GA-Z68X-UD3H-B3 wake from sleep loose turbo ratio

[avdim]

I am experience problem when PC  is waking up from sleep. I have Intel i5 2400 CPU with 31x multiplier and default turbo boost ratios 34x,33x,33x,32x. After normal cold boot I see turbo boost working ok, CPU rising up to 34x on load (though it seems a bit inconsistent, it s up to 34x even on all 4 cores load). I can set general CPU multiplier up to 38x, got 3600Mhz with it and if enable C3/C6  states got up to 3800Mhz.

But that all works only until first sleep/wake up. After wake from sleep I have multiplier locked on 32x regardless of use turbo boost or disable it in BIOS. That means that something is broken even on stock speeds without any overclocking.

I ended up to manually set all ratios to 32x and disable turbo boost to have my system work the same after cold boot and after wake up from sleep. Overclocking is not that important for me, I even undervolt CPU to have any “benefit” of non working feature. (By the way, I use dynamic voltage adjustment of -0.200V, that is the upper limit in BIOS and I wish it will be at least up to -0.300V as my CPU seems be able to run on even less voltage).

I have latest F3 BIOS.

[Dark Mantis]

Any slight abnormality can interfere with the sleep mode. It is extremely sensitive. What PSU are you using to provide the power ?

In fact a list of your main components might help give us a more complete view of your system.

[avdim]

Ok, here my system

Motherboard: GA-Z68X-UD3H-B3 (F3 BIOS)
CPU: Intel i5 2400
RAM: 2x4096MB TeamGroup Elite DDR3-1333 CL9
CPU Cooler: Noctua NH-U9B SE2
GPU: PNY GTX 460 1Gb
PSU: CoolerMaster RP-650-PCAR 650W
HDD: Crucial RealSSD C300 128GB
Optical Drives: Sony Optiarc AD-7261S


The main goal of my post was the hope that anybody with the same or similar MB will check this issue on his configuration and let me know is it my specific bug or the whole product line is infected and Gigabyte should fix this.

[avdim]

Ok, I finally figured out that when I disable onboard video adapter everything is working, when it is enabled wake up from sleep (S3) resets CPU clock ratio and it behaves like after loading defaults at 31x. I tried F4e beta BIOS as well.

I definitely don’t want IGPU being disabled because Virtu is one of the features I want to use and one of the main reasons I decided to try Z68 instead of B2 revision of H67 MB I had before.

[betaspin]

I have an identical problem on a GA-Z68MX-UD2H-B3, bios F5 (current), with an i5 2500k. I have set the turbo boost ratios to 43/42/41/40, which works fine after a fresh boot. However, on resuming from sleep, the ratios go back to the defaults, i.e. 37/36/35/34. I am also using the IGP. It would be nice if this problem could be resolved ASAP. Btw, my PSU is a 530W Nexus, so there is enough good quality power.

[Dark Mantis]

For a lot of the sleep modes to be processed properly you need an ATX power supply providing at least 1A on the +5VSB lead. It might be worth checking your PSUs to make sure they are compatible.

[betaspin]

For a lot of the sleep modes to be processed properly you need an ATX power supply providing at least 1A on the +5VSB lead. It might be worth checking your PSUs to make sure they are compatible.

My Nexus NX-5000 R3 530W provides 2.5A on the +5VSB line, so the problem is not PSU-related. A weak +5VSB line is usually manifested in failure to resume, and not in what avdim and I have described.

By the way, a google search reveals at least two other users with Gigabyte Z68 motherboards experiencing this problem, one in the product reviews at newegg.com, and another one at the silentpcreview forums.

My feeling is that several Z68 Gigabyte BIOS's may require some urgent attention.

[Gloup_Gloup]

  Hi Friends,

I I saw that there is a new version of BIOS, or the F8. Does it help or fix the problem?
http://www.gigabyte.com/products/product-page.aspx?pid=3853#bios
or
http://www.gigabyte.us/products/product-page.aspx?pid=3853#bios

In general, if you want the latest drivers, utilities, manuals and bios, go to the USA from Gigabyte site.

Gloup_Gloup

[stajner]

Z68X-UD7 also can not load after sleep mode. I manual I found that sleep mode is actually hibernate mode (ram is saved to disk everytime). But if computer goes to sleep and I plug-off power supply, win7 will have to start clean boot. Perhaps this problem is connected to my other problem posted here http://forum.giga-byte.co.uk/index.php?topic=6776.0 ? As menitoned i had problems starting BIOS and after bios is ok, I also have problems starting win7. Adaptec 6805 is present in both cases.

I also noticed this board is off market already. Is perhaps this board the worst product Gigabyte produced?