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GA-890GPA-UD3H and AMD Phenom II X6 1055T overclock - Page 3

post #21 of 31
Thread Starter 
I dl'ed and installed Coretemp 1.0RC3.
It's showing "min/max" temps of 0°C :-(
Tj. max is listed as 67°C.
CPU #0 : 0°C ...

Looks my mobo/chipset may not be supported.

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post #22 of 31

The 890GPA-UD3H had some known BIOS issues with Phenom II x6 processors ever since in case you didn't know.

post #23 of 31
Thread Starter 
The 14x250 test was successful after 45 mins too.
temp1 seems to always stay at 35°C no matter what, so I kind of doubt it's the core temp.
After I stopped prime95, temp2 went down to 42°C, and temp3 to 47°C.
It's still going down a little bit as I type.
I'm getting ready for the next tweak.
Not sure I can really push it higher than this.
post #24 of 31
Thread Starter 
Quote:
Originally Posted by xd_1771 View Post

The 890GPA-UD3H had some known BIOS issues with Phenom II x6 processors ever since in case you didn't know.

Which issues ?
I never saw any issues without OC.
post #25 of 31
Thread Starter 
Quote:
Originally Posted by madbrain View Post

I dl'ed and installed Coretemp 1.0RC3.
It's showing "min/max" temps of 0°C :-(
Tj. max is listed as 67°C.
CPU #0 : 0°C ...
Looks my mobo/chipset may not be supported.

Turned out this is related to the "core unlock" option in the BIOS which I had on.
I don't need it. I turned it off.
Now I can see the temps in Coretemp.

I am running at 14x265 right now or 3.71 GHz.
I lowered all the multipliers for NB/HT to be below 2 GHz.
RAM is also below the 1333 spec.
Only the CPU is overclocked.

CPU NB VID is +0.05V (1.2V)
CPU voltage is +0.075V (1.375V)

After 7 mins of Prime95, the core temp is 54°C.
post #26 of 31
Thread Starter 
Prime95 failed at 14x265 after 3 hours last night.

The best I achieved so far is 14x260 = 3.64 GHz. Prime95 ran overnight with no problem.

Here are the BIOS settings that worked .

400

400

The HT is underclocked as is the RAM. I was only trying to overclock the CPU and make sure everything else was within standard tolerance.

Now I am going to ramp the other clocks back up.

Any idea on how to push this CPU past 3.64 GHz would be welcome.
post #27 of 31
I think you'll need to start upping your cpu voltage at this point, since it took a fair amount of time before failing.
Try 1.375v and try 1.4v when you start getting to around 4ghz, and always be sure to watch your temps.
Edited by auraofjason - 4/10/12 at 2:40pm
post #28 of 31
Thread Starter 
aura,
Quote:
Originally Posted by auraofjason View Post

I think you'll need to start upping your cpu voltage at this point, since it took a fair amount of time before failing.
Try 1.375v and try 1.4v when you start getting to around 4ghz, and always be sure to watch your temps.

I have never gotten it to even post at 4 Ghz, I always get the motherboard OC warning.

Another thing I get often when playing with the setting is that instead of the BIOS going to "loading operating system", it instead goes to a step where it says "begin writing BIOS image" and backs up the BIOS. Then it just reboots.

That said, I finally got it to run at 14x270 last night for 14 hours of Prime95. I had to bump up a lot of voltages, not just the CPU and CPU NB, in order to do so.
Otherwise it would either not post or Prime95 would stop within a minute or 2. Or I would get BSODs.

Unfortunately, the max core temp during that run was 67°C. I know that's above the recommended 62°C. I am surprised it was stable. What temp should I be aiming for ?

Here are the screenshots of my working BIOS 14x270 settings.
400
400
post #29 of 31
The recommended is actually 55C, with 62C being the MAX it should ever get (I think the chip starts degradation at that point after an amount of time of being over 62C).
You should back down your cpu's overclock at this point now to your 3.64ghz settings, maybe try to get other settings up (most importantly your cpu/nb and ram, HT should stay at 2000mhz), you've got a decent oc for that 1055t already thumb.gif
Edited by auraofjason - 4/11/12 at 5:02pm
post #30 of 31
Thread Starter 
Yes, I know 62°C is supposed to be the max.
I don't think it was at 67°C for the whole run, it was just the peak temp it reached as shown in CPUID.

I am trying to keep that 3.78 and dial down some of the voltages.
I tried DRAM voltage normal (1.51V). No POST (begin writing BIOS image).
1.53V, same thing.
1.55V, it posted and booted Windows. But Prime95 stopped after 8 minutes.
Now I am at 1.57V and it's running again.

The successful setting was 1.59V for DRAM voltage . I am not sure why I have to dial the DRAM voltage up at all. My RAM is DDR3-1333 and ratet at 1.5V, also tested at 1600 by Corsair, and I am only running it at 1080 MHz right now.
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