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Phenom 2 x3 720BE Temp/Unlock Problem

post #1 of 7
Thread Starter 
Just built my brother's computer. Bought a Phenom 2 x3 720BE, mainly because it was $60 and a decent CPU. After I bought it, I found out that you can unlock the 4th core.

I've tried doing that with no success yet. I have an ASrock 880GM-LE board (with updated BIOS). ASrock has their one step UCC unlocker, which I tried once, and a built in manual ACC. The ACC has two headings (pg. 39): One has the actual unlocker; the other has a CPU Active Core Control. When I tried to manually unlock, I only enabled the ACC (I think). Didn't change any voltages or anything like that.

My first question is do I need to enable both ACC and the CPU ACC? If so, do I need to bump up the voltages until stable?

My second question deals with the core temps. Right now, this computer is running Ubuntu 11.04. I chose this because there isn't much my brother can do to "damage" the system. I get called from school and work all the time because he's managed to do something to his computer. Ubuntu helps solve that problem.

My current temps are this (Everything below):

temp1: 26
temp2: 30
temp3: 37

I've never run a Phenom before, so are these temps ok? Would it be safe to unlock? The cooler installed is a Hyper TX3 and the CPU is an OEM processor with a 30day warranty. If lapping would help, I would look into it.

Below is the entire terminal report from the sensors command. I noticed some things were way out of spec.

Vcore: +1.40 V (min = +0.00 V, max = +1.74 V)
in1: +0.23 V (min = +0.20 V, max = +1.72 V)
AVCC: +3.34 V (min = +2.98 V, max = +3.63 V)
+3.3V: +3.34 V (min = +2.98 V, max = +3.63 V)
in4: +1.67 V (min = +1.83 V, max = +1.60 V) ALARM
in5: +1.67 V (min = +1.38 V, max = +0.70 V) ALARM
in6: +1.88 V (min = +0.91 V, max = +1.22 V) ALARM
3VSB: +3.49 V (min = +2.98 V, max = +3.63 V)
Vbat: +3.44 V (min = +2.70 V, max = +3.30 V) ALARM
fan1: 0 RPM (min = 1004 RPM, div = 64) ALARM
fan2: 2812 RPM (min = 760 RPM, div = 8)
fan3: 0 RPM (min = 2636 RPM, div = 64) ALARM
fan5: 0 RPM (min = 3013 RPM, div = 64) ALARM
temp1: +26.0°C (high = -97.0°C, hyst = +104.0°C) sensor = thermistor
temp2: +30.5°C (high = +80.0°C, hyst = +75.0°C) sensor = thermistor
temp3: +37.0°C (high = +80.0°C, hyst = +75.0°C) sensor = thermistor
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post #2 of 7
Temps are fine and unlocking it wouldn't hurt. You may need to increase vcore, though.
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post #3 of 7
Thread Starter 
Even with a 10C difference between cores?

When I did try to unlock, it never POSTed. I guess I need to add more Vcore. Any suggestions on step size?
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post #4 of 7
Don't worry about core temps. They are barely reliable. Instead, focus on true CPU temp and try and keep it below 55c max.
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post #5 of 7
edit max temp of phenom II x3/x4's are 73! ... for cpu and core!

if you unlock and make some overclock you must stay under 65 degreess...
    
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post #6 of 7
Thread Starter 
I would rather keep it cool and "slow" than hot and fast.

@Xsever: you say to only rely on the "true CPU temp". Where would I go to check that? I've only used core temps to know my temp levels.
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i5 2500k: 4.5GHz @ 1.325 Asus Sabertooth P67 EVGA Superclocked 560Ti Corsair XMS3 2x2GB 1600MHz 
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WD Caviar Black 500GB x2 in RAID0 Lite-on 24x DVD Burner XSPC RX240 Kit Windows 7 Professional 
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post #7 of 7
Quote:
Originally Posted by rdfloyd View Post
@Xsever: you say to only rely on the "true CPU temp". Where would I go to check that? I've only used core temps to know my temp levels.
I use AIDA64.
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Phenom II X4 955 @4.1GHz/1.456V Gigabyte 880GA-UD3H Sapphire 6870 950/1100 G.Skill 8GB @ 1640 
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CPUMotherboardGraphicsRAM
Phenom II X4 955 @4.1GHz/1.456V Gigabyte 880GA-UD3H Sapphire 6870 950/1100 G.Skill 8GB @ 1640 
Hard DriveOptical DriveOSMonitor
WD 1TB Black + 2TB Green Samsung DVD Burner Windows 7 64-Bit 2X 20" Acer P206HL 
PowerCase
Antec Earthwatts 650 Ultra Wizard Black 
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