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i7 920 OC'ing Issue w/G.Skill 1.25v Sniper Tripple-Channels - Help Please

post #1 of 2
Thread Starter 
Hey guys,

I rebuilt my machine a few weeks back (specs in sig) and had it OC'd at 4Ghz fine but kept having an occasional crash. It was fairly obvious that it was memory crashes. After investigating the issue I determined that I had the memory voltage set based on my old ram at 1.65v and the G.Skill 1600mhz Sniper series runs at 1.25v.

I set my clock, timing, and voltage correct for the ram and reset all my OC specs, ran memtest and a few other utilities and everything check out and let it run for about 2 weeks. No more crashes...problem solved there.

Tonight I decided I would try to get my OC back, but absolutely everything I try will not work. The machine will not even boot. Sometimes it takes a minute for my LCD's to grab a picture and they come on a little into POST, so I'm not sure if it's not even starting or starting and resetting or what. But it's certainly not getting far into the boot process. I just have a black screen and have been forced to reset CMOS several times to get back to BIOS.

Right now, I'm back to stock clocks with only my correct memory settings adjusted. Any ideas here?

I was shooting for seeing what my temps were at 4.5Ghz with the H100 running cooling, but if nothing else I'd like to at least get back to 4Ghz.
Ground Control
(14 items)
 
  
CPUMotherboardGraphicsRAM
i7 920 4Ghz EVGA X58 FTW3 XFX HD-5850 1GB 12GB G.Skill Sniper 1600 
Hard DriveCoolingOSMonitor
Crucial M4 Corsair H100 Windows 7 Dual Asus 1080p 
PowerCaseMouse
Corsair 850TX Corsair 650D Razer Naga SWTOR Edition 
  hide details  
Reply
Ground Control
(14 items)
 
  
CPUMotherboardGraphicsRAM
i7 920 4Ghz EVGA X58 FTW3 XFX HD-5850 1GB 12GB G.Skill Sniper 1600 
Hard DriveCoolingOSMonitor
Crucial M4 Corsair H100 Windows 7 Dual Asus 1080p 
PowerCaseMouse
Corsair 850TX Corsair 650D Razer Naga SWTOR Edition 
  hide details  
Reply
post #2 of 2
Thread Starter 
Figured out one problem. VTT was too low. Trying to get my memory back to stable with the correct VTT and will go back to trying to OC.
Edited by Roofus - 5/9/12 at 1:08pm
Ground Control
(14 items)
 
  
CPUMotherboardGraphicsRAM
i7 920 4Ghz EVGA X58 FTW3 XFX HD-5850 1GB 12GB G.Skill Sniper 1600 
Hard DriveCoolingOSMonitor
Crucial M4 Corsair H100 Windows 7 Dual Asus 1080p 
PowerCaseMouse
Corsair 850TX Corsair 650D Razer Naga SWTOR Edition 
  hide details  
Reply
Ground Control
(14 items)
 
  
CPUMotherboardGraphicsRAM
i7 920 4Ghz EVGA X58 FTW3 XFX HD-5850 1GB 12GB G.Skill Sniper 1600 
Hard DriveCoolingOSMonitor
Crucial M4 Corsair H100 Windows 7 Dual Asus 1080p 
PowerCaseMouse
Corsair 850TX Corsair 650D Razer Naga SWTOR Edition 
  hide details  
Reply
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