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Is this PSU related?

post #1 of 3
Thread Starter 
Okay so im running a OCZ ModXStream pro 500w PSU a 920 OC'd to 4.0 at 1.248 vcore and two 8800gts in SLI OC'd to 770 core 1944 shader. When running IBT sometimes it will pass it easy sometimes it wont. I get about 47 gflops at 4.0 with my ram at 1528 9-9-9-24.

When it fails though this is what seems suspicious. It doesn't BSOD at all. I've only gotten 1 BSOD the whole time i've had this 920 now. It was when i was running all stock and the BIOS set my ram to 7-7-7-21 and it's supposed to be 9-9-9-24. Because it doesn't give me a BSOD im thinking that the 12v rail drops so low that it just reboot's or something.

I have a PC Power and Cooling 750w coming in the mail tomorrow but i just want to know if it's actually a power issue.
Current Rig
(13 items)
 
  
CPUMotherboardGraphicsRAM
Skt 478 P4 2.8 1m cache Gigabyte GA-8IP900 XFX 6600gt AGP Corsair Value Ram 1 gig PC3200 
Hard DriveOptical DriveCoolingOS
Western Digital 40gb IDE LG 22x DVD burner Stock Windows XP Pro 
MonitorKeyboardPowerCase
ViewSonic VA1932wm Logitech G15 Rev 2 Raidmax 450w  Raidmax Tornado 
Mouse
Logitech MX518 
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Current Rig
(13 items)
 
  
CPUMotherboardGraphicsRAM
Skt 478 P4 2.8 1m cache Gigabyte GA-8IP900 XFX 6600gt AGP Corsair Value Ram 1 gig PC3200 
Hard DriveOptical DriveCoolingOS
Western Digital 40gb IDE LG 22x DVD burner Stock Windows XP Pro 
MonitorKeyboardPowerCase
ViewSonic VA1932wm Logitech G15 Rev 2 Raidmax 450w  Raidmax Tornado 
Mouse
Logitech MX518 
  hide details  
Reply
post #2 of 3
To be honest, that doesn't sound at all like a power issue. Sure, that's not the highest-quality unit, but it should be enough to power those components.

It more than likely sounds like unstable memory. Have you tried a memtest?
Intellect v2
(9 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i7-6700K Processor ASUS ROG MAXIMUS VIII HERO LGA1151 DDR4 M.2 SAT... EVGA GTX 1080 SC ACX 3.0 Crucial Ballistix Sport 32GB DDR4 2400 MT/s (PC... 
CoolingKeyboardPowerCase
Noctua NH-D15 Das Keyboard 4 Professional (Brown) Corsair AX860 Fractal Design Define R5 
Mouse
MIONIX NAOS 7000 
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Intellect v2
(9 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i7-6700K Processor ASUS ROG MAXIMUS VIII HERO LGA1151 DDR4 M.2 SAT... EVGA GTX 1080 SC ACX 3.0 Crucial Ballistix Sport 32GB DDR4 2400 MT/s (PC... 
CoolingKeyboardPowerCase
Noctua NH-D15 Das Keyboard 4 Professional (Brown) Corsair AX860 Fractal Design Define R5 
Mouse
MIONIX NAOS 7000 
  hide details  
Reply
post #3 of 3
Thread Starter 
Quote:
Originally Posted by Plex View Post
To be honest, that doesn't sound at all like a power issue. Sure, that's not the highest-quality unit, but it should be enough to power those components.

It more than likely sounds like unstable memory. Have you tried a memtest?
No i haven't. My ram is rated for 1600mhz 9-9-9-24. I have it running 1528 9-9-9-24 at 1.65voltage.

EDIT: So i did a PSU calc and it reccommended a 580w psu for my system and that's without my gpu's overclocked. So say my PSU is 80% efficiency it's only putting out 400w. I think it's definitely my issue. We will see after tomorrow.
Edited by Josh154 - 1/10/11 at 2:04pm
Current Rig
(13 items)
 
  
CPUMotherboardGraphicsRAM
Skt 478 P4 2.8 1m cache Gigabyte GA-8IP900 XFX 6600gt AGP Corsair Value Ram 1 gig PC3200 
Hard DriveOptical DriveCoolingOS
Western Digital 40gb IDE LG 22x DVD burner Stock Windows XP Pro 
MonitorKeyboardPowerCase
ViewSonic VA1932wm Logitech G15 Rev 2 Raidmax 450w  Raidmax Tornado 
Mouse
Logitech MX518 
  hide details  
Reply
Current Rig
(13 items)
 
  
CPUMotherboardGraphicsRAM
Skt 478 P4 2.8 1m cache Gigabyte GA-8IP900 XFX 6600gt AGP Corsair Value Ram 1 gig PC3200 
Hard DriveOptical DriveCoolingOS
Western Digital 40gb IDE LG 22x DVD burner Stock Windows XP Pro 
MonitorKeyboardPowerCase
ViewSonic VA1932wm Logitech G15 Rev 2 Raidmax 450w  Raidmax Tornado 
Mouse
Logitech MX518 
  hide details  
Reply
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