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E2180 Slaughters Expectations, Need Mem Help

post #1 of 7
Thread Starter 
My E2180 has blown me out of the water. I've run a 24hour prime95 torture test with large FFT's on it and it performed beautifully at 3.6:



Temps haven't read over 65 degrees for any temp measuring utilities (coretemp, realtemp, Everest) and that max temp was in a very hot room. It's on 1.5v (supposed to be) and apparently my chip has a very high FSB wall as it's stable at 450. Meanwhile, the NB is basically the stock setting at 1.33. Not bad for my first build since I left my job for college 8 years ago.

This leads me to ask a few questions here. First of all, is there anything to criticize in the following numbers, especially the first core temp which has reached 70 before and is consistently running higher than the separate core temps?:



Secondly, should I have run a small FFT test on prime95, since I've seen various opinions on the issue? Or will the test I ran be sufficient?

Thirdly, I have set the core voltage add to equal 1.5. Why is it showing 1.472? It showed 1.5 at first, is it normal to fluctuate?

And finally and most importantly, I haven't really touched the memory. What would be the best way to approach memory given that my FSB is 450:



My main concern is that 6/5 exceeds 1066 (1080 and my mem is 1000), which didn't work before...and I'm not sure if it is worth it trying to adjust timings. I did try 4x4x4x12 with (somewhat) higher voltage, but it was a risky move and my computer did NOT like it (would barely turn on). I like the 1:1 but like I said I'm stuck with freaking ddr2 900. Also, I don't know if a memory overclock would have an effect on my stable 3.6, i.e. I might have to bring it down to 3.55 or something if I want the memory to increase... not something I'd like to do.

Should I just quit while I'm ahead?

(EDIT)
Found my first mistake, forgot to disable Smart Fan Control.
Edited by JackArbiter - 5/12/08 at 8:02am
    
CPUMotherboardGraphicsRAM
E2180 @ 3.56 (Stable) 445*8 1.262v DFI BloodIron P35-T2RL MSI GTX260 G.SKILL 2 x 2GB DDR2 1000 
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post #2 of 7
Very nice OC for the recent new batches of E2180.

1. That's fine as long as not the huge temp difference. Most tasks are exceuted on core 0.
2. Should try the small FFT. Watch out the temp.
3. 1.5 is fine for 65nm as long as the temp/heat is under controlled. That's vdroop. 1.5V in BIOS, 1.472 for idle in cpuz then shows less 1.472 at load.
4. Stick with 1:1. Adjust the timing only when you pass the stress tests.
post #3 of 7
Thread Starter 
Had to bring it down to 445x8 (3560) and small fft's did fine for 24 hours (just got done with the test) at max 70 degrees and usually 68.

Would really like to have 3.6 just to say I had it, but this will put the memory at 1069 or so if the memory will handle that OC.
Edited by JackArbiter - 5/13/08 at 10:12pm
    
CPUMotherboardGraphicsRAM
E2180 @ 3.56 (Stable) 445*8 1.262v DFI BloodIron P35-T2RL MSI GTX260 G.SKILL 2 x 2GB DDR2 1000 
Hard DriveOSMonitorPower
Seagate Barracuda 7200.11 500GB 32MB cache Windows 7 x64 19" from 1999 (1600x1200) BFG GS-550 
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CPUMotherboardGraphicsRAM
E2180 @ 3.56 (Stable) 445*8 1.262v DFI BloodIron P35-T2RL MSI GTX260 G.SKILL 2 x 2GB DDR2 1000 
Hard DriveOSMonitorPower
Seagate Barracuda 7200.11 500GB 32MB cache Windows 7 x64 19" from 1999 (1600x1200) BFG GS-550 
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post #4 of 7
If you dont mind me asking...what stepping/batch/week is your CPU, and what are you using for your GTL voltages?
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post #5 of 7
Where do you live so I can come and replace your heat sink with my boot.

vvv Max stable overclock, thank you nVidia!
    
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post #6 of 7
Thread Starter 
Batch number is Q752A504

stepping is SLA8Y

Is there a separate code for week? Just in case:
Prod code: BX80557E2180
MM# 892608

(EDIT)
Here are the final tests:


Edited by JackArbiter - 5/13/08 at 10:43pm
    
CPUMotherboardGraphicsRAM
E2180 @ 3.56 (Stable) 445*8 1.262v DFI BloodIron P35-T2RL MSI GTX260 G.SKILL 2 x 2GB DDR2 1000 
Hard DriveOSMonitorPower
Seagate Barracuda 7200.11 500GB 32MB cache Windows 7 x64 19" from 1999 (1600x1200) BFG GS-550 
  hide details  
Reply
    
CPUMotherboardGraphicsRAM
E2180 @ 3.56 (Stable) 445*8 1.262v DFI BloodIron P35-T2RL MSI GTX260 G.SKILL 2 x 2GB DDR2 1000 
Hard DriveOSMonitorPower
Seagate Barracuda 7200.11 500GB 32MB cache Windows 7 x64 19" from 1999 (1600x1200) BFG GS-550 
  hide details  
Reply
post #7 of 7
Thread Starter 
Sorry to doublepost but I forgot to answer your 2nd question, and it led me to research and now I have a question (and my huge picture kind of overbears anything else in the last message, I can't really edit this in without losing that).

I haven't adjusted GTL voltage but would surely like to understand how to go about doing so as I might be able to pull more out of my chip or maybe get it to run a little cooler.

The best reference I've seen to how GTL affects dual core overclocks is here: http://forums.techpowerup.com/showthread.php?t=52482
But there is no real detail there.

Do you have any suggestions for adjusting GTL? Adjusting NB voltage did nothing for me.
    
CPUMotherboardGraphicsRAM
E2180 @ 3.56 (Stable) 445*8 1.262v DFI BloodIron P35-T2RL MSI GTX260 G.SKILL 2 x 2GB DDR2 1000 
Hard DriveOSMonitorPower
Seagate Barracuda 7200.11 500GB 32MB cache Windows 7 x64 19" from 1999 (1600x1200) BFG GS-550 
  hide details  
Reply
    
CPUMotherboardGraphicsRAM
E2180 @ 3.56 (Stable) 445*8 1.262v DFI BloodIron P35-T2RL MSI GTX260 G.SKILL 2 x 2GB DDR2 1000 
Hard DriveOSMonitorPower
Seagate Barracuda 7200.11 500GB 32MB cache Windows 7 x64 19" from 1999 (1600x1200) BFG GS-550 
  hide details  
Reply
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