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[SOLVED] Overvolting CPU Issue with Gigabyte MA78LM-S2H

post #1 of 6
Thread Starter 
I am attempting to overclock my AMD X3 720 to 3.4GHz but I am at brick wall at 3.2GHz. Fairly obviously this is because my CPU voltage is still at 1.325v. After reading the manual and sorting out the BIOS, I tried to up the voltage by .025. Now it seems quite clear to me that I set it up to do just that, but when I look at the CPU voltage in CPU-Z or AMD OverDrive it tells me that I am stuck at 1.325. I have even tried undervolting this damn thing and changing the voltage setting in the BIOS never does anything!
So I'm curious if there is some sort of odd procedure for increasing the voltage for a Gigabyte motherboard, or my mainboard doesn't support changing the voltage, or is there just something wrong with my particular motherboard.

EDIT: There was no issue with the hardware or BIOS. OS installed hardware monitors simply don't work too well.
Edited by landstander - 6/8/10 at 9:28am
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Phenom X3 720 BE Gigabyte MA78LM-S2H PNY 9800 GT 4GB 
OSKeyboardPowerMouse
Windows 7 64bit and Gentoo ABS PC Power & Cooling - 750 Logitech MX518 
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My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Phenom X3 720 BE Gigabyte MA78LM-S2H PNY 9800 GT 4GB 
OSKeyboardPowerMouse
Windows 7 64bit and Gentoo ABS PC Power & Cooling - 750 Logitech MX518 
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post #2 of 6
did you save the changes in the BIOS? What, it happens! And the monitoring software may be off.

EDIT: By off i mean not reporting correctly
    
CPUMotherboardGraphicsRAM
Xeon w3680 Gigabyte X58A-UD3R GTX 295 Engineering Samples 2X Corsair XMS3 
Hard DriveHard DriveCoolingOS
Sandisk SSD Seagate Corsair H50 W7 Ult 
MonitorMonitorKeyboardCase
Viewsonic VA1912wb Viewsonic VA912b K350 CM HAF 
Mouse
Logitech M570 
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CPUMotherboardGraphicsRAM
Xeon w3680 Gigabyte X58A-UD3R GTX 295 Engineering Samples 2X Corsair XMS3 
Hard DriveHard DriveCoolingOS
Sandisk SSD Seagate Corsair H50 W7 Ult 
MonitorMonitorKeyboardCase
Viewsonic VA1912wb Viewsonic VA912b K350 CM HAF 
Mouse
Logitech M570 
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post #3 of 6
Thread Starter 
I'm sure that's correct. I first set my mutiplier to 17x and volts to 1.35. But it crashed attempting to boot. So I set my multiplier to 16x and didn't change the volts from 1.35. Then it booted, but when I checked the voltage in the named software, it was still at 1.325. Which would explain the crashing at boot.
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Phenom X3 720 BE Gigabyte MA78LM-S2H PNY 9800 GT 4GB 
OSKeyboardPowerMouse
Windows 7 64bit and Gentoo ABS PC Power & Cooling - 750 Logitech MX518 
  hide details  
Reply
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Phenom X3 720 BE Gigabyte MA78LM-S2H PNY 9800 GT 4GB 
OSKeyboardPowerMouse
Windows 7 64bit and Gentoo ABS PC Power & Cooling - 750 Logitech MX518 
  hide details  
Reply
post #4 of 6
Software voltages are often wrong.Set it to 1.4,reboot,enter bios and confirm.Load windows,then check your voltage in software.CoreTemp actually provides an adjustment to allow you to match the actual reading in the bios.Also remember Vdroop,which is the the amount lost through your m/b's power regulation...etc.
Amelia
(13 items)
 
Professional
(13 items)
 
RCPC#1
(17 items)
 
CPUMotherboardGraphicsRAM
Phenom II X6 1100t MSI 890FX GD65 MSI Radeon HD5670 GSkill RipjawsX DDR3 PC3 12800 2x4GB CL8 
Hard DriveOptical DriveCoolingOS
WD Black 1TB SATA III Samsung BD Zalman 9900MAX Windows 7 64 Professional 
MonitorKeyboardPowerCase
AOC 22" LED Logitech Kingwin Lazer Platinum 500w Fractal Design R3 
Other
Samsung 470 SSD 128GB 
CPUMotherboardGraphicsRAM
AMD Phenom II X6 960T Asus M4A88T-VEVO Asus Strix R7 370 SuperTalent Perfomance 
RAMHard DriveHard DriveOptical Drive
GSkill Snipers Monster Daytona Seagate Barracuda 500GB 7,200 RPM 16Mb cache Memorex DVD/RW 
CoolingOSMonitorKeyboard
Corsair H60 Windows 8N IBM 9494 19" LCD IBM 
PowerCaseMouseMouse Pad
Corsair GS500 In Win H-Frame Wolfking OCZ Behemoth 
Audio
JBL Creature 
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Amelia
(13 items)
 
Professional
(13 items)
 
RCPC#1
(17 items)
 
CPUMotherboardGraphicsRAM
Phenom II X6 1100t MSI 890FX GD65 MSI Radeon HD5670 GSkill RipjawsX DDR3 PC3 12800 2x4GB CL8 
Hard DriveOptical DriveCoolingOS
WD Black 1TB SATA III Samsung BD Zalman 9900MAX Windows 7 64 Professional 
MonitorKeyboardPowerCase
AOC 22" LED Logitech Kingwin Lazer Platinum 500w Fractal Design R3 
Other
Samsung 470 SSD 128GB 
CPUMotherboardGraphicsRAM
AMD Phenom II X6 960T Asus M4A88T-VEVO Asus Strix R7 370 SuperTalent Perfomance 
RAMHard DriveHard DriveOptical Drive
GSkill Snipers Monster Daytona Seagate Barracuda 500GB 7,200 RPM 16Mb cache Memorex DVD/RW 
CoolingOSMonitorKeyboard
Corsair H60 Windows 8N IBM 9494 19" LCD IBM 
PowerCaseMouseMouse Pad
Corsair GS500 In Win H-Frame Wolfking OCZ Behemoth 
Audio
JBL Creature 
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Reply
post #5 of 6
Thread Starter 
Hey! Thanks much. I guess there wasn't anything wrong in the first place.

I guess I learned today that high level hardware monitors suck; You can unlock the fourth core on a 720 and run it @3.2MHz with the stock fan; And I also learned that overclock.net has an awesome community!

So one last thing before I head out. When I start prime95 right after the computer boots, the computer blues screens. But if I wait until the boot is complete then it works fine. What does this say about the stability of the CPU?
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Phenom X3 720 BE Gigabyte MA78LM-S2H PNY 9800 GT 4GB 
OSKeyboardPowerMouse
Windows 7 64bit and Gentoo ABS PC Power & Cooling - 750 Logitech MX518 
  hide details  
Reply
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Phenom X3 720 BE Gigabyte MA78LM-S2H PNY 9800 GT 4GB 
OSKeyboardPowerMouse
Windows 7 64bit and Gentoo ABS PC Power & Cooling - 750 Logitech MX518 
  hide details  
Reply
post #6 of 6
Good idea to go to User CP and fill in your system specs.
My System
(13 items)
 
  
CPUMotherboardRAMOS
Phenom II X4 B45 @ 3.37 Biostar TA790GXB3 4G Crucial Ballistix Tracer @1500 CL8 Windows 7 Ultimate 32 bit 
MonitorPowerCase
Samsung SyncMaster 2233 Ultra LSP750 Nexus Clodius 
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My System
(13 items)
 
  
CPUMotherboardRAMOS
Phenom II X4 B45 @ 3.37 Biostar TA790GXB3 4G Crucial Ballistix Tracer @1500 CL8 Windows 7 Ultimate 32 bit 
MonitorPowerCase
Samsung SyncMaster 2233 Ultra LSP750 Nexus Clodius 
  hide details  
Reply
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Overclock.net › Forums › AMD › AMD Motherboards › [SOLVED] Overvolting CPU Issue with Gigabyte MA78LM-S2H