Hello, i have some simple questions. My system randomly turns off. no blue screen. No crash dump. no windows shutdown screen. This isnt really about the shutdowns.
1 - What happens when the 4pin connector of a 20+4 pin mobo power plug is disconnected
2 - Does the 4pin connector give more stability to a pcie2.0 x16 Graphics Card?
3 - What damage could have been done?
Ive swapped the graphics card out with a Power Color HD4850. The shutoffs happened with both.
I have four ram chips. i took out 2 and it still shutoff. Im now trying the other two.
Thank you for your time.
My Computer
At a glance
Windows 7 Home x64 & Windows XP Pro x86AMD Phenom II 1100T x6.Corsair Vengeance 4x 4gb 1600mhz.XFX Radeon HD 6970 + Arctic Cooling Accelero ...
Computer Manufacturer/Model Number
User-built (and proud of it!)
OS
Windows 7 Home x64 & Windows XP Pro x86
CPU
AMD Phenom II 1100T x6.
Motherboard
Asus Sabertooth 990FX r2.0
Memory
Corsair Vengeance 4x 4gb 1600mhz.
Graphics Card(s)
XFX Radeon HD 6970 + Arctic Cooling Accelero Twin Turbo II
Sound Card
Onboard 7.1 Creative X-FI.
Monitor(s) Displays
LG 42LK450u 42" LCD HD TV
Screen Resolution
1920 x 1080.
Hard Drives
2x WD 20EARS 2TB.
PSU
Fractal Design Newton R2 1000W Modular.
Case
Antec 1200 V3 Full Tower.
Cooling
Zalman CPU Cooler CNPS9900-MAX Blue.
Keyboard
Trust Media Centre with Built in Trackball.
Mouse
Logitech Trackball.
Internet Speed
4.3 Mb/s download and 1.2 Mb/s Upload
Other Info
1x200mm Antec 3-speed Blue LED Fan.
5x120mm Antec 3-Speed Blue LED Fan.
Samsung Writemaster Sata DVD-RW.
2x300mm Blue Cold Cathodes.
2xBlue Cold Cathode Rods.
To answer your questions, I really don't know. But, I would suspect the +4 pin will supply more power to the motherboard. The 20 pin will supply enough power for it to run but not quite as much as it should have. I would not worry too much about any damage to the board. The GPU gets most of it's power from the pcie conntections, but the extra 4 pins may help. As far as the memory, I would suggest running memtest86 to test the memory. The link is to a tutorial on how to run it. You are looking for bad ram sticks or defective dimm slots.
on 20+4 atx plug the 4 additional pins give more power that pc demands nowadays, especialy with high end GPU.
if its not connected motherboard tries to draw all the power from 20 pins.. that may be okay but in extreme cases where lots of power are used it may melt wire or connector, because current is too high. or it may just add stability problems when system dont get enough power.
My Computer
At a glance
Windows 7 pro 64bit. (SP1)Intel core I5 24008GB DDR3 KingstonGigabyte GF GTX650OC
