problem with gigabyte GA-X58A-UD3R

Right ive gone back to basics and set everything to default.

I have set the memory to run at 800mhz and so far its stable in prime... it was crashing earlier almost straight away and causing blue screens, even though it was fine last night.

To me it suggests this memory just isnt right for the board, even though may others run it fine at 1600. I cant seem to get it stable over 800?
 
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I really hate to say this because it will probably end the run of success, but two days ago I booted with just 2GB available, wanted to game so I went into the BIOS and reset to default settings (SPD RAM, not XMP), save and exit to get the full 6GB, all went as expected.

Yesterday and today, without touching a thing the PC has booted 5 times now and recognised all 6GB each time - that's the first time it's done that. For now the machine is still on it's side and I still have my aftermarket cooler attached.

Hoping for that to continue - I'll live with the RAM at 1066Mhz if I get 6GB each boot :)
 
To the people posting with Memtest and Prime95 errors, it's very likely to be the RAM - my original set of sticks had two dodgy ones and would fail both tests in just a few minutes (if it would even boot) with the dodgy sticks in
 
Ive tested the ram ( same as yours ) each stick in each slot on its own and all pass memtest.

I have been playing now and it SEEMS that on my board at least its the middle white slot that is the problem one.

Im currently running 2 stick in the end white slots in dual channel of course and its running fine at 1600 speeds and stock voltages!

So far its done an hour of OCCT torture test just fine. It was crashing out of this after mere seconds before.
 
Well i took the cpu memory and board back to the shop and the chap tested it as faulty.

He tried different memory and also a different 930 cpu and the same stuff happened.

I got a replacement board and he gave me the opportunity to add a little cash and try different memory so i went for the Kingston 1600C8 kit.

Hopefully when i get home after work i can get a nice working pc again :p


He said he had seen a few UD boards with dodgy memory sockets and its usually the middle white one at fault. He did say however that the failure rate was tiny as far as he knew.
 
hmm, 2 more boots with all 6GB available just fine and doing nothing to try to make it work.
I'm happy that it's improving, just kinda disappointed that I've no idea what it is that's helping it work properly :)
 
Last week I went through a run of having only 2 or 4Gb available so I got fed up and disconnected the power lead and held in the power button for a couple of minutes - this is a trick I was told to help an old board recover after my old PSU blew and it wouldn't switch on with a new PSU. Maybe this drains some capacitors on the board or something?

Anyway, after that I reset the BIOS to defaults and did the usual boot order tweaks, disabled un-needed periperals etc and set the RAM to SPD defaults but I increased the RAM voltage to 1.6 and since then every boot has had all 6Gb available (that's for a week now).

The tower is still on it's side but I'm going to revert that back to upright and see what happens (I can't use my DVD drive with the tower sideways), then if that stays OK, I'll put a mild overclock back on the CPU :)

Hopefully you guys have had some luck with your boards?
 
hi, I received my parts back with new ram, here's the results

day 1: 6 gig
day 2: 4 gig

so it looks like I've still got the problem despite them saying they found the fault with the ram
 
Take a look at this http://benchmarkreviews.com/index.php?option=com_content&task=view&id=541&Itemid=38

Despite the fact it didnt tell me anything I didnt already know from googling it might help.

I tried tweaking the system performance setting in the MIT section of the BIOS to extreme and got just 2Gb available the next day on boot. I set the same option back to standard yesterday and instead tweaked the BCLK to 166 with x21 and upped the VCore to 1.275v, QPI to 1.25v and DRAM to 1.66v (with the RAM at ~1333Mhz) and today it's back to booting with 6Gb available.

Maybe try disabling turbo and tweaking some voltages either to standard intel spec or a little above instead of Auto and see if that helps?
 
I thought i would update with my experiance so far with the new board and ram.

Its been 100% stable using the extreme memory profile at stock for 2 weeks now and its not done the 4gb thing once.

Safe to say it was a faulty motherboard in my case.
 
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