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disable C1E in BIOS, but CPU speed still keep changing in windows XP!

post #1 of 10
Thread Starter 
I bought a E6500 to replace my existing OC 420. I know I wouldn't like C1E so I disable it first in bios. Somehow with the new E6500, the speed would keep changing in cpuz, and even I fullload it, no matter using superpi or watching a HD video with 100% load, it wouldn't even push itself to the best Ghz it can, and would remain at the C1E lower multiplier level. It is so abnormal for me, I brought it to the Intel local support two times, but they said in their testing the cpu and board are totally fine.

I am using intel DG41TY motherboard.

I wonder would that be ram problem, or power supply problem. Or may be even Windows XP problem. I have a ghost of my original Windows install, and I recover the system with the ghost imagine, same problem exist.

Finally I pull the OC 420 back, but the crazy auto c1e problem comes again too while 420 not suppose to have c1e function, ho my god!

I have no idea what is going wrong.
    
CPUMotherboardGraphicsRAM
E6500 2.93Ghz OC to 3.66Ghz Intel DG41TY HD5700 ADATA 667 DDR2 
Hard DriveOSMonitorPower
WD Caviar Green 500 GB SATA Windows XP professional Samsung 24" GTR power supply 380v 
Case
2th max 
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CPUMotherboardGraphicsRAM
E6500 2.93Ghz OC to 3.66Ghz Intel DG41TY HD5700 ADATA 667 DDR2 
Hard DriveOSMonitorPower
WD Caviar Green 500 GB SATA Windows XP professional Samsung 24" GTR power supply 380v 
Case
2th max 
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post #2 of 10
Turn off SpeedStep
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Q9450 Gigabyte EP45-UD3P Powercolor PCS+ HD7870 Myst 4x 2GB G.skill DDR2 1100 
Hard DriveHard DriveHard DriveOptical Drive
OCZ Vertex 3 120GB WD Velociraptor 300GB Caviar Green 500GB LG 24x Super-Multi 
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post #3 of 10
or E1st?
HARDAC
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e8400 @ 3600MHz (1.15v) EP35-DS3L EVGA GTS 450 2 x 2gb Corsair XMS2 DDR2 800 
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Seagate 7200.11 500gb Lite On 20x DVD Burner XP x64 + Hardy Heron 20.1 LG L206-WU 
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HARDAC
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e8400 @ 3600MHz (1.15v) EP35-DS3L EVGA GTS 450 2 x 2gb Corsair XMS2 DDR2 800 
Hard DriveOptical DriveOSMonitor
Seagate 7200.11 500gb Lite On 20x DVD Burner XP x64 + Hardy Heron 20.1 LG L206-WU 
KeyboardPowerCase
Logitech wireless 5s10 Thermaltake 550W Cooler Master 534+ 
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post #4 of 10
Turn off every power saving feature you can find.
C1E, SpeedStep, "CPU Frequency controlled by Operating System", and whatever you can find that has a connection to CPU power mgmt...
post #5 of 10
Quote:
Originally Posted by srsdude;11891081 
Turn off every power saving feature you can find.
C1E, SpeedStep, "CPU Frequency controlled by Operating System", and whatever you can find that has a connection to CPU power mgmt...

this.
post #6 of 10
Quote:
Originally Posted by Arbitr;11891059 
or E1st?

EIST = enhanced Intel SPEEDSTEP technology

Sent from my Droid using Tapatalk
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(16 items)
 
   
CPUMotherboardGraphicsRAM
Q9450 Gigabyte EP45-UD3P Powercolor PCS+ HD7870 Myst 4x 2GB G.skill DDR2 1100 
Hard DriveHard DriveHard DriveOptical Drive
OCZ Vertex 3 120GB WD Velociraptor 300GB Caviar Green 500GB LG 24x Super-Multi 
CoolingOSMonitorPower
Thermalright Venomous-X RT Win 7 Home Premium x64 ASUS VH222H Corsair HX650 
CaseMouseAudio
Corsair 600T SE White Cyborg R.A.T. 7 AKG K 702 
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(16 items)
 
   
CPUMotherboardGraphicsRAM
Q9450 Gigabyte EP45-UD3P Powercolor PCS+ HD7870 Myst 4x 2GB G.skill DDR2 1100 
Hard DriveHard DriveHard DriveOptical Drive
OCZ Vertex 3 120GB WD Velociraptor 300GB Caviar Green 500GB LG 24x Super-Multi 
CoolingOSMonitorPower
Thermalright Venomous-X RT Win 7 Home Premium x64 ASUS VH222H Corsair HX650 
CaseMouseAudio
Corsair 600T SE White Cyborg R.A.T. 7 AKG K 702 
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post #7 of 10
Well for one, G41 is not fully HD capable at all.
post #8 of 10
j2ee, I told you this before, it's a problem with the board. You won't find a setting in the BIOS or even if there is, it won't work correctly.

My parents' DP55WG does the same. I found that enabling EIST but disabling C1E helps a bit but doesn't entirely solve the issue.

Try downloading Real Temp and uncheck EIST under settings.
post #9 of 10
Thread Starter 
I sent the board to the local intel support two times, two times they check and say both cpu and board have no problem. Can it be ram problem? Or Harddisk? Or even power supply? or Windows?
Quote:
Originally Posted by SimpleTech;11893236 
j2ee, I told you this before, it's a problem with the board. You won't find a setting in the BIOS or even if there is, it won't work correctly.

My parents' DP55WG does the same. I found that enabling EIST but disabling C1E helps a bit but doesn't entirely solve the issue.

Try downloading Real Temp and uncheck EIST under settings.
    
CPUMotherboardGraphicsRAM
E6500 2.93Ghz OC to 3.66Ghz Intel DG41TY HD5700 ADATA 667 DDR2 
Hard DriveOSMonitorPower
WD Caviar Green 500 GB SATA Windows XP professional Samsung 24" GTR power supply 380v 
Case
2th max 
  hide details  
Reply
    
CPUMotherboardGraphicsRAM
E6500 2.93Ghz OC to 3.66Ghz Intel DG41TY HD5700 ADATA 667 DDR2 
Hard DriveOSMonitorPower
WD Caviar Green 500 GB SATA Windows XP professional Samsung 24" GTR power supply 380v 
Case
2th max 
  hide details  
Reply
post #10 of 10
Thread Starter 
Quote:
Originally Posted by srsdude;11891081 
Turn off every power saving feature you can find.
C1E, SpeedStep, "CPU Frequency controlled by Operating System", and whatever you can find that has a connection to CPU power mgmt...

just one option in my intel board and I always turn it off.
    
CPUMotherboardGraphicsRAM
E6500 2.93Ghz OC to 3.66Ghz Intel DG41TY HD5700 ADATA 667 DDR2 
Hard DriveOSMonitorPower
WD Caviar Green 500 GB SATA Windows XP professional Samsung 24" GTR power supply 380v 
Case
2th max 
  hide details  
Reply
    
CPUMotherboardGraphicsRAM
E6500 2.93Ghz OC to 3.66Ghz Intel DG41TY HD5700 ADATA 667 DDR2 
Hard DriveOSMonitorPower
WD Caviar Green 500 GB SATA Windows XP professional Samsung 24" GTR power supply 380v 
Case
2th max 
  hide details  
Reply
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