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Other tests, aside from voltage?

post #1 of 2
Thread Starter 
Recently had a motherboard "fry" on me. I'm not sure the fault, but let me explain:

System:
Phenom 555, OC'd to 3.6 on standard voltage.
Asus M488TD-V Evo USB 3.0
16 GB Patriot Viper 1600 MHz (board read it at 1333 native, but it was advertised at 1600, so that's what I set it to)
OCZ Vertex 4
Seagate Barracuda 1.5T
Radeon HD 4850
Nexus NX-5000 PSU: 500W (some aren't familiar, but is recommended by SPCR).

Going Down:
working away at some coding, suddenly hear some "crunching", and within 5-ish seconds smell burning. I immediately shut down as fast as possible via the OS. I couldnt quickly reach the power cord, but within 30 seconds I had it unplugged and then opened the case. I saw one chip fried: turning brown and all bumpy, down toward the bottom of the board by the USB headers and Front panel connections. Looking at the manual, I determined it was the Parallel ATA controller, to which nothing is hooked up.
I'm suspicious of the PSU only because why would a chip fry under zero load?
Earlier that day, I had two USB sticks die, as in they are no longer recognized on any system. I had blamed it on the age of the sticks: I had difficulties in the past with these drives (taking forever to write, not actually writing), but now I'm thinking it could be related, though all other usb devices (keyboard, mouse, NIC) are all working well.

I haven't tried powering the machine back on for fear of fire or further damage. I did pull my drives, video card and memory, all tested fine.
I pulled and tested the PSU, and all the voltages are within spec:
12V: 12.08V (allowable 11.4 to 12.6)
-12V: -11.89V (allowable -13.2 to -10.8)
5V: 5.15V (allowable is 4.75 to 5.25)
3.3V: 3.44V (allowable is 3.14 to 3.46)
5VSB: 4.96V

Only the 3.3 is close to the max allowable.

I looked for AC on the DC lines, got 1.3-1.5 mV (.0015 V) on all voltages.

By all tests I've found, It should be good.
I don't want to replace it for the simple fact its super quiet, but I don't want to fry another board, either.
Thanks
mainline
(15 items)
 
  
CPUMotherboardGraphicsRAM
Opteron 1381 Gigabyte MA790FXT-UD5P Radion 4850hd Patriot Sector 5 
Hard DriveHard DriveOptical DriveCooling
WD-640AAS caviar black OCZ Agility 3 does it really matter? Scythe Orocchi 
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Ubuntu 64bit Samsung 2233 X2 Seagate 850 W Silver Certified Logisys 
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mainline
(15 items)
 
  
CPUMotherboardGraphicsRAM
Opteron 1381 Gigabyte MA790FXT-UD5P Radion 4850hd Patriot Sector 5 
Hard DriveHard DriveOptical DriveCooling
WD-640AAS caviar black OCZ Agility 3 does it really matter? Scythe Orocchi 
OSMonitorPowerCase
Ubuntu 64bit Samsung 2233 X2 Seagate 850 W Silver Certified Logisys 
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post #2 of 2
Either the mobo is going, but I'd be inclined to think it's the PSU. I would not use it again.
 
BitoHeaven
(16 items)
 
Cigar ATX PC
(14 items)
 
CPUMotherboardGraphicsGraphics
Intel i7 4770k @ 4.5GHz Asus Maximus VI Gene Gigabyte R9 290 @ 1160MHz/1350MHz Gigabyte R9 290 @ 1160MHz/1350MHz 
RAMHard DriveHard DriveOptical Drive
G.Skill Trident X 2X8GB DDR3 2400MHz Samsung 840 PRO 256GB  Seagate Barracuda 7200.14 3TB SATA III 6Gb/s 64... Pioneer Blu-ray Burner 
CoolingOSMonitorKeyboard
Liquid Single Loop Triple Radiators Win 7 SP1 Professional x64bit  Samsung SynchMaster 24" Widescreen 1200p TFT-LC... Logitech G15 
PowerCaseMouseMouse Pad
EVGA SuperNOVA G2 1300w 80+ Gold Fully Modular  Fractal Design Arc Midi R2 Microsoft Sidewinder X5 Allsop Redmond Mouse Pad 
Audio
Cambridge Soundworks 5.1 
CPUMotherboardGraphicsRAM
Intel Core i5-3570K @ 4.6GHz ASRock Z77E-ITX mITX  Sapphire HD 7990 @ 1090MHz/1600MHz G.SKILL Ripjaws 2X4GB DDR3-1600 @ 1866MHz 
Hard DriveHard DriveOptical DriveCooling
Crucial SSD 128GB mSATA SATA III 6GB  Seagate Barracuda 7200.12 1TB SATA II 32MB 7200RPM LG DVD R/W SATA with LightScribe Corsair Cooling Hydro Series H100 
OSMonitorKeyboardPower
Win 7 Professional x64bit Samsung 52" 1080p 60Hz LCD Logitech Wireless K330 Corsair AX850 Gold Fully Modular 
CaseMouseMouse PadAudio
BitFenix Prodigy Mini-ATX Black  Logitech Wireless M215 Corsair Vengeance MM200 Yamaha RX-V681 & PSB/Polk Audio 5.1 
CPUMotherboardGraphicsRAM
AMD Athlon II X4 640 ASRock N68C-GS NVIDIA 6600GT G. Skill Ripjaws DDR3 1600MHz 
Hard DriveOptical DriveCoolingOS
WD Caviar Blue 500GB 16MB Cache 7200RPM LG Optical Drive Thermaltake Max Orb Windows 7 
MonitorKeyboardPowerCase
Viewsonic 19” Flatscreen CRT Gigabyte GK-K6800 103  Thermaltake TR2 600W Cigar Boxes 
MouseMouse Pad
Zalman ZM-M300 Corsair Vengeance MM200 
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BitoHeaven
(16 items)
 
Cigar ATX PC
(14 items)
 
CPUMotherboardGraphicsGraphics
Intel i7 4770k @ 4.5GHz Asus Maximus VI Gene Gigabyte R9 290 @ 1160MHz/1350MHz Gigabyte R9 290 @ 1160MHz/1350MHz 
RAMHard DriveHard DriveOptical Drive
G.Skill Trident X 2X8GB DDR3 2400MHz Samsung 840 PRO 256GB  Seagate Barracuda 7200.14 3TB SATA III 6Gb/s 64... Pioneer Blu-ray Burner 
CoolingOSMonitorKeyboard
Liquid Single Loop Triple Radiators Win 7 SP1 Professional x64bit  Samsung SynchMaster 24" Widescreen 1200p TFT-LC... Logitech G15 
PowerCaseMouseMouse Pad
EVGA SuperNOVA G2 1300w 80+ Gold Fully Modular  Fractal Design Arc Midi R2 Microsoft Sidewinder X5 Allsop Redmond Mouse Pad 
Audio
Cambridge Soundworks 5.1 
CPUMotherboardGraphicsRAM
Intel Core i5-3570K @ 4.6GHz ASRock Z77E-ITX mITX  Sapphire HD 7990 @ 1090MHz/1600MHz G.SKILL Ripjaws 2X4GB DDR3-1600 @ 1866MHz 
Hard DriveHard DriveOptical DriveCooling
Crucial SSD 128GB mSATA SATA III 6GB  Seagate Barracuda 7200.12 1TB SATA II 32MB 7200RPM LG DVD R/W SATA with LightScribe Corsair Cooling Hydro Series H100 
OSMonitorKeyboardPower
Win 7 Professional x64bit Samsung 52" 1080p 60Hz LCD Logitech Wireless K330 Corsair AX850 Gold Fully Modular 
CaseMouseMouse PadAudio
BitFenix Prodigy Mini-ATX Black  Logitech Wireless M215 Corsair Vengeance MM200 Yamaha RX-V681 & PSB/Polk Audio 5.1 
CPUMotherboardGraphicsRAM
AMD Athlon II X4 640 ASRock N68C-GS NVIDIA 6600GT G. Skill Ripjaws DDR3 1600MHz 
Hard DriveOptical DriveCoolingOS
WD Caviar Blue 500GB 16MB Cache 7200RPM LG Optical Drive Thermaltake Max Orb Windows 7 
MonitorKeyboardPowerCase
Viewsonic 19” Flatscreen CRT Gigabyte GK-K6800 103  Thermaltake TR2 600W Cigar Boxes 
MouseMouse Pad
Zalman ZM-M300 Corsair Vengeance MM200 
  hide details  
Reply
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