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DFI LanParty 875P-T O/C'ing problems

post #1 of 9
Thread Starter 
alright, here goes nothing, my mother board is a DFI LanParty 875P-T, CPU is 3.2 ghz LGA 775 prescott, and i have 1 gig of kingston ram. I recently bought a ZALMAN CNPS9500 to cool my processor and i bought copper heatspreaders for my ram. Without o/cing my computer, my cpu idles at around 33 C. The problem im having is when i put my clock speed over 230 mhz, it crashes and its not due to voltages that i am aware. I know heat is not the problem unless my ram is overheating. it seems that when i increase my clock speed, my ram speed also increases and i think thats what may be the problem. please anyone help, ive read the guides and am having a hard time figuring out what is wrong, i know i can make my cpu faster than 3.6.

right now my vcore is at 1.525V and dimm is at 2.6 V O/Ced to 3.6 ghz (225mhz clock speed)
post #2 of 9
Make sure spread spectrum is disabled in the bios and that your auto detect clock is disabled.
My System
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CPUMotherboardGraphicsRAM
3700+ SD KACAE @ 3.0 Lanparty Ultra D eVGA 7900GT KO Superclock 1 Gig G.Skill DDR550 TCCD 
Hard DriveOSMonitorPower
X2 80 Gig Seagate Raid 0 XP Home ViewSonic E90F+ 500 Watt 
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My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
3700+ SD KACAE @ 3.0 Lanparty Ultra D eVGA 7900GT KO Superclock 1 Gig G.Skill DDR550 TCCD 
Hard DriveOSMonitorPower
X2 80 Gig Seagate Raid 0 XP Home ViewSonic E90F+ 500 Watt 
CaseMouse
MGE Viper RaZeR CopperHead 
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post #3 of 9
Thread Starter 
i have spread spec. disabled, are you talking about the auto detect pci clock? i believe that is enabled

if memory is the problem, is there anway to speed up the cpu without o'cing the memory, cuz its at 450 mhz right now and im pleased with that, i just want maybe 3.8 to 4.0 ghz cpu speed
post #4 of 9
Thread Starter 
what about lowering the timings? they are at 3 3 3 8 atm

here are some pictures....


post #5 of 9
Sounds like you might want to run a divider on the ram. Instead of running the ram as stock (200) knock it down a notch to (166). You might get a bit further. Also you might want to download a program called memtest, and test your ram at the current settings.
BTW what are your load temps?? Run prime95 for about ten minutes to see what your load temps are, if your pushing past 55C Id back the system down a notch and loose some voltage, Im not possitive but isnt the stock voltage for a 540 around 1.3**? Your voltage sounds a little to high for such a small overclock.
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CPUMotherboardGraphicsRAM
940 C1 step Lapped ASUS E Premium Droop mod X1950XT custom TDX XMS2 675C4 Pro LED 
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2x200 Maxtor SATA XP SP2 Acer 22" Wide Microsoft multi media 
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My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
940 C1 step Lapped ASUS E Premium Droop mod X1950XT custom TDX XMS2 675C4 Pro LED 
Hard DriveOSMonitorKeyboard
2x200 Maxtor SATA XP SP2 Acer 22" Wide Microsoft multi media 
PowerCaseMouse
OCZ GXS 700 Raidmax Ninja Black Micron 2.4 C/L 
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post #6 of 9
Thread Starter 
Quote:
Originally Posted by Adeoliver
Sounds like you might want to run a divider on the ram. Instead of running the ram as stock (200) knock it down a notch to (166). You might get a bit further. Also you might want to download a program called memtest, and test your ram at the current settings.
BTW what are your load temps?? Run prime95 for about ten minutes to see what your load temps are, if your pushing past 55C Id back the system down a notch and loose some voltage, Im not possitive but isnt the stock voltage for a 540 around 1.3**? Your voltage sounds a little to high for such a small overclock.
i knocked down vcore to 1.425V stable at 3.64 ghz. dimm 2.6 V stable, my load temps are like 47 C
post #7 of 9
Check this thread at DFI-STREET its a rig like yours and has the setting to help you out.
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
3700+ SD KACAE @ 3.0 Lanparty Ultra D eVGA 7900GT KO Superclock 1 Gig G.Skill DDR550 TCCD 
Hard DriveOSMonitorPower
X2 80 Gig Seagate Raid 0 XP Home ViewSonic E90F+ 500 Watt 
CaseMouse
MGE Viper RaZeR CopperHead 
  hide details  
Reply
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
3700+ SD KACAE @ 3.0 Lanparty Ultra D eVGA 7900GT KO Superclock 1 Gig G.Skill DDR550 TCCD 
Hard DriveOSMonitorPower
X2 80 Gig Seagate Raid 0 XP Home ViewSonic E90F+ 500 Watt 
CaseMouse
MGE Viper RaZeR CopperHead 
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post #8 of 9
Thread Starter 
i love you
post #9 of 9
Quote:
Originally Posted by zink16
i love you
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Hard DriveOptical DriveOSMonitor
2 X Callisto Deluxe 25nm 60GB Plextor PX-B910SA 4x Blu-ray DVD-RW Win7 64 2 x Samsung 275T+ 
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