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Confusing Results with my 4770k OC

post #1 of 3
Thread Starter 
i am using an Asus Z87 Pro board and using there Asus AI suite to overclock to give me an idea on things and it reaches 4.6Ghz both using 125 BCLK, and 100x46 this was with 1.273 Vcore stable for a few hours can pass all benchmancks and then randomly crashes later on when doing a video conversion or playing a game really strange this happens both on BCLK and Ratio Overclocking after better understanding what the ASUS AI dose i start playing around with the bios

i have delided my CPU, and these are the results i was able to get using IBT on maximum

125x37 @ 1.273 Passed full test
100x46 @ 1.273 Passed full test (Got 133 GFlops)
100x47 @ 1.273 Failed during the test
100x47 @ 1.307 Passed full test (Got 136 GFlops)
100x48 @ 1.307 Failed during the test
100x48 @ 1.350 Passed full test (Got 138 GFlops)
100x49 @ 1.350 Failed during the test
100x49 @ 1.400 Failed during the test
100x49 @ 1.450 Failed during the test

clearly 48 was my max, but i chose 47 to stick with as it showed a good improvement on GFlops and i thought it would be more stable over all, i was able to game and use video editing and converting tools for the 3 days before it crashed, pc was on nearly 24 hours a day doing all this temps no higher than 60c on max load, so no worry on that part but the random crashing has annoyed me?

i then went down to 4.6Ghz and kept the same Vcore, crashed, upped the Vcore all the way to 1.45 and still crashing?

i just done a test for reference 100x37 @ 1.307 gives out 106 GFlops for my video converting i want maximum GFlops

i have tried lowering the NB and Raising the NB as low as 3Ghz and as high as 4.2 Ghz to no success default i keep it at is 3.5Ghz, my Input Voltage is still 1.8 and have raised it to 1.9 before but not sure if that makes a difference?

i am using windows 8 and i am wondering if this OS is not stable enough and is the cause for the crashing and not the CPU? i keep getting the same two errors,

WHEA_UNCORRECTABLE_ERROR
WHEA_CLOCK_WATCH - cant fully remember if this is fully correct wording but looks similar to that

any idea's? im still playing around and trying to find something that works even if it is to go back to Windows 7
Poisoned Blood
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Poisoned Blood
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Intel Core i7 4770K ASUS Z87-Deluxe XFX HD 7970 DD Edition 3Gb GDDR5 XFX HD 7970 DD Edition 3Gb GDDR5 
RAMHard DriveHard DriveOptical Drive
4Gb G Skills F3-17000CL9-4GBZH 2 x OCZ Agility 3 120Gb SSD WD 2Tb Green HDD LG BD RW 
Optical DriveCoolingOSMonitor
LG BD ROM XSPC Raystorm Copper CPU Block, XSPC RX120 Radi... Windows 8 Pro x64 27" LG (M2762D) 
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post #2 of 3
Thread Starter 
forgot to mention i even went down to 4.4Ghz still at 1.307 Vcore and it crashed only when i have gone down to 3.7hz with the same Vcore 1.307 it stable again i'm gonna increase 1 multiplier at a time and see what i get for 1.307 Vcore
Poisoned Blood
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CPUMotherboardGraphicsGraphics
Intel Core i7 4770K ASUS Z87-Deluxe XFX HD 7970 DD Edition 3Gb GDDR5 XFX HD 7970 DD Edition 3Gb GDDR5 
RAMHard DriveHard DriveOptical Drive
4Gb G Skills F3-17000CL9-4GBZH 2 x OCZ Agility 3 120Gb SSD WD 2Tb Green HDD LG BD RW 
Optical DriveCoolingOSMonitor
LG BD ROM XSPC Raystorm Copper CPU Block, XSPC RX120 Radi... Windows 8 Pro x64 27" LG (M2762D) 
KeyboardPowerCaseMouse
Logitech G510 XFX Pro 1000W Black Edition '80+ Platinum' Cert... Antec 1100 Eleven Hundred Ultimate Gaming Tower... Logitech G700 
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Poisoned Blood
(17 items)
 
  
CPUMotherboardGraphicsGraphics
Intel Core i7 4770K ASUS Z87-Deluxe XFX HD 7970 DD Edition 3Gb GDDR5 XFX HD 7970 DD Edition 3Gb GDDR5 
RAMHard DriveHard DriveOptical Drive
4Gb G Skills F3-17000CL9-4GBZH 2 x OCZ Agility 3 120Gb SSD WD 2Tb Green HDD LG BD RW 
Optical DriveCoolingOSMonitor
LG BD ROM XSPC Raystorm Copper CPU Block, XSPC RX120 Radi... Windows 8 Pro x64 27" LG (M2762D) 
KeyboardPowerCaseMouse
Logitech G510 XFX Pro 1000W Black Edition '80+ Platinum' Cert... Antec 1100 Eleven Hundred Ultimate Gaming Tower... Logitech G700 
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post #3 of 3
Have you tried increasing the Cache Voltage (I think that's the Asus name for it)? Try 1.1V or 1.15V - that is the voltage for the ring bus and you normally need to increase it for higher overclocks. Also try raising the voltage for VCCIOD (not sure what Asus calls it - the Digital I/O voltage), try +0.05V for that and see if it helps. The clock_watchdog_error (x124) seems to be cache or ring bus related (so Cache Voltage or VCCIOD) while the WHEA_uncorrectable (x101) is more likely Vcore.
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