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Overclocking my 5000+ BE - Page 2

post #11 of 25
Thread Starter 
Quote:
Originally Posted by thlnk3r View Post
If your wanting to exceed 1.45 Vcore then I would recommend picking up an aftermarket cooler. My choice of coolers alway come from Thermalright but there are several other brands out there that are just as good or even better.

One thing to note with the Brisbane core is that you may get "strange" temp readings. Apparently some chipsets have troubles reading the sensor on the processor. There's quite few speculative ideas out there about the issue.
Yep, I have a decent aftermarket cooler running right now, a Thermaltake V1. Really tall copper heatsink w/heat pipes and a massive fan. The best part about that cooler is that on my Asus MB I can aim it up towards the power supply and it just so happens to blow across the RAM. I reached in earlier today to feel the chipset heat sinks and other components, everythings just barely warm to the touch, even the RAM at 2.100 volts, seemed just barely luke warm to the touch.

I wonder if the Brisbane temps are err'ing on the low side? Probably my biggest concern aside from the voltages is keeping those temps down. I want to be able to run my PC 24/7 if necessary without worrying about burning up my components.

Thanks for the compliments, and yes this was my first serious overclocking attempt, most of my older hardware had stock coolers and lower quality mainboards, so I never felt comfortable doing any overclocking.

The goal now is to get this baby running at about 3.3 GHz but I may not be able to reach that, but only one way to find out
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post #12 of 25
Thread Starter 
I've been working on hitting the 3.30 GHz mark on my 5000+. I pretty much read through all 50+ pages of the black edition club thread, got some ideas, and really am starting to think I may have just hit a max speed of 3.2 GHz on my CPU.

My question is this. I've tried all sorts of reference clock/multiplier combinations, got my RAM voltage running as high as I can 2.100 volts, CPU volts have been pushed to 1.4500 in the BIOS (1.504 in CPU-Z) and am a little hesitant to push the volts more as I hear 1.500 in CPU-Z is the highest setting we really want to use. I think if I pushed the CPU voltage higher I could reach 3.3 GHz, but when I set it to 1.504 (in CPU-Z) Orthos crashes after about 1 hour with this message "FATAL ERROR: Rounding was 0.5, expected less than 0.4"

Are there any other settings that may help, like NB or SB voltages?

My current BIOS configuration -

Reference Clock: 256
Multiplier: 12.5x
PCIe Speed: 100 MHz
RAM Voltage: 2.100
CPU Voltage: 1.425 (1.475 in CPU-Z)
HT Multi: 5x
DRAM Timings: 5-5-5-15-26-2T
SB Voltage: 1.300 (Lowest possible)
NB Voltage: 1.500 (Lowest possible)

Thanks in advance!
Edited by MegaTherion - 7/8/08 at 8:55am
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post #13 of 25
If the BIOS is reporting correctly, it should reflect 80% of the windows full load temp.
Some MBs are wack when reporting the Brisbane core and some aren't.
My Crosshair was right on, the Biostar TA770 A2+ was not even close and that was with the same 5000+ BE CPU!
    
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post #14 of 25
Quote:
Originally Posted by MegaTherion View Post
I've been working on hitting the 3.30 GHz mark on my 5000+. I pretty much read through all 50+ pages of the black edition club thread, got some ideas, and really am starting to think I may have just hit a max speed of 3.2 GHz on my CPU.

My question is this. I've tried all sorts of reference clock/multiplier combinations, got my RAM voltage running as high as I can 2.100 volts, CPU volts have been pushed to 1.4500 in the BIOS (1.504 in CPU-Z) and am a little hesitant to push the volts more as I hear 1.500 in CPU-Z is the highest setting we really want to use. I think if I pushed the CPU voltage higher I could reach 3.3 GHz, but when I set it to 1.504 (in CPU-Z) Orthos crashes after about 1 hour with this message "FATAL ERROR: Rounding was 0.5, expected less than 0.4"

Are there any other settings that may help, like NB or SB voltages?

My current BIOS configuration -

Reference Clock: 256
Multiplier: 12.5x
PCIe Speed: 100 MHz
RAM Voltage: 2.100
CPU Voltage: 1.425 (1.475 in CPU-Z)
HT Multi: 5x
DRAM Timings: 5-5-5-15-26-2T
SB Voltage: 1.300 (Lowest possible)
NB Voltage: 1.500 (Lowest possible)

Thanks in advance!
MegaTherion, raising the SB and NB voltage may help all though your not really running a high HTT (reference clock) so it may not even matter. It wouldn't hurt to test though. AM2 processors overclock quite well between 1200-1400mhz but have you tried lowering the HT multiplier to see if it runs better? You also simply be at the limit of your processor. An OC of 600mhz is awesome

Good luck
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post #15 of 25
Well heres what Ive got 14hrs stable so far. Just 6 more hours before Im satisfied its stable.
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post #16 of 25
Thread Starter 
Quote:
Originally Posted by The Duke View Post
If the BIOS is reporting correctly, it should reflect 80% of the windows full load temp.
Some MBs are wack when reporting the Brisbane core and some aren't.
My Crosshair was right on, the Biostar TA770 A2+ was not even close and that was with the same 5000+ BE CPU!
The BIOS seems to be reporting the CPU the same as the Asus Monitor, and have cross referenced the temps with Everest, and a few other tools. They all seem to show the CPU temps correctly. Idle temps are in the mid 30's, load temps hover between 53-55 degrees.

The voltage is the only strange thing, and I had asked in a different thread about it, and it was mentioned that the true voltage as reported by CPU-Z will generally be higher than the MB setting. In fact, if I set the voltage in the BIOS, then reboot, re-enter the BIOS, the BIOS will report the higher CPU voltage setting, and be identical to the CPU-Z readings.

CPU seems awfully cool though, even though under load it is reporting at 55 degrees. I can touch the copper base on my HSF and it feels just warm. CPU cores on load are between 33-35 degrees, one core being 1-2 degrees cooler than the other.
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post #17 of 25
Thread Starter 
Quote:
Originally Posted by thlnk3r View Post
MegaTherion, raising the SB and NB voltage may help all though your not really running a high HTT (reference clock) so it may not even matter. It wouldn't hurt to test though. AM2 processors overclock quite well between 1200-1400mhz but have you tried lowering the HT multiplier to see if it runs better? You also simply be at the limit of your processor. An OC of 600mhz is awesome
Yeah, I will be happy with whatever I can get at this point, seeing that I have the 2.6 running at 3.2 makes me smile.

I have tried lowering the HT multiplier to 4x, but that didn't seem to make a difference. My guess is, if I pushed the CPU voltage in the BIOS up to around 1.475 (CPU-Z probably would show 1.525) it would be able to handle the 3.3 speeds, I'm just not comfortable running the volts that high from everything that I've read thus far.
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post #18 of 25
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Quote:
Originally Posted by vwgti View Post
Well heres what Ive got 14hrs stable so far. Just 6 more hours before Im satisfied its stable.
I had those same settings on mine and would crash orthos anywhere between 9 minutes and 45 minutes. 12+ volts from PS would bounce between 11.90 and 11.97, wondering if it may have just got too low at some point and bombed? So many factors! Weeeeee
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post #19 of 25
Quote:
Originally Posted by MegaTherion View Post
My guess is, if I pushed the CPU voltage in the BIOS up to around 1.475 (CPU-Z probably would show 1.525) it would be able to handle the 3.3 speeds, I'm just not comfortable running the volts that high from everything that I've read thus far.
MegaTherion, as long as you keep an eye on your temperatures you will be fine. For viewing the Vcore, I would try a few other applications. CPU-Z sometimes will display a wrong value if the voltage is above 1.45volts. Have you tried applications such as Everest or Coretemp? Give 1.475volts a shot. Just make sure the full load temps don't exceed 60C. I've had my Opteron 170 tested at 63-65C in OCCT and it ran fine.

Good luck
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post #20 of 25
Thread Starter 
Quote:
Originally Posted by thlnk3r View Post
For viewing the Vcore, I would try a few other applications. CPU-Z sometimes will display a wrong value if the voltage is above 1.45volts. Have you tried applications such as Everest or Coretemp? Give 1.475volts a shot. Just make sure the full load temps don't exceed 60C.
I've been able to cross reference the voltage between the BIOS HW monitor, and Everest, CPU-Z. All reporting the same #. MB will be set to 1.450, and generally the actual voltage will roughly be 0.050 higher after the reboot for settings to take.

Right now I have 1.425 volts set in the BIOS for cpu, and cpu-z/everest/mb hw monitor picking it up at 1.475. If I set the MB to 1.475 in the BIOS, likely the monitors will show the voltage at 1.525. I'm sure I could keep it under 60C, but don't know how healthy for the CPU it would be to run over 1.500 volts.
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