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BSO '124' i7-950 @ 3.84GHz please help

post #1 of 3
Thread Starter 
See my signature for my hardware profile
But basically I have
Motherboard = Asus P6X58D-E
CPU = Intel i7 950
CPU Cooler = Cooler Master Hyper 212+ with dual fans installed (push/pull)
Memory = 12GB G.Skill F3-12800CL7T-6GBPI. Says 1.5V on their site
http://tinyurl.com/6cofysa
* I have 6 chips, not just 3. So I expect a little more voltage needed, right?
Video Card = eVGA GeForce GTX 570 S.C.
Case = Antec 1200
The other crap doesn't matter I suppose...

Quote:
Here are my BIOS settings:
Ai Overclock Tuner.....................[Manual]
CPU Ratio Setting......................[24.0]
Intel(r) SpeedStep(tm) Tech............[Disabled]
Xtreme Phase Full Power Mode...........[Enabled]
BCLK Frequency.........................[160]
PCIE Frequency.........................[100]
DRAM Frequency.........................[DDR3-1604MHz]
UCLK Frequency.........................[3208MHz]
QPI Link Data Rate.....................[Auto]

CPU Voltage Control....................[Manual]
CPU Voltage............................[1.28750]
CPU PLL Voltage........................[1.80]
QPI/DRAM Core Voltage..................[1.3875]
IOH Voltage............................[1.14]
IOH PCIE Voltage.......................[1.50]
ICH Voltage............................[1.20]
ICH PCIE Voltage.......................[1.50]
DRAM Bus Voltage.......................[1.52]
DRAM DATA REF Voltage on CHA...........[Auto]
DRAM CTRL REF Voltage on CHA...........[Auto]
DRAM DATA REF Voltage on CHB...........[Auto]
DRAM CTRL REF Voltage on CHB...........[Auto]
DRAM DATA REF Voltage on CHC...........[Auto]
DRAM CTRL REF Voltage on CHC...........[Auto]

Load-Line Calibration..................[Enabled]
CPU Differential Amplitude.............[800mV]
CPU Clock Skew.........................[Delay 300ps]
CPU Spread Spectrum....................[Disabled]
IOH Clock Skew.........................[Auto]
PCIE Spread Spectrum...................[Disabled]

C1E Support............................[Disabled]
Hardware Prefetcher....................[Enabled]
Adjacent Cache Line Prefetch...........[Enabled]
Intel(r) Virtualization Tech...........[Disabled]
CPU TM Function........................[Enabled]
Execute Disable Bit....................[Enabled]
Intel(r) HT Technology.................[Enabled]
Active Processor Cores.................[All]
A20M...................................[Disabled]
Intel(r) SpeedStep(tm) Tech............[Disabled]
Intel(r) C-STATE Tech..................[Disabled]
I want to try to be in the 3.8GHz range as that doesn't seem to be pushing it hard, for a system that is on 24/7/365, and I game with a lot. "Auto" for CPU VCore set it to 1.42V and when that was set in OCCT the CPU fan went MAX in the first few seconds and it reached 65C in 10 seconds. When I lowered to 1.30V it ran fine for 10 minutes and I gamed for hours. One thing I seem unable to do is lower the QPI/DRAM Core Voltage down in the 1.30 or less range. At 1.35 it BSOD "124" the second OCCT starts (1 minute after hitting GO). At 1.375 it took about 60 seconds to BSOD, and at 1.3875 it ran for 10 minutes, no problems. At the request of another member on here, he said raise the DRAM voltage from 1.50 a bit higher then see if I could lower the QPI/DRAM, but it didn't work. Unless he meant 1.60 or 1.65, but thats a huge jump. I just don't know.

So does anyone have any suggestions? I don't want to damage stuff, and I am not in to "pushing the envelope" so to speak. I bought good hardware I figure can OC a but, but I dont want to have any issues. I want to use this system for a few years problem free.
My i7-950
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7-950 Asus P6X58D-E eVGA GeForce GTX 570 SC 6 x 2GB G.Skill F3-12800CL7 
Hard DriveOptical DriveOSMonitor
OCZ RevoDrive 120GB Asus DRW-24B1ST Windows 7 Ultimate x64 Asus VW244 
KeyboardPowerCaseMouse
Logitech Wave Corsair HX850W Antec 1200 Razer Deathadder 
Mouse Pad
Belkin 
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My i7-950
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7-950 Asus P6X58D-E eVGA GeForce GTX 570 SC 6 x 2GB G.Skill F3-12800CL7 
Hard DriveOptical DriveOSMonitor
OCZ RevoDrive 120GB Asus DRW-24B1ST Windows 7 Ultimate x64 Asus VW244 
KeyboardPowerCaseMouse
Logitech Wave Corsair HX850W Antec 1200 Razer Deathadder 
Mouse Pad
Belkin 
  hide details  
Reply
post #2 of 3
I would switch to a 23 multi and start over. Set vcore and qpi to 1.35 and go from there. Stick to odd multis.
    
CPUMotherboardGraphicsRAM
2600k Gigabyte Z68 MSI N480GTX 16 GB Patriot 1600 
Hard DriveOptical DriveOSMonitor
1.5TB Hitachi - 120GB Crucial C300 SSD LG Win7Ultimate a couple 
KeyboardPowerCaseMouse
Saitek Eclipse II Thermaltake 750 Thermaltake A60 Armor microsoft 3000 
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CPUMotherboardGraphicsRAM
2600k Gigabyte Z68 MSI N480GTX 16 GB Patriot 1600 
Hard DriveOptical DriveOSMonitor
1.5TB Hitachi - 120GB Crucial C300 SSD LG Win7Ultimate a couple 
KeyboardPowerCaseMouse
Saitek Eclipse II Thermaltake 750 Thermaltake A60 Armor microsoft 3000 
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Reply
post #3 of 3
Thread Starter 
Amazing how it didn't like the 24 multi. At 23 I ran OCCT for 10 mins no prob and I have QPI at 1.2875 and VCore at 1.28750. Now it seems it is all about me spending time trying various things back and forth.
It still seems weird to clock my DRAM Bus voltage at 1.64 when the mfgr says 1.5. Some DDR3-1600 is 1.65/1.64 and I understand that. I just have no experience to know if going to 1.64 is going to provide benefits AND is it going to be safe for it. If I dont *need* to go to 1.6x area, it is probably best, right?
My i7-950
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7-950 Asus P6X58D-E eVGA GeForce GTX 570 SC 6 x 2GB G.Skill F3-12800CL7 
Hard DriveOptical DriveOSMonitor
OCZ RevoDrive 120GB Asus DRW-24B1ST Windows 7 Ultimate x64 Asus VW244 
KeyboardPowerCaseMouse
Logitech Wave Corsair HX850W Antec 1200 Razer Deathadder 
Mouse Pad
Belkin 
  hide details  
Reply
My i7-950
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7-950 Asus P6X58D-E eVGA GeForce GTX 570 SC 6 x 2GB G.Skill F3-12800CL7 
Hard DriveOptical DriveOSMonitor
OCZ RevoDrive 120GB Asus DRW-24B1ST Windows 7 Ultimate x64 Asus VW244 
KeyboardPowerCaseMouse
Logitech Wave Corsair HX850W Antec 1200 Razer Deathadder 
Mouse Pad
Belkin 
  hide details  
Reply
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