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New build- FINALLY 2500K @ 4.8GHZ

post #1 of 5
Thread Starter 


Everything look good? I'm going to be adjusting voltages lower once this is verified stable. Even at 1.53V I can't break 5 GHZ.

BIOS version 1.A removed high Vdroop so reverted back to 1.7. Doesn't seem to do anything regardless of setting. PLL overvoltage is ON, all energy saving features are OFF.

This is on a P67A-GD65

Eye Candy

Edited by zorrobyte - 4/23/11 at 12:57pm
Z77ITX120.V1
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Z77ITX120.V1
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post #2 of 5
Your screenie shows pll override on auto, did you enable it after taking the SS?
If not, you may be able to squeeze in a few more bumps on the multi for the max OC.

Other than that, 4.8 is a pretty good speed, have fun with the new toy!
    
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post #3 of 5
Use realtemp 3.67 and you can see the VID with the toggle button.

What's the VID of your CPU at 3.4 ghz (not at 3.3 ghz, just set the multi to x34). VID should be shown in BIOS next to the vcore selection.

Judging by your voltage, you seem to have a high VID chip that runs cool...
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SB Rig
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post #4 of 5
Thread Starter 
Update:
Returned the P67A-GD65 since I did not like it (there is a pile of them for sale as open box, more than any other) and exchanged the 2500K.

I now have a new 2500K and ASUS P8p67-pro which I'm very happy with. The only issue is that I left my H70 back plate on the MSI the day before easter and had to wait until today to drive 2 hours to go get it.

Good thing, I was tight budget but the 2500k was dropped to $199 so it worked out beautifully.

This one clocks different. I'm running 4.7 @ 1.375 with good temps (although higher) and bumped up to 1.425 for 4.8 for testing. Asus auto oc too me to 5GHZ on sane voltage so I'm manually adjusting as far as 1.425 can take me.

WOOT

Notes on the boards:
MSI has always had shoddy software in my opinion. Their UFEI lacked features even on this "high end" board. Things like only having low LLC and auto on the latest BIOS was strange. Others reported high voltage spikes with other BIOS revisions. Much like my 4 phase AMD 890 I bought last month (and people reporting it blows at higher Vcore) I don't really trust MSI boards.

The ASUS board is slightly more expensive (depending on pro, evo, etc) but all ASUS p8p67 boards have the same base features. Setting the gobs of options in the BIOS and in Windows is just mindblowing. Although I did get a different CPU it was the same batch number and the chip doesn't compare; or is it the boards, who knows.

One critical feature I like is the ability for the Vcore to scale on the ASUS. On the MSI anything above 43X froze the voltage scaling which was annoying. The ASUS board also lets the Vcore offset so your idle volts drop, the MSI stays high 100% of the time. The ASUS on auto will let you set any multi you want and keeps auto voltage going until you get to 5.5 GHZ at 1.6+(I just had to try).

Last observation is the MSI had BAD Vdroop. For example even at idle I'd have to set a much higher BIOS voltage (such as 1.535) to reach 1.5 in CPU-Z. Other oddities is no matter the voltage the reported voltage would be much lower and drop even more under load. Whole ranges of voltages (like 1.425-1.45) in bios did nothing to voltage reported other than 1.425 having much worse vdroop than 1.45.

This is on multiple versions of BIOS for the MSI. Nothing changed other than my G9x mouse acting a bit better (although it wasn't smooth, scrolling made me select random values) and removing features with each BOIS revision (such as LLC auto high low to auto low).
Edited by zorrobyte - 4/25/11 at 1:01pm
Z77ITX120.V1
(10 items)
 
  
CPUMotherboardGraphicsRAM
Intel 2500k ASUS P8Z77-Deluxe PNY Nvidia GTX 670 8GB DDR3 1333 
Hard DriveHard DriveCoolingOS
Corsair Force 3 120GB HGST 1TB 2.5" HDD Corsair H70 Win8X64 
PowerCase
Thermaltake 600W PSU Silverstone SG05 
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Z77ITX120.V1
(10 items)
 
  
CPUMotherboardGraphicsRAM
Intel 2500k ASUS P8Z77-Deluxe PNY Nvidia GTX 670 8GB DDR3 1333 
Hard DriveHard DriveCoolingOS
Corsair Force 3 120GB HGST 1TB 2.5" HDD Corsair H70 Win8X64 
PowerCase
Thermaltake 600W PSU Silverstone SG05 
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post #5 of 5
Thread Starter 
Thats more like it! Not having to set Vcore to 1.49 to get 1.464 with crashes with Vdroop. Stable with less voltage to boot! Although I haven't tried lowering voltage further to test stable yet but it looks promising.



It's also amazing what reapplying TIM can do, also making extra sure your block is evenly torqued.
All on AS5 uncured


Edited by zorrobyte - 4/25/11 at 1:34pm
Z77ITX120.V1
(10 items)
 
  
CPUMotherboardGraphicsRAM
Intel 2500k ASUS P8Z77-Deluxe PNY Nvidia GTX 670 8GB DDR3 1333 
Hard DriveHard DriveCoolingOS
Corsair Force 3 120GB HGST 1TB 2.5" HDD Corsair H70 Win8X64 
PowerCase
Thermaltake 600W PSU Silverstone SG05 
  hide details  
Reply
Z77ITX120.V1
(10 items)
 
  
CPUMotherboardGraphicsRAM
Intel 2500k ASUS P8Z77-Deluxe PNY Nvidia GTX 670 8GB DDR3 1333 
Hard DriveHard DriveCoolingOS
Corsair Force 3 120GB HGST 1TB 2.5" HDD Corsair H70 Win8X64 
PowerCase
Thermaltake 600W PSU Silverstone SG05 
  hide details  
Reply
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