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Time to RMA my Rampage IV E or what do you think?

post #1 of 5
Thread Starter 
Have been trying to get this working for three weeks now and have almost no hair left smile.gif

With default settings it works OK.
With default settings + XMP+ multi of 44 it works OK.
With ALL default OC Profiles it works OK.

It works with offset set at "auto" but then it will just give a fixed vcore at ~1.5V.

Otherwise any offset setting whatsoever will make my RIVE not POST, it will freeze with error 79 (init. CSM). Very rarely it will acutally boot but then freeze at Windows logo.

Since the default proflies works fine, and they give 4975 MHz and 1.550V I cant see that my CPU will have problem with voltage.

What makes me think about RMA is that the problems is not consistent. Suddenly, two days ago everything was working fine for a whole day, I could overclock at diffrent multipliers and different offset settings. I made a nice and stable 4.7 profile with a low + offset. Did memtest, burnintest, played games, restarted it, shut it down, pulled the plug. It was 100 % stable for many hours. Shut it down through Windows, 5 hours later I started it but it wouldnt POST. I hadnt moved or even been in the same room as the computer. Tried everything but it was suddenly impossible to get it to POST with the same settings that was so stable just hours ago.

First week I had no problems using offset settings at multipliers of 44 and lower, now these settings will also result in no POST and error 79.

Also, sometimes (5 times in three weeks) the UEFI/BIOS will freeze when alter settings, is this normal?

I have tried:
Reflash BIOS with EZ tool and USB Flashback, using different USB sticks.
Flashing different BIOS versions.
Pull and replug every power connection at MB and PSU.
Use just one GPU and one RAM stick.

Thanks a lot for any help or ideas, this is getting frustrating. smile.gif
post #2 of 5
At high overclocks like that there are likely other parts of the system that will require different voltages. i recommend playing around a bit with your IMC voltage and your VCCSA voltages. (if you have a C2 chip dont go far above ~1.23v on either of them however). the issue you are having does seem to be very odd but ive no experience with that debug code being an issue. thumb.gif

Edit: a quick google search reveals that Debug 79 has something to do with Ram initialization, so start with the IMC/Memory voltages. running your processor at anything above 4.5ghz is going to put alot of strain on the IMC if you are running the ram at 2000mhz.
Edited by Nemesis158 - 7/22/13 at 6:33am
post #3 of 5
Thread Starter 
Thanks, I have been playing with these voltages without any effect.

But if I change one setting the computer can suddenly boot and pass any stress test, and then two or three restarts later it wont even POST.

I have no problems running a 4,8 GHz clock with manual settings and fixed vcore. Until today I have been using auto offset too, but now it will make it freeze at boot.

Now it doesnt show error 79 when it doesnt POST, it shows error 40 (waking from S4 sleep state) or error 01 (waking from S1 sleep state)...

In three weeks now I have tried many settings but as soon as I use offset vcore there is no possibility the computer will boot (that one day everything worked is an exception).

Frustrating when the exact same settings can result in either:
- 100 % stable and working computer
- Freeze at Windows logo
- No POST with various error codes

I hate to not know what is wrong or what I have done wrong. smile.gif
post #4 of 5
not sure what else to tell you man. it could be your board, but clocking an SB-E chip that high has risks. the C2 chips have been reported to have IMCs that will burn up at lower voltages than they should, so that is definitely possible. i would say try another board but that will be difficult unless you know someone with one....
post #5 of 5
Thread Starter 
Quote:
Originally Posted by Nemesis158 View Post

not sure what else to tell you man. it could be your board, but clocking an SB-E chip that high has risks. the C2 chips have been reported to have IMCs that will burn up at lower voltages than they should, so that is definitely possible. i would say try another board but that will be difficult unless you know someone with one....

Thanks,

Today I actually have no problem to get it to boot with vcore offset, if I follow a procedure smile.gif First CMOS reset, set up a 4.4 GHz OC with XMP, LLC at medium and a vcore offset at ~0.025V. Save and boot into Windows. Restart into BIOS, change multiplier to 45, save and restart.

I got it stable with multi of 45, 46 and 47 (with higher offset). Passed ROG RealBench. Booted into Windows after every restart.

BUT if I shutdown my computer, in Windows or by button, it will freeze at Windows logo 100 % of the times at next start. Then there is no way to boot into windows with multiplier 45+ and offset setting, unless I do the procedure again.

If power wasnt so expensive I would just leave my computer on and never turn it off. smile.gif

Strange, isnt it?

(I have tried different sata-ports, different HDD, fresh install of Win 7, 8 and 8.1. With or without drivers. Always freeze at the boot logo).
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