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Sempron 145 Unlock FAILED when graphic card plugged in! HELP.

post #1 of 5
Thread Starter 
Hi all,
I have a problem.

My Sempron 145 rig was running like a champ unlocked to Athlon II X2 4450e with clock speed of 3,5Ghz on stock voltage and stock HSF. At that time, I used the integrated GPU of my mobo.

I paired the Sempron with a Biostar TA790GXE 128M (AM2+) motherboard. It has two PCI-Express slots for CrossFireX 16x/8x and 4x DIMM slots for max. RAM of 32GB.

Then I bought an NVIDIA GT 240 (Biostar, 1GB DDR5). Then I lost my unlock!

The first time I plugged in the GT 240, I tried it in the "Master" PCIE slot. The motherboard's BIOS was still set in ACC mode (that means my Sempron was still Athlon). But as soon as I turned on the PC, it won't POST.

I had to reset the CMOS. After resetting the CMOS, the PC was back in Sempron mode. It boots to Windows 7 and the new graphic card was detected.

Then I tried to unlock it once more, with the GT 240 already plugged in, to no avail. I even tried plugging the graphic card in the "Slave" slot. I tried to add voltage to a total of 1.475V. I tried to tinker with every settings imaginable (HT Link, CPU-NB speeds/vcore, CPU multiplier, core leveling, etc), it still can't unlock!

And every time it failed to unlock, I have to reset the CMOS using a very frustratingly designed jumper.

I tried "downgrading" the BIOS to a version that support a "BIO-unlocKING" feature (its a simplified ACC; just press F3/F4 to unlock core, no need to go into BIOS setup screen).

With that BIOS, I now don't have to reset CMOS everytime ACC failed, as it would only shows a "ACC function failed" messege and allows me to go to BIOS setup. But it also won't unlock the damn thing.

It just doesn't make sense. It unlocks just fine without a graphic card.

My only remaining idea is to try every possible BIOS revision there is, to find out if there one that could do the trick.

I don't know what else to do. Help.
Lyssa
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Lyssa
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post #2 of 5
Quote:
Originally Posted by elzafir View Post
Hi all,
I have a problem.

My Sempron 145 rig was running like a champ unlocked to Athlon II X2 4450e with clock speed of 3,5Ghz on stock voltage and stock HSF. At that time, I used the integrated GPU of my mobo.

I paired the Sempron with a Biostar TA790GXE 128M (AM2+) motherboard. It has two PCI-Express slots for CrossFireX 16x/8x and 4x DIMM slots for max. RAM of 32GB.

Then I bought an NVIDIA GT 240 (Biostar, 1GB DDR5). Then I lost my unlock!

The first time I plugged in the GT 240, I tried it in the "Master" PCIE slot. The motherboard's BIOS was still set in ACC mode (that means my Sempron was still Athlon). But as soon as I turned on the PC, it won't POST.

I had to reset the CMOS. After resetting the CMOS, the PC was back in Sempron mode. It boots to Windows 7 and the new graphic card was detected.

Then I tried to unlock it once more, with the GT 240 already plugged in, to no avail. I even tried plugging the graphic card in the "Slave" slot. I tried to add voltage to a total of 1.475V. I tried to tinker with every settings imaginable (HT Link, CPU-NB speeds/vcore, CPU multiplier, core leveling, etc), it still can't unlock!

And every time it failed to unlock, I have to reset the CMOS using a very frustratingly designed jumper.

I tried "downgrading" the BIOS to a version that support a "BIO-unlocKING" feature (its a simplified ACC; just press F3/F4 to unlock core, no need to go into BIOS setup screen).

With that BIOS, I now don't have to reset CMOS everytime ACC failed, as it would only shows a "ACC function failed" messege and allows me to go to BIOS setup. But it also won't unlock the damn thing.

It just doesn't make sense. It unlocks just fine without a graphic card.

My only remaining idea is to try every possible BIOS revision there is, to find out if there one that could do the trick.

I don't know what else to do. Help.
it very well could be your power supply (ive never heard of that brand) so while its under load it looses power try unplugging the card then try it then plug it back in and if it fails again get a name brand psu like Corsair,Thermaltak,Seasonic hope this helps mate
    
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post #3 of 5
The GPU relies on the NB so increase NB voltage and see if it works.
Ishimura
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Ishimura
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post #4 of 5
Try with a different PSU - something with the power management might not be right.
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Dell XPS L702x
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Xeon System Rig
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Office Rig
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i7-2630QM HM67 B3 03RG89 GeForce GT 555M 3GB w/ TV Tuner Corsair Vengeance 8GB DDR3 1600Mhz@1600 CL9 
Hard DriveHard DriveOptical DriveCooling
90GB Corsair Force 3 SSD Sata III 750GB WD Scorpion Black 7200RPM Toshiba DVD+ROM Custom Cooler 4x120 - 1800RPM fans 
OSMonitorKeyboardPower
Windows 7 x64 SP1 Home Premium 17" 3D Full HD 1080p Microsoft Gaming X4 9Cell Battery/150W AC Adapter 
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Roccat Kone+ MAX Roccat Sense High Precision SB X-Fi 
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150GB(RaptorX)/500GB(SG)//640GB ADATA SH93 DVD-ROM NEC EK Supreme HF (Copper+Plexi) Water Block Swiftech Micro Res. V2 
CoolingCoolingCoolingCooling
Black Ice Rad 240 EK DCP 4.0 Pump Swiftech NB block 6x120mm Fans (2xCoolink Swift 120P, 2xArctic Co... 
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Windows 7 Ultimate SP1 x64 Philips 20" 200WP7ES MS Sidewinder X6 XFX 850w Core Edition 
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HAF 932 MS Sidewinder Gaming A4Tech X7 Gaming Bernstein DFI UT 
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Q9550 2.83@1.25v Asus P5Q-E GeForce GTS 250 2x2 GB Corsair XMS2 CL5 1066Mhz 
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post #5 of 5
Thread Starter 
The problem was solved by using a new Seasonic 500W PSU.
Lyssa
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Hard DriveHard DriveOptical DriveCooling
Western Digital Caviar Green 1TB Western Digital Caviar Green 2TB LG DVDRW (OEM) Stock 
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Microsoft Windows 8.1 64-bit Toshiba 24" HD-Ready LCD TV ASUS Razer Arctosa Gaming Keyboard MusclePower Yamadhipathi 450W (Seasonic OEM) 
CaseMouseMouse PadAudio
Cooler Master Elite 120 Advanced (White) Zalman FPSGUN FG-1000 Digital Alliance Professional Gaming Mousepad Superlux HD681 EVO 
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Lyssa
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Intel Core i3-2100 J&W MINIX™ H67M-USB3 Biostar GeForce GT240 1GB DDR5 (VN2405THG1) Corsair ValueSelect 2x4GB DDR3 1333Mhz (CMV4GX3... 
Hard DriveHard DriveOptical DriveCooling
Western Digital Caviar Green 1TB Western Digital Caviar Green 2TB LG DVDRW (OEM) Stock 
OSMonitorKeyboardPower
Microsoft Windows 8.1 64-bit Toshiba 24" HD-Ready LCD TV ASUS Razer Arctosa Gaming Keyboard MusclePower Yamadhipathi 450W (Seasonic OEM) 
CaseMouseMouse PadAudio
Cooler Master Elite 120 Advanced (White) Zalman FPSGUN FG-1000 Digital Alliance Professional Gaming Mousepad Superlux HD681 EVO 
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