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Gigabyte GA-EP45-UD3P

J

JackSpadesSI

Senior member
I know a lot of you out there own and run the Gigabyte GA-EP45-UD3P motherboard from threads I?ve read. My system components are in my signature.

When I first built the system it had several issues, all of which I won?t go into again, but one of them was that when the computer went into sleep mode it wouldn?t recover. If I tried to bring it back it would try, die, reboot, fail, reboot, fail, reboot, fail? until I pulled the plug and powered it on from a normal ?off? state.

It boots just fine from an off state. It also runs perfectly (as far as I can tell) in normal use. To deal with the sleep issue I just deactivated that option in the power options of Vista. However, now I have to turn off my computer every morning before I go to work and then boot it up when I come home. Instead, I?d prefer to just keep it on in sleep mode.

Googling the issue made it seem like this sleep=fail thing was common to the motherboard (hence why I?m posting here). Do any of you have this same issue ? and if so, how have you solved it?

If the sleep issue isn?t due to the motherboard, but rather something else, please let me know that, too.
 
See if you have C2E/C4E enabled in BIOS. If so, disable them. (You can still leave C1E enabled)
 
It's a known issue Gigafail cannot or chooses not to fix, at least last i checked.

Newer BIOSes in the future might help; or might not...
 
I didn't know the issue was so prevalent. I haven't had a problem with S3 on my UD3P except GTX 280 always running at 3D clock after wake-up. But a quick search lists lots of users with this issue, so obviously you're not alone.

I wonder what's causing it? My board is rev 1.0, and came with F6 BIOS which I flashed to F8. Sorry for no help, but I'll see what I can find about it.

Edit: What drivers are you using for the LAN?
 
How is Gigabyte "Gigafail"? They seem to be WIDELY used and respected - this website itself listed my specific motherboard as the perfect P45.

Anyway, how would I check which driver I'm using for LAN (why would that affect sleep)?

I think I have the F8 BIOS, but I'll make a point to check on next reboot. Not sure on the revision, either - any way to find that out without opening case (not that it's a big deal, but it would be nice to know an easier way).

Finally: what do C2E, C4E, C1E, and S3 all mean?
 
S1, S3, etc. means your system's power state. Off my head, it's something like this:

S0: System is fully up and running -> this is basically when you use your PC
S1: Stand-by. System is up, but not running at its full capacity. Think of it like your GPU's clock frequency transition from 3D to 2D.
S2: No idea 😀
S3: This is the state where we normally call "Sleep". Your system stops running, but there are still a little amount of power running through, and what's critical about this stage is that your memory is alive. So even if your CPU and HDD falls a sleep, your memory retains data prior to S3 stage, so when your system wakes up it'll take you to where you left it at before it went to sleep.
S4: I don't know how S4 works exactly, but I believe this state is called "Hibernation" instead of "Sleep". Your memory loses power, and whatever you were working on is being saved to your HDD by the OS. When it wakes up, the data needs to be retrieved from the HDD. So while S4 will still take you to where you left, but it'll take some time to do so.
S5: System powered-off.

Now, C1, C2, etc. are CPU-equivalents of S1, S2, etc. I don't know the details but it's basically CPU level power states, instead of system level.

Your devices - such as USB or LAN - matter because they have to co-operate with the system's S-states and CPU's C-states. Remember that you wake your PC up by tapping a keyboard or shaking a mouse? That means even when your system fell a sleep, there is a tiny amount of power running through the system, keeping the system's devices ready to get back to work quickly.

So indeed every device could matter for S-states to work correctly on a system, which in turn a bad set of drivers could cause a trouble. (Overclocking obviously makes things complicated and confuses motherboards.)

From my experience, USB, LAN, and video cards are quite prone to be a candidate, and if you pay attention to your BIOS you can actually see why and what - look for options like "wake-on from LAN", "Resume by PCI-E device", etc. Those are all related to properly functional "Sleep" states.

OK, that is why I am asking you to check your LAN drivers. Go to Control Panel -> System -> Device Manager -> Network Adapter, and check the driver version. And make sure that you have the latest drivers from Realtek.
 
Gigafail was meant as sarcasm, sorry.

I actually owned your mobo for a bit, & other than the fact that it couldn't handle my 8 GB at high FSBs, i'd say it certainly deserves it's title as best board out there for OCing s775 quads.

No other board can beat it on average for stability with quads at high FSBs, & it's not too pricey either.

That said, I have no love for any of the motherboard manufacturers when it comes to BIOS support, as really, they all release what are effectively beta BIOSes for us to mess with & deal with the bugs, & often, never fix them either...


Oh, & yes, mine had the sleep issue as well...rather annoying.
 
jesus christ, i had a similar problem on my p35-ds3p which is why i'm upgrading to a new mb the ep45-ud3r.

and this problem still exists??? wtf.

my problem was: system would alwyas freeze after a period of idle. like when i go to sleep at night with pc on or go afk for hours. windows would hang/freeze w/e u wanna call it. then i'd have to restart. what a PITA, lets hope this doesn't happen when my mb gets here.
 
Originally posted by: LOUISSSSS
jesus christ, i had a similar problem on my p35-ds3p which is why i'm upgrading to a new mb the ep45-ud3r.

and this problem still exists??? wtf.

my problem was: system would alwyas freeze after a period of idle. like when i go to sleep at night with pc on or go afk for hours. windows would hang/freeze w/e u wanna call it. then i'd have to restart. what a PITA, lets hope this doesn't happen when my mb gets here.
Click to expand...
Louis, the issue you experienced sounds more like overheating and likewise has little to do with Sleep. 😛
 
Originally posted by: lopri
Originally posted by: LOUISSSSS
jesus christ, i had a similar problem on my p35-ds3p which is why i'm upgrading to a new mb the ep45-ud3r.

and this problem still exists??? wtf.

my problem was: system would alwyas freeze after a period of idle. like when i go to sleep at night with pc on or go afk for hours. windows would hang/freeze w/e u wanna call it. then i'd have to restart. what a PITA, lets hope this doesn't happen when my mb gets here.
Click to expand...
Louis, the issue you experienced sounds more like overheating and likewise has little to do with Sleep. 😛
Click to expand...

which part of my MB overheating? every temperature sensor that speedfan has detected was under 50c at all times. highly doubt it was overheating...
 
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