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i5-3570k will no longer OC w/ hardware change

post #1 of 6
Thread Starter 
I am having the strangest results with an i5-3570k. I started off with the configuration below which allowed me a modest 4.2 Ghz OC w/ vcore set to Auto, and multi set to auto. This worked well and could be IBT all day long:
  • i5-3570k
  • MSI Z77 G41
  • 16 GB 1600 @2000 mhz ( 4 x 4 GB)
  • 500w Thermaltake power supply
  • DVD Optical
  • Win7 64 Pro
  • Conventional 500 GB 7200 RPM drive
  • Nvidia Quadro FX 4600
  • Thermaltake Water 2.0 Water cooler
  • MSI Raptor case

Then I went to this configuration change below:
  • i5-3570k
  • MSI Z77 G41
  • 8GB 1600 @1600 mhz ( 2 x 4 GB)
  • 500w Thermaltake power supply
  • DVD Optical
  • Win7 64 Home
  • Conventional 4 TB drive
  • Stock Intel CPU cooler
  • MSI Raptor case

Seriously, it is only the cooling and the OS that has changed and now, I cannot OC past stock settings. I keep getting BSOD 124. I have set voltage to maximum offset without success. I cannot turbo OC even at 3.8 GHZ. This is so super strange. The only thing major I changed for hardware was to go to the stock Intel air cooler. I can't get stable past anything but vanilla stock clocks. Same processor, same board, same case, same RAM, same PSU. I'm pretty puzzled that I can't even get +100 mhz out of it.
post #2 of 6
How warm is your CPU getting under load? That stock Intel cooler doesnt have much head room for overclocking. It is kinda weird you cant get 100 mhz though.
300R
(16 items)
 
Phenom M
(12 items)
 
 
CPUMotherboardGraphicsRAM
2500k Asrock Extreme 3 Gen 3 560ti 8GB 1600mhz 
Hard DriveCoolingOSMonitor
Agility 3 Watercooled Windows 7 QNIX 1440p 
MonitorKeyboardPowerCase
19" Dell CM Quickfire Rapid Blue Keys Kingwin STR-500 300R 
MouseMouse PadAudioAudio
Mionix Naos 3200 Func Industries 1030 Z-5500 Sennheiser HD 280 Pro 
CPUMotherboardGraphicsRAM
4670K Z87M Extreme 4 290 PNY 8 GB 
Hard DriveCoolingOSMonitor
OCZ Agility 3 240GB SSD Corsair AIO Win 7 Qnix 1440p 
KeyboardCaseMouseAudio
Quickfire Rapid (Blues) Prodigy M Mionix Naos 3200 Sennheiser HD280 
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300R
(16 items)
 
Phenom M
(12 items)
 
 
CPUMotherboardGraphicsRAM
2500k Asrock Extreme 3 Gen 3 560ti 8GB 1600mhz 
Hard DriveCoolingOSMonitor
Agility 3 Watercooled Windows 7 QNIX 1440p 
MonitorKeyboardPowerCase
19" Dell CM Quickfire Rapid Blue Keys Kingwin STR-500 300R 
MouseMouse PadAudioAudio
Mionix Naos 3200 Func Industries 1030 Z-5500 Sennheiser HD 280 Pro 
CPUMotherboardGraphicsRAM
4670K Z87M Extreme 4 290 PNY 8 GB 
Hard DriveCoolingOSMonitor
OCZ Agility 3 240GB SSD Corsair AIO Win 7 Qnix 1440p 
KeyboardCaseMouseAudio
Quickfire Rapid (Blues) Prodigy M Mionix Naos 3200 Sennheiser HD280 
  hide details  
Reply
post #3 of 6
Try testing your ram with mem test
post #4 of 6
Thread Starter 
it isn't getting hotter than low 80's, that's the crazy part. I've gotten a CPU to throttle due to temp, but it doesn't BSOD for low voltage just because its getting hot.

It can boot into some minor OC, but it can't take the stress tests. The only thing that can take a serious stress test is the stock configuration for clocks. I finally got it to live through some 40-40-38-38 multis at light IBT passes, but not on very high settings.

I guess I can have memtest running and try that.
post #5 of 6
Thread Starter 
RAM is fine. The big difference I've found between the stock cooler and the water cooler is that the idle temps are much higher. Stock Intel Cooler = 48c idle. Water Cooler = 33c idle. So when you're dealing with much higher base temperatures, the spikes are harder to clip and will rise much faster. None of us can probably see what the actual peak temps are unless you use an oscilloscope and fancy DAQ.

Without spending the money on better cooling, I guess Intel pretty much has their retail processors setup to the max. This is probably why the SB-E processors don't even come with any type of cooler, you'd just be lying to yourself trying to run one on a stock Intel cooler.
post #6 of 6
Thread Starter 
I'm finding that the thermal limit with the stock Intel Cooler is underwhelmingly low. I cannot even run an i5-3570k w/ all 4 cores @ 3.8 Ghz. The limit is 4 cores @ 3.6 Ghz. Which pulls about 93 Gflops, which will be fine for Grandma's computer.

Buyer beware for anyone posting a 4.2 ghz i5 system on eBay on the stock Intel cooler, those systems are only suicide posting and no way stable. They would be BSOD land. On a lighter note though, at least you can OC the IGPU and RAM at those clocks at least.
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