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How come no one talks about CPU degradation? My 920 D0 is degrading. - Page 8

post #71 of 178
Quote:
Originally Posted by i7monkey;12153494 
I don't have any spare mobos, cpus, or RAM around to do any testing. Should I buy a new PSU? Power bar? (lol). Fresh install? Get new bios?

Do you have a multimeter, or access to a multimeter, or $20 to buy a multimeter? If the answer is yes:

http://www.hardwareheaven.com/guides/testingPSU/
    
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post #72 of 178
Thread Starter 
Here's a test done 2 1/2 months ago (I honestly forget what the bios volts were, maybe 1.2625 or one notch higher, almost definite it was less than 1.27). The test so far was doing fine, CPUZ shows load volts being 1.192

linxloadallram.jpg



I'm doing Linx full load test right now (Vcore in bios @1.275ish) and load volts according to CPUZ is 1.200.
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post #73 of 178
Quote:
Originally Posted by i7monkey;12153631 
Here's a test done 2 1/2 months ago (I honestly forget what the bios volts were, maybe 1.2625 or one notch higher, almost definite it was less than 1.27). The test so far was doing fine, CPUZ shows load volts being 1.192

linxloadallram.jpg



I'm doing Linx full load test right now (Vcore in bios @1.275ish) and load volts according to CPUZ is 1.200.

Even though I know you have tested your RAM ok with memtest for DOS, you should try to relax memtimings and run IBT/LinX at your previous ok settings again. I know LinX/IBT is not a memtesting tool, however, if RAM timings are a little too tight (Partly faulty) LinX can give errors. I also want you to use memtest for Windows. Run 4 sessions, use 2750MB for each session/Window. And see if it passes 1 or 2 rounds.
    
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post #74 of 178
please explain how your D0 has degraded...

if you posts pics of your CPU needing 1.4Vore just to keep Stock clocks stable then yeah you have Degraded your CPU.
    
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post #75 of 178
What are your other volts set to? (QPI) If they are on auto they could be too high and shortening the life of your chip.
    
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post #76 of 178
have you tried running Prime Blend and Small FFTs. that helps sort out the unstable component a lot of times..
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post #77 of 178
Thread Starter 
Current bios settings (same settings as before). These settings used to be stable, but now they're not.
Quote:
AI Overclock tuner:Manual
CPU Ratio Setting:21
Intel (R) SpeedStep (T M) Tech: Disabled
BLCK Frequency:192
PCIE Frequency:100
DRAM Frequency:1539
UCLK Frequency:3079
QPI Link Data Rate:6929

CPU Voltage:1.275
CPU PLL Voltage:1.80 <--minimum voltage
QPI/DRAM Core Voltage:1.275
IOH Voltage:1.1 <--minimum voltage
IOH PCIE Voltage:1.5 <--minimum voltage
ICH Voltage:1.1 <--minimum voltage
ICH PCIE Voltage:1.5 <--minimum voltage
DRAM Bus Voltage:1.64
DRAM DATA REF Voltage on CHA:AUTO
DRAM DATA REF Voltage on CHA:AUTO
DRAM DATA REF Voltage on CHB:AUTO
DRAM DATA REF Voltage on CHB:AUTO
DRAM DATA REF Voltage on CHC:AUTO
DRAM DATA REF Voltage on CHC:AUTO




DRAM Timing Control:

1st Information :8-8-8-24-5-74-11-7-20-0

CAS# Latency:8
DRAM RAS# to CAS# Delay:8
DRAM RAS# PRE Time:8
DRAM RAS# ACT Time:24
DRAM RAS# to RAS# Delay AUTO
DRAM REF Cycle Time:AUTO
DRAM Write Recovery Time:AUTO
DRAM Read to Precharge Time:AUTO
DRAM FOUR ACT WIN Time:AUTO
DRAM Back-To-Back CAS# Delay:AUTO

2nd Information :2N-55-57-59

DRAM Timing Mode:AUTO
DRAM Round Trip Latency on CHA:AUTO
DRAM Round Trip Latency on CHB:AUTO
DRAM Round Trip Latency on CHC:AUTO

3rd Information :6-6-16-9-9-10-7-6-4-7-7-4

DRAM WRITE To READ Delay (DD):AUTO
DRAM WRITE To READ Delay (DR):AUTO
DRAM WRITE To READ Delay (SR):AUTO
DRAM READ To WRITE Delay (DD):AUTO
DRAM READ To WRITE Delay (DR):AUTO
DRAM READ To WRITE Delay (SR):AUTO
DRAM READ To READ Delay (DD):AUTO
DRAM READ To READ Delay (DR):AUTO
DRAM READ To READ Delay (SR):AUTO
DRAM WRITE To WRITE Delay (DD):AUTO
DRAM WRITE To WRITE Delay (DR):AUTO
DRAM WRITE To WRITE Delay (SR):AUTO

Load Line Calibration: Disabled
CPU Differential Amplitude:AUTO
CPU Clock Skew:AUTO
CPU Spread Spectrum:AUTO
IOH Clock Skew :AUTO
PCIE Spread Spectrum:AUTO


Advance CPU Settings

CPU Ratio Setting:21
C1E Suppport:ENABLED
Hardware Prefetcher:ENABLED
Adjacent Cache Line Prefetch:ENABLED
Intel® Virtualization Tech:ENABLED
CPU TM Function:ENABLED
Execute Disable Bit:ENABLED
Intel (R) HT Techology:ENABLED
Active Processor Cores:ALL
A20M: DISABLED
Intel (R) SpeedStep (TM) Tech: DISABLED
Intel (R) C-STATE Tech: DISABLED


Should I set the RAM to 9-9-9-24 instead of 8-8-8-24 and see if I still get errors?
Edited by i7monkey - 1/26/11 at 2:31pm
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post #78 of 178
Quote:
Originally Posted by koven;12153468 
just bump it up to 1.3v rolleyes.gif

+1

All cpus degrade even at stock, some faster than others from variation in quality, which is why intel sets vcore higher than needed to run stock, to allow for some cpus needing more vcore over time.

I had one cpu degrade, my E8400, had to bump up voltages a few times, then it finally settled out. Rarely, they can keep degrading until wont run stock, but that is usually people running really high vcore.

Your volts/temps are not bad, and even if you have to bump up vcore a few more times, your mobo or cpu, whichever the culprit will likely last until you want to upgrade. And if not, upgrade earlier.
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post #79 of 178
um if it degraded at 1.26 id say somthing else caused it cause some i7 have a vid that high.
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post #80 of 178
I'm a little confused here... Has the OP even said why he thinks the CPU is degrading?
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