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RAM Partially Detected Round 2: FIGHT

post #1 of 7
Thread Starter 
I posted about a topic similar to this about a month ago and until today I had fixed the problem. That thread can be found here if anyone is interested.

I have six 4GB modules of the 2000Mhz Corsair Dominator GT's and at boot 20GB is shown instead of 24GB. Windows task manager also shows 20GB, however, when I load up EVGA E-LEET tuning utility, under size it is shown as 24576MB (24GB). This leads me to believe that this is a software issue and not hardware issue. It is also shown in E-LEET that I am running triple channel.

I have tried swapping the CPUs from each socket, there are no bent pins either. All modules have past memtest and each dimm slot on the board functions properly. I have also ensured that there is minimal tension on the board from the CPU waterblocks. This appears to be a sort of intermittent problem for me, hopefully someone can help me out. The problem reappeared for me today and I have not modified any bios settings or installed new software any time in the past 3 weeks.

I am using the 2000Mhz Dominator GT 4GB modules, and running them severely underclocked at 1280mhz allowed them to all show properly in the past however I am no longer able to get the full 24GB to show properly at all. See my other thread on this. Turns our they were extra finicky with the voltage ratios, now I'm out of ideas.
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Two Xeon X5650 @ 4.0Ghz EVGA SR-2 Sapphire HD7970 24GB Corsair Dominator GT 
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Two Xeon X5650 @ 4.0Ghz EVGA SR-2 Sapphire HD7970 24GB Corsair Dominator GT 
Hard DriveOptical DriveOSMonitor
Four 2TB WD Caviar Greens Pioneer 12XBDRW Windows 8 Pro 64-bit Dell 3007WFP-HC 
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post #2 of 7
Sort of silly, but have you inspected the socket for any bent pins?

I've had a similar issue where bios would show me 8gb of ram instead of 16. Windows would only show 8 as well, but eleet would show 16gb.

It turned out to be one pin in the socket slightly out of line.
Fused II
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Fused II
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post #3 of 7
Thread Starter 
Quote:
Originally Posted by Stevebobwe View Post

I posted about a topic similar to this about a month ago and until today I had fixed the problem. That thread can be found here if anyone is interested.
I have six 4GB modules of the 2000Mhz Corsair Dominator GT's and at boot 20GB is shown instead of 24GB. Windows task manager also shows 20GB, however, when I load up EVGA E-LEET tuning utility, under size it is shown as 24576MB (24GB). This leads me to believe that this is a software issue and not hardware issue. It is also shown in E-LEET that I am running triple channel.
I have tried swapping the CPUs from each socket, there are no bent pins either. All modules have past memtest and each dimm slot on the board functions properly. I have also ensured that there is minimal tension on the board from the CPU waterblocks. This appears to be a sort of intermittent problem for me, hopefully someone can help me out. The problem reappeared for me today and I have not modified any bios settings or installed new software any time in the past 3 weeks.
I am using the 2000Mhz Dominator GT 4GB modules, and running them severely underclocked at 1280mhz allowed them to all show properly in the past however I am no longer able to get the full 24GB to show properly at all. See my other thread on this. Turns our they were extra finicky with the voltage ratios, now I'm out of ideas.
Current
(14 items)
 
  
CPUMotherboardGraphicsRAM
Two Xeon X5650 @ 4.0Ghz EVGA SR-2 Sapphire HD7970 24GB Corsair Dominator GT 
Hard DriveOptical DriveOSMonitor
Four 2TB WD Caviar Greens Pioneer 12XBDRW Windows 8 Pro 64-bit Dell 3007WFP-HC 
KeyboardPowerCaseMouse
Realforce 87U 45g Corsair AX1200i CaseLabs MH10 Logitech G9X 
Mouse PadAudio
SteelSeries 4HD Stax Lambda Pro & SRM-1mk2 
  hide details  
Reply
Current
(14 items)
 
  
CPUMotherboardGraphicsRAM
Two Xeon X5650 @ 4.0Ghz EVGA SR-2 Sapphire HD7970 24GB Corsair Dominator GT 
Hard DriveOptical DriveOSMonitor
Four 2TB WD Caviar Greens Pioneer 12XBDRW Windows 8 Pro 64-bit Dell 3007WFP-HC 
KeyboardPowerCaseMouse
Realforce 87U 45g Corsair AX1200i CaseLabs MH10 Logitech G9X 
Mouse PadAudio
SteelSeries 4HD Stax Lambda Pro & SRM-1mk2 
  hide details  
Reply
post #4 of 7
Curios since you are loading the memory controller a good deal. If raising the QPI/VTT voltages will help the matter?
post #5 of 7
Thread Starter 
Quote:
Originally Posted by KILLER_K View Post

Curios since you are loading the memory controller a good deal. If raising the QPI/VTT voltages will help the matter?

I'm currently running the VTT at 1.375v with 1.35v IOH and 1.62v on the DIMMs which are rated at 1.55v. Should I go higher than that?
Current
(14 items)
 
  
CPUMotherboardGraphicsRAM
Two Xeon X5650 @ 4.0Ghz EVGA SR-2 Sapphire HD7970 24GB Corsair Dominator GT 
Hard DriveOptical DriveOSMonitor
Four 2TB WD Caviar Greens Pioneer 12XBDRW Windows 8 Pro 64-bit Dell 3007WFP-HC 
KeyboardPowerCaseMouse
Realforce 87U 45g Corsair AX1200i CaseLabs MH10 Logitech G9X 
Mouse PadAudio
SteelSeries 4HD Stax Lambda Pro & SRM-1mk2 
  hide details  
Reply
Current
(14 items)
 
  
CPUMotherboardGraphicsRAM
Two Xeon X5650 @ 4.0Ghz EVGA SR-2 Sapphire HD7970 24GB Corsair Dominator GT 
Hard DriveOptical DriveOSMonitor
Four 2TB WD Caviar Greens Pioneer 12XBDRW Windows 8 Pro 64-bit Dell 3007WFP-HC 
KeyboardPowerCaseMouse
Realforce 87U 45g Corsair AX1200i CaseLabs MH10 Logitech G9X 
Mouse PadAudio
SteelSeries 4HD Stax Lambda Pro & SRM-1mk2 
  hide details  
Reply
post #6 of 7
Thread Starter 
No one has any ideas?
Current
(14 items)
 
  
CPUMotherboardGraphicsRAM
Two Xeon X5650 @ 4.0Ghz EVGA SR-2 Sapphire HD7970 24GB Corsair Dominator GT 
Hard DriveOptical DriveOSMonitor
Four 2TB WD Caviar Greens Pioneer 12XBDRW Windows 8 Pro 64-bit Dell 3007WFP-HC 
KeyboardPowerCaseMouse
Realforce 87U 45g Corsair AX1200i CaseLabs MH10 Logitech G9X 
Mouse PadAudio
SteelSeries 4HD Stax Lambda Pro & SRM-1mk2 
  hide details  
Reply
Current
(14 items)
 
  
CPUMotherboardGraphicsRAM
Two Xeon X5650 @ 4.0Ghz EVGA SR-2 Sapphire HD7970 24GB Corsair Dominator GT 
Hard DriveOptical DriveOSMonitor
Four 2TB WD Caviar Greens Pioneer 12XBDRW Windows 8 Pro 64-bit Dell 3007WFP-HC 
KeyboardPowerCaseMouse
Realforce 87U 45g Corsair AX1200i CaseLabs MH10 Logitech G9X 
Mouse PadAudio
SteelSeries 4HD Stax Lambda Pro & SRM-1mk2 
  hide details  
Reply
post #7 of 7
In your bios go to Memory Feature and if you have a setting for tRL set it to +2. Helps with my EVGA E760 when ram goes missing during overclocking.
Frank
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Dominatrix
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Asus Xonar D2X  
CPUMotherboardGraphicsRAM
i3 4370 Maximus VII Impact Asus 960 Strix 4gb Vengeance Pro 2400 2x8Gb 
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Samsung 128gb 830 3 x WD Red 3Tb Windows 8.1 x64 Corsair RM550 
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Fractal Node 304 
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Frank
(13 items)
 
Dominatrix
(10 items)
 
 
CPUMotherboardGraphicsRAM
Core i7 4770K Asus Maxiums VI Extreme Gigabyte G1 Gaming 1080 16gb G.Skill Trident X 
Hard DriveHard DriveCoolingOS
Samsung 256gb 850 Pro 2Tb WB Black Corsair H100i GTX Win 10 x64 
MonitorKeyboardPowerCase
AOC U3477PQU Leopold Cherry Browns  EVGA 850W SuperNOVA G2 Fractal Design Define R5 
Audio
Asus Xonar D2X  
CPUMotherboardGraphicsRAM
i3 4370 Maximus VII Impact Asus 960 Strix 4gb Vengeance Pro 2400 2x8Gb 
Hard DriveOptical DriveOSPower
Samsung 128gb 830 3 x WD Red 3Tb Windows 8.1 x64 Corsair RM550 
Case
Fractal Node 304 
  hide details  
Reply
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