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Could i have a dead motherboard?

post #1 of 14
Thread Starter 
I moved my sig rig into a haf 912 today and put in a gigabyte 4870. It booted up fine and i uninstalled old drivers, restarted, installed 4870 drivers and the screen messed up. I figured it was the drivers, waited a few minutes to make sure they installed and went to restart. I smelt a terrible burning smell and rebooted. Everything turned on but no post. Reset cmos, no post. Took out the videocard, not post. Tried replacing one item at a time ram, graphics, and cpu each no post. The original cpu and heatsink smelt somewhat burnt but my temps were about 28-31c. Could this mean my motherboard died? I dont understand why anything would die on a restart, but i wasnt able to replace my motherboard to check. Sorry if i missed anything, im short on money and cant spill money on parts that arent the problem. If theres anything else i can add or if you know anything, please help me out
6CORES!!
(15 items)
 
  
CPUMotherboardGraphicsRAM
Phenom II X6 1605T @ 3.54 1.37V ASUS M4A785-M 1GB Gigabyte Radeon HD4870 2x2GB .GSkill 800 DDR2 
Hard DriveOptical DriveCoolingOS
WD 640GB/1TB Spinpoint F3 ASUS DVD/CD w/ Lightscribe Xigmatek Dark Knight Windows 7 Ultimate 64-Bit 
MonitorKeyboardPowerCase
Acer 20inch 1600x900 Logitech G510 Corsair CMPSU-550VX 550W HAF 912 [Painted Black] 
MouseAudio
Logitech G700 Sennheiser HD201's 
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6CORES!!
(15 items)
 
  
CPUMotherboardGraphicsRAM
Phenom II X6 1605T @ 3.54 1.37V ASUS M4A785-M 1GB Gigabyte Radeon HD4870 2x2GB .GSkill 800 DDR2 
Hard DriveOptical DriveCoolingOS
WD 640GB/1TB Spinpoint F3 ASUS DVD/CD w/ Lightscribe Xigmatek Dark Knight Windows 7 Ultimate 64-Bit 
MonitorKeyboardPowerCase
Acer 20inch 1600x900 Logitech G510 Corsair CMPSU-550VX 550W HAF 912 [Painted Black] 
MouseAudio
Logitech G700 Sennheiser HD201's 
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post #2 of 14
It's an obvious one
Phenom 9950 140W OC'ed + weak 3+1 phase design on the motherboard

Your motherboard VRMs fried!

It would've taken the blow sometime eventually... I don't mean to put any more weight on your shoulders, but such a combo of super high TDP + very weak VRMs is very foolhardy
First thing to do is check if it killed anything else (i.e. PSU... rare case CPU may be dead or RAM)

Looks like it just happened to happen with this upgrade, but it could've taken the blow anytime really under such dangerous conditions

In case you don't even know what a VRM system is and/or why this is important...
Edited by xd_1771 - 4/18/11 at 7:38pm
post #3 of 14
Thread Starter 
Thanks so much for the help. When i get a new mobo, will i be fine if i dont overclock?
6CORES!!
(15 items)
 
  
CPUMotherboardGraphicsRAM
Phenom II X6 1605T @ 3.54 1.37V ASUS M4A785-M 1GB Gigabyte Radeon HD4870 2x2GB .GSkill 800 DDR2 
Hard DriveOptical DriveCoolingOS
WD 640GB/1TB Spinpoint F3 ASUS DVD/CD w/ Lightscribe Xigmatek Dark Knight Windows 7 Ultimate 64-Bit 
MonitorKeyboardPowerCase
Acer 20inch 1600x900 Logitech G510 Corsair CMPSU-550VX 550W HAF 912 [Painted Black] 
MouseAudio
Logitech G700 Sennheiser HD201's 
  hide details  
Reply
6CORES!!
(15 items)
 
  
CPUMotherboardGraphicsRAM
Phenom II X6 1605T @ 3.54 1.37V ASUS M4A785-M 1GB Gigabyte Radeon HD4870 2x2GB .GSkill 800 DDR2 
Hard DriveOptical DriveCoolingOS
WD 640GB/1TB Spinpoint F3 ASUS DVD/CD w/ Lightscribe Xigmatek Dark Knight Windows 7 Ultimate 64-Bit 
MonitorKeyboardPowerCase
Acer 20inch 1600x900 Logitech G510 Corsair CMPSU-550VX 550W HAF 912 [Painted Black] 
MouseAudio
Logitech G700 Sennheiser HD201's 
  hide details  
Reply
post #4 of 14
if you get a nicer motherboard with the appropriate VRMs then I don't see any reason not to overclock.
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CPUMotherboardGraphicsRAM
Intel i7 2700k @ 4.6 HT on GIGABYTE GA-P67A-UD7-B3 SLI 2x EVGA Superclocked 570 8GB Corsair Vengance 
Hard DriveOptical DriveCoolingOS
Crucial C300 64GB + Spinpoint F3 TSSTcorp DVD Swiftech 220 Kit  Windows 7 Ultimate 64 bit 
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Dell U2311H + ASUS VH226H 21.5" Ducky Shine Cherry MX Browns w/ Red led Corsair AX850 Antec DF-85 
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CPUMotherboardGraphicsRAM
Intel i7 2700k @ 4.6 HT on GIGABYTE GA-P67A-UD7-B3 SLI 2x EVGA Superclocked 570 8GB Corsair Vengance 
Hard DriveOptical DriveCoolingOS
Crucial C300 64GB + Spinpoint F3 TSSTcorp DVD Swiftech 220 Kit  Windows 7 Ultimate 64 bit 
MonitorKeyboardPowerCase
Dell U2311H + ASUS VH226H 21.5" Ducky Shine Cherry MX Browns w/ Red led Corsair AX850 Antec DF-85 
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Logitech G700 XTRAC PADS Ripper XXL Sennheiser HD 555, Creative Titanium HD  
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post #5 of 14
Since it's a 140W CPU and with OC, you will have to spend on something with a decent 8+1/8+2 power phase (or really decent & cooled 4+1); this might be a bit harder to find, but will be the best choice for safe OC'ed operation on that processor. Some good motherboards would be the M4A79T Deluxe, GA-MA790X-UD4P, ASUS M4A78T-E
post #6 of 14
Thread Starter 
Sorry I don't mean to be a nusance but its tough to do this all on a phone. I found an 80 dollar asus motherboard on newegg. Is this a good one? Or could you find me a link for a decent motherboard that supports my proc from either newegg or I could possibly go to microcenter today.

Thanks for all your help, +rep when I'm on a computer to do it.
6CORES!!
(15 items)
 
  
CPUMotherboardGraphicsRAM
Phenom II X6 1605T @ 3.54 1.37V ASUS M4A785-M 1GB Gigabyte Radeon HD4870 2x2GB .GSkill 800 DDR2 
Hard DriveOptical DriveCoolingOS
WD 640GB/1TB Spinpoint F3 ASUS DVD/CD w/ Lightscribe Xigmatek Dark Knight Windows 7 Ultimate 64-Bit 
MonitorKeyboardPowerCase
Acer 20inch 1600x900 Logitech G510 Corsair CMPSU-550VX 550W HAF 912 [Painted Black] 
MouseAudio
Logitech G700 Sennheiser HD201's 
  hide details  
Reply
6CORES!!
(15 items)
 
  
CPUMotherboardGraphicsRAM
Phenom II X6 1605T @ 3.54 1.37V ASUS M4A785-M 1GB Gigabyte Radeon HD4870 2x2GB .GSkill 800 DDR2 
Hard DriveOptical DriveCoolingOS
WD 640GB/1TB Spinpoint F3 ASUS DVD/CD w/ Lightscribe Xigmatek Dark Knight Windows 7 Ultimate 64-Bit 
MonitorKeyboardPowerCase
Acer 20inch 1600x900 Logitech G510 Corsair CMPSU-550VX 550W HAF 912 [Painted Black] 
MouseAudio
Logitech G700 Sennheiser HD201's 
  hide details  
Reply
post #7 of 14
Send exact model number and I could help tell
post #8 of 14
Thread Starter 
It looks like my options are limited because am2+ is pretty old. They're all microatx so I bet they're all 3+1 but i figured I'd ask a few things.
ASUS M4A785-M - would be my last choice of the 3 if they're all the same, because i can get the other two in store tomorrow.
MSI 785GTM-E45
MSI 785GT-E63
Is there really much of a, if any, difference between these boards?
Should i bother overclocking? I assume that if i don't increase the VCore that I'll be fine, because on this board i got to 2.8 with no vcore increase. Any info would help.
Again, thanks for all of your help.
6CORES!!
(15 items)
 
  
CPUMotherboardGraphicsRAM
Phenom II X6 1605T @ 3.54 1.37V ASUS M4A785-M 1GB Gigabyte Radeon HD4870 2x2GB .GSkill 800 DDR2 
Hard DriveOptical DriveCoolingOS
WD 640GB/1TB Spinpoint F3 ASUS DVD/CD w/ Lightscribe Xigmatek Dark Knight Windows 7 Ultimate 64-Bit 
MonitorKeyboardPowerCase
Acer 20inch 1600x900 Logitech G510 Corsair CMPSU-550VX 550W HAF 912 [Painted Black] 
MouseAudio
Logitech G700 Sennheiser HD201's 
  hide details  
Reply
6CORES!!
(15 items)
 
  
CPUMotherboardGraphicsRAM
Phenom II X6 1605T @ 3.54 1.37V ASUS M4A785-M 1GB Gigabyte Radeon HD4870 2x2GB .GSkill 800 DDR2 
Hard DriveOptical DriveCoolingOS
WD 640GB/1TB Spinpoint F3 ASUS DVD/CD w/ Lightscribe Xigmatek Dark Knight Windows 7 Ultimate 64-Bit 
MonitorKeyboardPowerCase
Acer 20inch 1600x900 Logitech G510 Corsair CMPSU-550VX 550W HAF 912 [Painted Black] 
MouseAudio
Logitech G700 Sennheiser HD201's 
  hide details  
Reply
post #9 of 14
The M4A785-M is a 4+1, perhaps one of the most decent AM2+ around, and a board that would never blow up on you due to having OCP/VRM overheat protection (though you would have to add proper MOSFET cooling for it to remain a good investment, otherwise OCP might kick in one too many times to make running a 140W 9950 on it very practical)

Neither of the MSIs would be a good idea most definitely as the majority have known problems on high TDP processors
post #10 of 14
Thread Starter 
Bummer, I guess that I'll have to wait for it to ship then. How wouldi go about cooling them? In your thread about VRM's, you refer to these MOS-C1's. Are these good enough for cooling them? and do they just stick to the top of the MOSFETs? Like my sig rig says, I have a Dark Knight, so the heatsink is doing nothing to help cool them. Are there maybe any other methods for cooling too? Kepp in mind that im on a tight budget and the motherboard is already running me $70. Thanks.
Edited by fordy314 - 4/19/11 at 7:02pm
6CORES!!
(15 items)
 
  
CPUMotherboardGraphicsRAM
Phenom II X6 1605T @ 3.54 1.37V ASUS M4A785-M 1GB Gigabyte Radeon HD4870 2x2GB .GSkill 800 DDR2 
Hard DriveOptical DriveCoolingOS
WD 640GB/1TB Spinpoint F3 ASUS DVD/CD w/ Lightscribe Xigmatek Dark Knight Windows 7 Ultimate 64-Bit 
MonitorKeyboardPowerCase
Acer 20inch 1600x900 Logitech G510 Corsair CMPSU-550VX 550W HAF 912 [Painted Black] 
MouseAudio
Logitech G700 Sennheiser HD201's 
  hide details  
Reply
6CORES!!
(15 items)
 
  
CPUMotherboardGraphicsRAM
Phenom II X6 1605T @ 3.54 1.37V ASUS M4A785-M 1GB Gigabyte Radeon HD4870 2x2GB .GSkill 800 DDR2 
Hard DriveOptical DriveCoolingOS
WD 640GB/1TB Spinpoint F3 ASUS DVD/CD w/ Lightscribe Xigmatek Dark Knight Windows 7 Ultimate 64-Bit 
MonitorKeyboardPowerCase
Acer 20inch 1600x900 Logitech G510 Corsair CMPSU-550VX 550W HAF 912 [Painted Black] 
MouseAudio
Logitech G700 Sennheiser HD201's 
  hide details  
Reply
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