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12gb of ram not being usable constantly

post #1 of 15
Thread Starter 
Ok, so this has been an ongoing problem for me. I have installed 12gb's of RipJaw ram (1333) and randomly one start up it says 12gbs Installed (7.99 usable): this is when i right click on Computer on start menu. Is there any way to fix this? Sometimes it reads it all and other times it has this "usable" issue?

I put VCORE to 1.35 volts and DRAM to 1.6 volts, if you need anymore info let me know... thanks!

btw this is a custom built computer and YES it is 64x

EDIT: just realized i posted this in the wrong place..
Edited by Iranian - 3/8/11 at 5:14pm
My System
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CPUMotherboardGraphicsRAM
Intel 980x EVGA E762 (4-Way Sli) Radeon HD 5970 12gb Rip Jaw 1333 
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1TB HDD/64gb SSD Windows 7 Ult 64x 1200w Haf X 
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CPUMotherboardGraphicsRAM
Intel 980x EVGA E762 (4-Way Sli) Radeon HD 5970 12gb Rip Jaw 1333 
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post #2 of 15
If you have your 980X clocked to a certain point that also runs your ram above 1333MHz, then that could be your problem.

12Gb sets and above, don't like to be overclocked, so try and tweak the speed to 1333MHz, or a bit lower, and make sure the command rate is set to 2T, or 2N

Hope this helps.
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post #3 of 15
Thread Starter 
Quote:
Originally Posted by Inteller View Post
If you have your 980X clocked to a certain point that also runs your ram above 1333MHz, then that could be your problem.

12Gb sets and above, don't like to be overclocked, so try and tweak the speed to 1333MHz, or a bit lower, and make sure the command rate is set to 2T, or 2N

Hope this helps.
So, what your saying is pretty much run the ram at "Auto" instead of putting it to the 1333? If so, i'v done that before, and still it sometimes is trippy on me...
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel 980x EVGA E762 (4-Way Sli) Radeon HD 5970 12gb Rip Jaw 1333 
Hard DriveOSPowerCase
1TB HDD/64gb SSD Windows 7 Ult 64x 1200w Haf X 
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My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel 980x EVGA E762 (4-Way Sli) Radeon HD 5970 12gb Rip Jaw 1333 
Hard DriveOSPowerCase
1TB HDD/64gb SSD Windows 7 Ult 64x 1200w Haf X 
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post #4 of 15
No, not auto, cause I don't trust motherboards to set the correct timings and voltages.

I'm saying this could be a possibility!
But if you know for sure, that it's running at 1333MHz, at it's spec voltage and timings, then there are other things that can cause this.

A bad DIMM slot
A bad memory module
NB problems

I just listed the first thing that I know can easily cause your problem.

You could try taking the memory speed down, below 1333MHz, and see if the problem still occurs.
Game Killer
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Intel i7 990 extreme @ 4.2GHz ASRock X58 Extreme MSI GTX-580 lightning G.Skill Ripjaws X DDR3-2000 9-9-9-24 
Hard DriveHard DriveOptical DriveCooling
Intel 510 250Gb SSD WD RE4 250Gb x 4 Raid-0 Plextor DVR 880SA VenomousX 
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Game Killer
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Intel i7 990 extreme @ 4.2GHz ASRock X58 Extreme MSI GTX-580 lightning G.Skill Ripjaws X DDR3-2000 9-9-9-24 
Hard DriveHard DriveOptical DriveCooling
Intel 510 250Gb SSD WD RE4 250Gb x 4 Raid-0 Plextor DVR 880SA VenomousX 
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post #5 of 15
Thread Starter 
Quote:
Originally Posted by Inteller View Post
No, not auto, cause I don't trust motherboards to set the correct timings and voltages.

I'm saying this could be a possibility!
But if you know for sure, that it's running at 1333MHz, at it's spec voltage and timings, then there are other things that can cause this.

A bad DIMM slot
A bad memory module
NB problems

I just listed the first thing that I know can easily cause your problem.

You could try taking the memory speed down, below 1333MHz, and see if the problem still occurs.
I set the command rate at 2T and it is currently all usable..Could you briefly explain whats the difference between 2T and 1T?? And i put it on 1067 and it still is random...I have 3 sticks btw if that helps..
Edited by Iranian - 3/8/11 at 5:42pm
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel 980x EVGA E762 (4-Way Sli) Radeon HD 5970 12gb Rip Jaw 1333 
Hard DriveOSPowerCase
1TB HDD/64gb SSD Windows 7 Ult 64x 1200w Haf X 
  hide details  
Reply
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel 980x EVGA E762 (4-Way Sli) Radeon HD 5970 12gb Rip Jaw 1333 
Hard DriveOSPowerCase
1TB HDD/64gb SSD Windows 7 Ult 64x 1200w Haf X 
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post #6 of 15
Basically, 1T is faster, lower latency. But most all DDR3 is spec'ed to run at 2T.

Smaller sets (6Gb set>4Gb set) can run at 1T, but the larger sets (12Gb set and above), don't like to alter from the factory specs.

Your saying that you set the speed to 1067MHz, and it's not showing 12Gb's of ram???
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Intel 510 250Gb SSD WD RE4 250Gb x 4 Raid-0 Plextor DVR 880SA VenomousX 
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Game Killer
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Hard DriveHard DriveOptical DriveCooling
Intel 510 250Gb SSD WD RE4 250Gb x 4 Raid-0 Plextor DVR 880SA VenomousX 
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post #7 of 15
Thread Starter 
Quote:
Originally Posted by Inteller View Post
Basically, 1T is faster, lower latency. But most all DDR3 is spec'ed to run at 2T.

Smaller sets (6Gb set>4Gb set) can run at 1T, but the larger sets (12Gb set and above), don't like to alter from the factory specs.

Your saying that you set the speed to 1067MHz, and it's not showing 12Gb's of ram???
1067 still is random at times, so it is reading 12gb and sometimes it isn't reading them all... I found out the problem though... I put it on 2T and it was reading full ram, then back to 1T and it was 12gb (7.99 usable) so i think that was the problem.... On 1T it sometimes would read full RAM though so idk... I would prefer to leave it on 1T since it is better, but i think 2T is more stable...


I see you have a 980x and 12gb of 1600 similar to mine but mine is 1333.... are u at 2T?
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel 980x EVGA E762 (4-Way Sli) Radeon HD 5970 12gb Rip Jaw 1333 
Hard DriveOSPowerCase
1TB HDD/64gb SSD Windows 7 Ult 64x 1200w Haf X 
  hide details  
Reply
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel 980x EVGA E762 (4-Way Sli) Radeon HD 5970 12gb Rip Jaw 1333 
Hard DriveOSPowerCase
1TB HDD/64gb SSD Windows 7 Ult 64x 1200w Haf X 
  hide details  
Reply
post #8 of 15
Thread Starter 
I see you have a 980x and 12gb of 1600 similar to mine but mine is 1333.... are u at 2T?
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel 980x EVGA E762 (4-Way Sli) Radeon HD 5970 12gb Rip Jaw 1333 
Hard DriveOSPowerCase
1TB HDD/64gb SSD Windows 7 Ult 64x 1200w Haf X 
  hide details  
Reply
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel 980x EVGA E762 (4-Way Sli) Radeon HD 5970 12gb Rip Jaw 1333 
Hard DriveOSPowerCase
1TB HDD/64gb SSD Windows 7 Ult 64x 1200w Haf X 
  hide details  
Reply
post #9 of 15
The difference between a command rate of 1T and 2T is minimal, and in any real world app, you won't notice the difference!
If you keep it on 1T, I can promise you'll keep having that problem.
2T will keep your memory stable!
Game Killer
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Intel i7 990 extreme @ 4.2GHz ASRock X58 Extreme MSI GTX-580 lightning G.Skill Ripjaws X DDR3-2000 9-9-9-24 
Hard DriveHard DriveOptical DriveCooling
Intel 510 250Gb SSD WD RE4 250Gb x 4 Raid-0 Plextor DVR 880SA VenomousX 
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Game Killer
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CPUMotherboardGraphicsRAM
Intel i7 990 extreme @ 4.2GHz ASRock X58 Extreme MSI GTX-580 lightning G.Skill Ripjaws X DDR3-2000 9-9-9-24 
Hard DriveHard DriveOptical DriveCooling
Intel 510 250Gb SSD WD RE4 250Gb x 4 Raid-0 Plextor DVR 880SA VenomousX 
OSKeyboardPowerCase
W7 Razor Lycosa PC power & cooling 950 CM ATCS-840 
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post #10 of 15
Yes, I keep mine at 2T, & at 1T it is unstable.
Game Killer
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CPUMotherboardGraphicsRAM
Intel i7 990 extreme @ 4.2GHz ASRock X58 Extreme MSI GTX-580 lightning G.Skill Ripjaws X DDR3-2000 9-9-9-24 
Hard DriveHard DriveOptical DriveCooling
Intel 510 250Gb SSD WD RE4 250Gb x 4 Raid-0 Plextor DVR 880SA VenomousX 
OSKeyboardPowerCase
W7 Razor Lycosa PC power & cooling 950 CM ATCS-840 
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SB Xf-i Xtreme Professional, Z2300 speakers WD 1Tb external SATA II 64Mb cache HD 
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Reply
Game Killer
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CPUMotherboardGraphicsRAM
Intel i7 990 extreme @ 4.2GHz ASRock X58 Extreme MSI GTX-580 lightning G.Skill Ripjaws X DDR3-2000 9-9-9-24 
Hard DriveHard DriveOptical DriveCooling
Intel 510 250Gb SSD WD RE4 250Gb x 4 Raid-0 Plextor DVR 880SA VenomousX 
OSKeyboardPowerCase
W7 Razor Lycosa PC power & cooling 950 CM ATCS-840 
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SB Xf-i Xtreme Professional, Z2300 speakers WD 1Tb external SATA II 64Mb cache HD 
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