No RAM errors individually, but errors together

Try upping the CPU/NB voltage slightly to help stabilise the memory controller.

Also could be that the memory controller in your chip sucks just like my 640 x4 did, try running RAM under rated speeds.
I tried upping the CPU NB voltage and it didn't help... prime95 still failed within seconds. My Gigabyte board definitely does not like the Patriot RAM; my brother got his ASUS board from RMA and it works in his build no problem. I hope my Mushkin kit works.

Depends if your voltage option in BIOS is regulating Offset of CPU vid or vid itself.
If you can select Offset then your CPU voltage will be lower by certain amount from CPU default voltages. If your BIOS can set only CPU vid value, then after setting a value it either won't let you enable C'n'Q or simply after booting to Windows your voltages will be set back to stock.
Most mobos set Offset voltage.
Yeah, my motherboard has an offset. My brother's ASUS board has a CPU vid value, but it seems like he can still enable CnQ. I decided to disable CnQ and C1E, though, because it makes videos stutter and seeking very slow. I'm assuming it's because I'm using DXVA hardware acceleration, and I'm sure I could just adjust the power options in Win7, but I decided to just disable it completely and just undervolt it.

Thanks for the info.

Now I'm just waiting for my RAM to get back and hopefully it works.
 
That's what I will resort to last.
Interestingly, my brother's ASUS board set the Patriot RAM to 2T whereas my Gigabyte board sets it to 1T by default. That could very well be what's causing the problem.
But again, I will try that last. I'm hoping my Mushkin RAM works fine without any changes.
 
Ah the days where you could increase your SRAM cache on your motherboard or the VRAM on your video card by adding more memory chips. When DRAM had leg pins and holes on the motherboard, instead of the sockets you have nowadays, and you always managed to bend a bunch of them inserting/removing and eventually break some off.

Hehe, along with actually having to physically change the clock gen crystal if you wanted to attempt to "overclock." :D

And to djskribbles, yeah 1T could definitely pose a problem. And I know Gigabyte also relatively frequently releases BIOS updates that increase RAM compatibility. Especially if the MB is relatively new on the market.

Regards,
SB
 
1T/2T on AMD DDR3 controller has virtually no difference on performance. It's below 0.2%. In other words not worth it at all. If it does work stable, great, if not, it's ok :)
 
That's what I will resort to last.
Interestingly, my brother's ASUS board set the Patriot RAM to 2T whereas my Gigabyte board sets it to 1T by default. That could very well be what's causing the problem.
But again, I will try that last. I'm hoping my Mushkin RAM works fine without any changes.

My £250 Asus Crosshair 4 Extreme can't run my RAM at 1T with stability but my old £150 MSI 790FX GD70 motherboard could. Infact when I got the Asus board it took me ages to figure out why it kept crashing when it started to load windows, Turns out it just didn't like my memory as it's not on the qualified vendors list for the board.

Just drop it down to 2T

:smile:
 
My mobo can run 6 sticks of OCZ platinum DDR3 @1660 (very slight overclock) at 1T and 7-7-7-20 timings and no errors or overvolting... I don't know if this is really all that impressive or not, but it makes me a happy camper! :)
 
Finally got my Mushkin RAM back from RMA. So far so good. Tested each stick individually and together at stock voltage and timings (1T) and no errors in memtest86. Now running prime95.
 
Now it seems my last good pair of Corsair sticks died in my Dell XPS box. I don't know what the feck is going on, it worked fine yesterday, now when I turn the box on all it does is beep. Dunno if it's the mobo blowing them (I had them replace the mobo after my 2nd pair blew, mere weeks before warranty ran out last summer) or if these sticks are simply bad/from a crappy batch.

I'm considering harvesting the CPU and drives and buying new mobo/PSU/casing and putting together a second uATX system. I could either use the 8800GTXes from the Dell, or the now retired Radeon 4890s I retired... The 8800s are considerably quieter and should draw less power, and their power is quite sufficient for my backup 1280-rez LCD for basically any game other than crysis.

This casing looks real sweet. I wouldn't mind switching over my main rig to it, then using my current Antec P180Mini for the backup system.
 
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no
but it can run a pci-e and agp card at the same time ;)
and Two Hundred and Fifty I'd expect breakfast never mind 4 cards..
 
no
but it can run a pci-e and agp card at the same time ;)
and Two Hundred and Fifty I'd expect breakfast never mind 4 cards..

I'm a hardcore overclocker and this board is the best clocking AMD motherboard there is, Also the most feature rich :)

And I run 4 graphics cards :)
 
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