the only way i have found to overclock the system for now. And for all practical purposes the behavior seems just the same, where it toggles between high and low p-states depending on load. So CPU is not running any hotter than before. I do wonder if/when we get SSDT working for additional p-states if it will work as well with a modified default multiplier as it did with the modified turbo ratios. Hopefully it will, and that will be that - or maybe with a proper SSDT it will allow turbo ratio overclocking to work again. In any case thise seems to be the best option if you want to keep an OC and gain the other benefits of EFI.

One last note. using this method, 'about this mac' no longer displays my OC speed, rather it shows the normal default speed for the CPU (in my case 3.41Ghz, a speed in fact my system never hits due to the 42x 16x toggle limitation). Maybe that's something that can be fixed in chimera.
g\
 
Personal Desktop
Z390 DESIGNARE |  i9 9900K |  Radeon Other
Hi all, first post btw =)

Recently updated to the beta UEFI on my GA-Z68XP-UD3 and I'm happily DSDT free and everything works fine. CPU is at stock frequency, haven't tried OC'ing with the new BIOS yet. Like genzai posted, my internal drives are now detected as such. Will post more if I encounter anything. Additionally I am triple booting Arch Linux, Windows 7 and Lion, no major hiccups there either yay.
 
Want to add that interestingly i can boot with an SSDT file as long as i have my EFI CPU settings at stock. In this case i don't get a KP, but the top multiplier i hit is 35x, which i think is the top multiplier for 4 cores turbo by default for my CPU. In any case the KP only occurs when using an SSDT in conjunction with overclocks in the EFI. Either by raising the turbo ratio or the default multiplier. The exact panic call seems to be each time: P-State Stepper Error 18 at step 29 on CPU 6

And as mentioned before, without an SSDT, turbo ratio overclocking is ignored by OSX which will only hit max 34x. But default multiplier overclocking works.

g\
 
Personal Desktop
Z390 DESIGNARE |  i9 9900K |  Radeon Other
Another little update. I unplugged about half of my USB devices and now sleep works perfectly. (well actually the realtek LAN likes to stop working but it does that if i unplug and replug the cable as well, and that's a known driver issue. Inactivating and re-activating in network preferences always brings it back to life). So now i will start plugging all the USB devices back in one by one to find the wake-up culprit. But the Z68MX-UD2H works native with sleep as the others seem to once on EFI. pretty cool.
g\
 
Personal Desktop
Z390 DESIGNARE |  i9 9900K |  Radeon Other
genzai said:
...


As many know, the old behavior with gigabyte boards was that increasing the default CPU multiplier would result in a KP at boot. In fact many people had to reduce the default multiplier below the actual CPU rated one to avoid this problem. All overclocking had to be done with the turbo ratios because of this issue, and that method worked well since it would only turbo up when the CPU was loaded and the higher speed was warranted.

g
Click to expand...

That's not true with my Gigabyte board. I've been using just the multiplier (and of course enabling turbo) from day 1 and it works fine (with the correct SSDT, of course). No kernel panics, and I get all of the steps between 16 and 42 with my i7-2700K. My machine is only a couple of weeks old but I've had it set this way since installation and I've not had any kernel panics at all.
 
dwmc said:
That's not true with my Gigabyte board.
Click to expand...

Well ok, Let me rephrase - That was and is a common issue with many, many gigabyte boards and the old pre-EFI bios on 6-series chipset boards.

Out of curiosity why would you adjust both the default multiplier and use turbo ratio overclocking at the same time? to what benefit? Seems like the best way to go was always using the turbo ratio overclock and even dropping your default mult could be cool since it will just run the CPU a bit slower/cooler when its near idle.

Also figured out the culprit of my instant wake-ups. The rosewill internal cardreader / USB hubs I am using have this issue and its been reported by a few other users as well. Completely off topic but i would love assistance in figuring out how to stop these things from waking my system. Anyone have any idea how to blacklist a device from being able to wake the system? At least one report suggests its actually the hubs in these things that cause the issue, and probably not the card reader part.

Thanks,
g\
 
Personal Desktop
Z390 DESIGNARE |  i9 9900K |  Radeon Other
At idle I get the 16 multiplier. Full bore I get 42. In between, I get the steps in between. My core temps at idle are around 25C with an ambient of 20C. At full tilt for 30 minutes, they're still under 60C. That's with an H100 with the fans replaced by Noctua NF-F12 PWM, and four 140mm case fans running under 1000 rpm. The machine is near silent. I've never seen the machine throttle from thermals, and don't have a need to go above the 42 multiplier.

I power off when I'm not using the machine. If I could get wake from sleep to work reliably, I'd use sleep, but alas I'm one of the people with wake-up issues that won't go away. Sleeps and wakes fine the first time, but not the second time (the usual black screen). Overclocked or not, and many other things tried. That's why I'm interested in the UEFI BIOS... hoping it might be able to be made to work with sleep/wake. Otherwise I'll stick with F12 and continue researching for the next build.

Good luck with your tweaking and thanks for posting your discoveries.
 
This is my experience so far with the GA-Z68XP-UD3-iSSD motherboard:

Bios: U1a(UEFI BIOS)
CPU: Core i7 2600
AMD Radeon HD 6870 Series
OSX 10.8
Geekbench: 12315


Biossettings:
CPU clock ratio: 45
Turbo Boost : enable
1 core : 42
2 core : 41
3 core : 40
4 core :39
Turbo Power limit :120
Hyper : enable
C1e : enable
C3/c6 : enable
CPU thermal : enable
CPU EIST : enable
Execute disable bit : enable
Intel virtuel tech : enable
SATA : enable
SATA mode : AHCI
AUDIO : enable
Intit display : PEG
Internal Grap :disable
Rapidstart :enable
Legacy usb :enable
XHCI :enable
EHCI :enable
Smart connect :enable
AC back : always off
ERp: :disable
High precision event timer:enable
Soft off: instant

Installed fresh osx 10.8. with multi beast 4.6.1
Kext: audio Apple HDA rollback and Non DSDT HBA enabler for ALC889
No easy beast install or Uberdsdt install, just plain chimera 1.10 boot loader
SSDt i5/i7 overclocked
iMac 12.2 system definition
Face SMC
Lnx2mac realrek
In org.chameleon.boot.plist
Quiet boot
Darkwake=0
Ethernet build in
no cpu options enabled
Graphics enabler enabled
restart fix enabled

Conclusion:
Everything works this way. Cpu speed is either 1600 or 3900mhz
Uefi & OSX seems very difficult to over clock. These cpusettings are the only onces working for me.

I installed on 20 GB ssd from motherboard, boot is very fast( seconds).
Moved users folder to big HD.

i used facewizard utlity from gigabyte to remove boot screen , changed it to black. So booting goes from black to white apple boot screen. Almost just real mac
 
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