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ASUS Mobo 760G Chipset Overclocking Weird prime95 Errors

post #1 of 6
Thread Starter 
So my build: http://pcpartpicker.com/b/GUq

FX-6300
Cooler Master Hyper TX3
Asus M5A78L-M/USB3 Micro ATX AM3+ - 760G chipset - bios version 1503
A-Data XPG Gaming Series 8GB (2 x 4GB) DDR3-1600

I am currently stable at stock voltages and 4.4GHz. I was attempting to up the CPU voltage and multiplier last night and i had a few weird things happening that i couldn't find any resources on, so i decided i would make this post.

First thing is that when i turn the multiplier up to 4.5GHz and run prime95 my CPU speed will jump from 4.5 to 3.0 back and forth. At First i thought that there might be a power saving setting on still but wasn't able to find any lists of the power supply settings for bios version 1503 on 760G mobo. I went through all the setting and couldn't find any settings that seemed to be power saver that i hadn't already turned off.

The second thing is that when as i turned up he voltage to 1.35 from 1.3 slowly, i would only get errors on workers 5 and 6 in prime95. Is this common to only get errors on the same cores over and over again? It made me nervous thinking that i was stressing the certain cores too much and gave up for now.

Does anyone know of a list of the power saving settings for an ASUS Mobo 1503 bios version? And are there usually "problem cores" when upping multipliers?

I understand my chipset is not the best for overclocking and 4.4 might be as high as i can go, but i would just like to make sure.
post #2 of 6
http://www.overclock.net/t/946407/amd-motherboards-vrm-info-database

It is not recomended you overclock that board without adding extra cooling to the VRM. I still wouldnt do it anyway. 4+1 is not good for OC. You are also not using the stock cooler for the CPU. Board thermal constraints are set with the stock cooler blowing incidnetal air on the VRM. You are at an even higher risk for failure now as you are using a tower cooler that blows no incidental air on the VRM.

If you insist on continuing, you should add these to the mosfets and these to the phase coils. You should also direct airflow towards them. (the phase coils maybe not so much, but the more heat you dissapate from that area the better).

As for the rest of your questions, sorry, dunno.
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post #3 of 6
Thread Starter 
wow thanks for telling me that, i had no clue.

So are you saying i shouldn't overclock at all on this board or i just shouldn't up the voltages? i might take the fan left from the stock cooler and try to mod it to blow air on my VRM's? to make up for the lack of incidental air?
post #4 of 6
Most VRM failures from overclocking are caused by mosfets giving out under the heat, but there are other, less common ways for parts of a VRM to fail.

You should read these articles.

http://www.overclock.net/amd-cpus/943109-why-vrms-big-issue-why-usually.html
http://www.overclock.net/general-processor-discussions/973918-clarification-phases-also-re-exploding-gtx590s.html

If you continue, I would get a thermal gun and make sure you keep things cool.
http://www.amazon.com/Temperature-Infrared-Thermometer-Laser-Sight/dp/B002YE3FS4/ref=sr_1_1?ie=UTF8&qid=1382630663&sr=8-1&keywords=thermal+gun
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OSMonitorKeyboardPower
Microsoft Windows 7 Ultimate Toshiba Regza 52" 1920 x 1080 @ 120Hz  Microsoft Wireless Comfort 5000 Keyboard and Mouse SeaSonic M12II 750 
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My TV Stand Cabinet Creative Sound Blaster X-Fi Titanium 
CPUMotherboardGraphicsRAM
FX-4300 Gigabyte GA-78LMT-USB3 EVGA Geforce GTX 260 G.Skill Ripjaws X 
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Corsair SSD Samsung 7200 Laptop drive Some DVD Burner I took out of a dead Dell. Noctua NH-C12P SE14 
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The Water Ninja
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AMD FX-8350 @ 4.8Ghz CROSSHAIR V FORMULA-Z MSI GTX 980 Gaming 4g 16Gb G. Skill Ripjaws 4x4 @ 1600 
Hard DriveHard DriveHard DriveOptical Drive
Samsung 840 PRO 128Gb SSD Intel 160 Gb SSD Intel 250 Gb SSD Generic DVD-RW 
CoolingCoolingCoolingCooling
2 x Noctua (NF-P12-1300 )1300rpm Premium Silent... 2 x Corsair Air Series SP120   COUGAR CF-V12H Vortex Hydro-Dynamic-Bearing  Monsoon 90° Rotary Angle Fitting - 5/8" - Red 
CoolingCoolingCoolingCooling
Bitspower Dual / Single D5 Top Upgrade Kit 100 ... ModMyToys DreamFlex Premium 3/8" ID Tubing Reta... Coolance Liquid Coolant Bottle, 700mL Fluoresce... Coolance PMP 450 Variable Speed D5 Pump 
CoolingCoolingCoolingCooling
Bitspower D5 Mod Top V2 Pom version Alphacool NexXxos UT60 Full Copper Radiator 240 Noctua NF-A6X25 FLX Quiet Computer Cooling Fan ... NZXT Sentry Mesh Fan Controller w/ Five 30 watt... 
OSMonitorKeyboardPower
Microsoft Windows 7 Ultimate Toshiba Regza 52" 1920 x 1080 @ 120Hz  Microsoft Wireless Comfort 5000 Keyboard and Mouse SeaSonic M12II 750 
CaseAudio
My TV Stand Cabinet Creative Sound Blaster X-Fi Titanium 
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FX-4300 Gigabyte GA-78LMT-USB3 EVGA Geforce GTX 260 G.Skill Ripjaws X 
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Corsair SSD Samsung 7200 Laptop drive Some DVD Burner I took out of a dead Dell. Noctua NH-C12P SE14 
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Dell 19" 16:9 Logitec wireless Enermax 650w Apevia X-Cruiser3 Pink 
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Windows 7 Ultimate 64bit Toshiba Regza 52" 1080p Logitech K400 Antec EarthWatts Green EA-380D 
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post #5 of 6
Thread Starter 
Right i understand, and i did read through those articles, but if i keep the stock voltages, will the VRM's produce more heat? Assuming that the voltage stays the same does that mean that the CPU pulls more current when overclocking? As far as i can tell from the TDP im getting in HWmonitor doesn't really change as i up the multiplier. I definitely am not going to up the voltages anymore in order to get higher than 4.4.

Thanks again for helping me with this.
post #6 of 6
I dont know of a single temperature monitoring program that accurately guages temperatures anymore with the new FX processors and motherobards. That is one reason I am recommending a thermal gun.

Maybe someone else can answer, but I'm not sure how much more hate is generated by upping the clock without upping the voltages. Probably not much but I'm not certain.
The Water Ninja
(26 items)
 
Pepto Pony
(12 items)
 
MrDVR
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CPUMotherboardGraphicsRAM
AMD FX-8350 @ 4.8Ghz CROSSHAIR V FORMULA-Z MSI GTX 980 Gaming 4g 16Gb G. Skill Ripjaws 4x4 @ 1600 
Hard DriveHard DriveHard DriveOptical Drive
Samsung 840 PRO 128Gb SSD Intel 160 Gb SSD Intel 250 Gb SSD Generic DVD-RW 
CoolingCoolingCoolingCooling
2 x Noctua (NF-P12-1300 )1300rpm Premium Silent... 2 x Corsair Air Series SP120   COUGAR CF-V12H Vortex Hydro-Dynamic-Bearing  Monsoon 90° Rotary Angle Fitting - 5/8" - Red 
CoolingCoolingCoolingCooling
Bitspower Dual / Single D5 Top Upgrade Kit 100 ... ModMyToys DreamFlex Premium 3/8" ID Tubing Reta... Coolance Liquid Coolant Bottle, 700mL Fluoresce... Coolance PMP 450 Variable Speed D5 Pump 
CoolingCoolingCoolingCooling
Bitspower D5 Mod Top V2 Pom version Alphacool NexXxos UT60 Full Copper Radiator 240 Noctua NF-A6X25 FLX Quiet Computer Cooling Fan ... NZXT Sentry Mesh Fan Controller w/ Five 30 watt... 
OSMonitorKeyboardPower
Microsoft Windows 7 Ultimate Toshiba Regza 52" 1920 x 1080 @ 120Hz  Microsoft Wireless Comfort 5000 Keyboard and Mouse SeaSonic M12II 750 
CaseAudio
My TV Stand Cabinet Creative Sound Blaster X-Fi Titanium 
CPUMotherboardGraphicsRAM
FX-4300 Gigabyte GA-78LMT-USB3 EVGA Geforce GTX 260 G.Skill Ripjaws X 
Hard DriveHard DriveOptical DriveCooling
Corsair SSD Samsung 7200 Laptop drive Some DVD Burner I took out of a dead Dell. Noctua NH-C12P SE14 
MonitorKeyboardPowerCase
Dell 19" 16:9 Logitec wireless Enermax 650w Apevia X-Cruiser3 Pink 
CPUMotherboardGraphicsRAM
A6-6400K Dual Core MSI A78M-E35 Onboard 4Gb G.Skill Ripjaws 1600Mhz (2 x 2) 
Hard DriveHard DriveOptical DriveCooling
Intel 320 SSD Western Digital 2.5" 1Tb 7200rpm  LG External Blue-ray Combo Drive Noctual NH-L9a 92mm SS02 
OSMonitorKeyboardPower
Windows 7 Ultimate 64bit Toshiba Regza 52" 1080p Logitech K400 Antec EarthWatts Green EA-380D 
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A piece of plywood and some zip ties. Onboard Hauppauge WinTV HVR-2250 dual tuner card. 
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The Water Ninja
(26 items)
 
Pepto Pony
(12 items)
 
MrDVR
(15 items)
 
CPUMotherboardGraphicsRAM
AMD FX-8350 @ 4.8Ghz CROSSHAIR V FORMULA-Z MSI GTX 980 Gaming 4g 16Gb G. Skill Ripjaws 4x4 @ 1600 
Hard DriveHard DriveHard DriveOptical Drive
Samsung 840 PRO 128Gb SSD Intel 160 Gb SSD Intel 250 Gb SSD Generic DVD-RW 
CoolingCoolingCoolingCooling
2 x Noctua (NF-P12-1300 )1300rpm Premium Silent... 2 x Corsair Air Series SP120   COUGAR CF-V12H Vortex Hydro-Dynamic-Bearing  Monsoon 90° Rotary Angle Fitting - 5/8" - Red 
CoolingCoolingCoolingCooling
Bitspower Dual / Single D5 Top Upgrade Kit 100 ... ModMyToys DreamFlex Premium 3/8" ID Tubing Reta... Coolance Liquid Coolant Bottle, 700mL Fluoresce... Coolance PMP 450 Variable Speed D5 Pump 
CoolingCoolingCoolingCooling
Bitspower D5 Mod Top V2 Pom version Alphacool NexXxos UT60 Full Copper Radiator 240 Noctua NF-A6X25 FLX Quiet Computer Cooling Fan ... NZXT Sentry Mesh Fan Controller w/ Five 30 watt... 
OSMonitorKeyboardPower
Microsoft Windows 7 Ultimate Toshiba Regza 52" 1920 x 1080 @ 120Hz  Microsoft Wireless Comfort 5000 Keyboard and Mouse SeaSonic M12II 750 
CaseAudio
My TV Stand Cabinet Creative Sound Blaster X-Fi Titanium 
CPUMotherboardGraphicsRAM
FX-4300 Gigabyte GA-78LMT-USB3 EVGA Geforce GTX 260 G.Skill Ripjaws X 
Hard DriveHard DriveOptical DriveCooling
Corsair SSD Samsung 7200 Laptop drive Some DVD Burner I took out of a dead Dell. Noctua NH-C12P SE14 
MonitorKeyboardPowerCase
Dell 19" 16:9 Logitec wireless Enermax 650w Apevia X-Cruiser3 Pink 
CPUMotherboardGraphicsRAM
A6-6400K Dual Core MSI A78M-E35 Onboard 4Gb G.Skill Ripjaws 1600Mhz (2 x 2) 
Hard DriveHard DriveOptical DriveCooling
Intel 320 SSD Western Digital 2.5" 1Tb 7200rpm  LG External Blue-ray Combo Drive Noctual NH-L9a 92mm SS02 
OSMonitorKeyboardPower
Windows 7 Ultimate 64bit Toshiba Regza 52" 1080p Logitech K400 Antec EarthWatts Green EA-380D 
CaseAudioOther
A piece of plywood and some zip ties. Onboard Hauppauge WinTV HVR-2250 dual tuner card. 
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