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AMD Athlon X2 7750 BE OC Club - Page 115

post #1141 of 1165
Selling my Sandy Bridge parts, so I have to go back to this setup. I never tried overclocking this chip, but since I have expirienced 5.2GHz, I think I will now!

I have a couple of questions you guys might be able to help answer.

1) I have the chip on a Gigabyte GA-MA785GM-US2H Rev. 1.1. I wanted to see if anyone was able to unlock cores 2 and 3 on this board? Also, is their any other settings I should be adjusting besides enabling Hybrid Bios and ACC?

2) What is a good temp for this chip? I have a Scythe Mugen 2 Rev. B and when I run Prime95 Blend, my temp is about 22 at 3.2 200x16 1.5v.

3) Anyone popped one of these chips yet by pushing too much voltage through it? How much?
Edited by BWG - 3/12/11 at 10:53am
 
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post #1142 of 1165
Quote:
Originally Posted by BWG;12705823 

1) I have the chip on a Gigabyte GA-MA785GM-US2H Rev. 1.1. I wanted to see if anyone was able to unlock cores 2 and 3 on this board? Also, is their any other settings I should be adjusting besides enabling Hybrid Bios and ACC?

I have the same chip/mobo. Riskitall told me that this cpu doesn't unlock and after messing with the bios in various combinations of ACC/hybrid/cool'n'quiet, I have no reason to doubt him. He also cites lack of clear evidence that this is possible and ... that too, haven't come across many who have unlocked it.

My cooler gets here tomorrow so I'll see how much this baby can be pushed then. Already had it going at 108 deg C on my crappy cooler so hopefully I didn't damage it then.
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post #1143 of 1165
Quote:
Originally Posted by rainman1978;8377065 
I made it 4 cores...but it came out as an engineering sample chip, I'm surprised that no one here actually tried to unlock it or successfully unlock it....

I didn't tried push the clock higher after it was unlocked as the temp was high (60+ degree idle) with stock cooler.

Sold it off and got myself 550BE very soon after....

It was a great chip actually...

How??? I used every setting in BIOS and couldn't get mine unlocked!!
bet if it could be done, more than just one or two would report it.
Edited by bananapeal - 3/16/11 at 9:45am
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post #1144 of 1165
Hello,

I've recently OCed this chip to a modest 3.1Ghz at 1.47V. While it booted and ran at 3.0Ghz and stock voltage, I didn't test it to see if it could do math for extended periods.

At 3.1 and 1.4, it produced errors, and at 3.2 and 1.5 it couldn't open HWmonitor before crashing. Hence the 3.1 1.47v compromise. (Using all power-saving features... vreg, c1e, coolNquiet) I also have 4+1 power so I'm heeding warnings about high vCore.

Prime has run continuously for 6.5hrs overnight w/o error.

Temps: ambient: 19-20C.
proc. peak: 67C. VRM peak: 55C
Observed Proc Load: 55C idles in the low-mid 40s for mobo +proc
Observed VRM Load: 53C

My sensors spike momentarily so I'm not sure if it ever sustained 67C.

Details: 1715962.png

Will use it today and turn prime on again at night! cheers.gif
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post #1145 of 1165
been having some very weird spikes back and forth between stock settings and OC settings usually tied to the voltage, is this a cooling problem or do i need a better power supply?
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post #1146 of 1165
Quote:
Originally Posted by BWG;12705823 
Selling my Sandy Bridge parts, so I have to go back to this setup. I never tried overclocking this chip, but since I have expirienced 5.2GHz, I think I will now!

I have a couple of questions you guys might be able to help answer.

1) I have the chip on a Gigabyte GA-MA785GM-US2H Rev. 1.1. I wanted to see if anyone was able to unlock cores 2 and 3 on this board? Also, is their any other settings I should be adjusting besides enabling Hybrid Bios and ACC?

2) What is a good temp for this chip? I have a Scythe Mugen 2 Rev. B and when I run Prime95 Blend, my temp is about 22 at 3.2 200x16 1.5v.

3) Anyone popped one of these chips yet by pushing too much voltage through it? How much?
-The Temperature is Kosher.
-Furthest voltage I've seen is the 1.632 on the chart on the front page.
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post #1147 of 1165
Quote:
Originally Posted by Cheezburga;13532385 
been having some very weird spikes back and forth between stock settings and OC settings usually tied to the voltage, is this a cooling problem or do i need a better power supply?

-Check the temps your pumping out.
-Cool n Quiet or some other features to throttle down in your motherboard caused you to downclock. Look at your multiplier!

Make sure the chip isn't running realy hot. If it isn't, then look to disable thermal throttling/cool n' quiet. Should fix the issue.
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Seagate 500gb Sata2,WD 300GB Sata2 LITE ON DvD Burner Win Xp,Win7 64bit Samsung Syncmaster 20" 
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post #1148 of 1165
woot just got this chip from a member for $30... Looking at benchmarks once overclocked it is fairly close to the stock e8400 smile.gif

I am planning on running 5830 xfire. Or will this cpu bottleneck?
post #1149 of 1165
Quote:
Originally Posted by kidman2505;13532702 
-Check the temps your pumping out.
-Cool n Quiet or some other features to throttle down in your motherboard caused you to downclock. Look at your multiplier!

Make sure the chip isn't running realy hot. If it isn't, then look to disable thermal throttling/cool n' quiet. Should fix the issue.

Is that a good multiplier or a bad one? I'm probably going to go higher
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1 tb hitachi, 1tb WD Optaric Win 7 64 Bit 23 inch lg 2ms response 
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My System
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Athlon x2 7750 BE M3A78-Cm 9600gt 4gb 
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1 tb hitachi, 1tb WD Optaric Win 7 64 Bit 23 inch lg 2ms response 
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post #1150 of 1165
Ok. I bought all of the components in my system because of their OC'ing capabilities but never gone through with it simply because I am a newb at this and can't seem to find a good guide. Can someone recommend where I should start based on my specs?
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