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Problem when using 4gb ram

post #1 of 22
Thread Starter 
Hi all.

I have the following:

ABIT AW9d-max MB
E6600 running at 3.01ghz
BFG 8800GTX OC
2GB ram
Xifi extreme gamer sound card

Now I added another 2gb of the exact same ram. It is 4*1gb sticks of g-skill ddr2 pc2-6400 4-4-4-12.

All 4 sticks are the same. But when I installed the new 2g, I ran memtest, prime95 and they both say I have problems.

Prime95 says "Fatal error: rounding was 0.5 when it was expecting less than 0.4".

So I ran prime95 with the original 2gb sticks and it ran fine for about 2 hours. I also tried running ONLY the new 2gb sticks and it ran fine for the same. Also memtest ran fine.

But when I put the wholl 4gb in I get a fial on the first test that prime95 does!!!

Any ideas?

I have tried running the tests with just 2gb in all teh different dimm slots and its fine so it cant be the slots that are the problem.

The problem only occurs with them all together. Although when i try running lost planet with all 4 in it seems to go fine, but fails on teh first test of prime95!

And when I check the names of teh ram using cpu-z all 4 come up with the same type, so it cant be a labelling problem either!
post #2 of 22
just ignore it
    
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post #3 of 22
Quote:
Originally Posted by startekee View Post
just ignore it
that's not very helpful
    
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post #4 of 22
ok. do ure motherboard support dual channel. and have u tried to put in just 3 sticks
    
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[Samsung 950 Pro 512GB][2X Samsung 840 250GB Ra... 16X LITESCRIDE DVD-RW EK Double Res, Double Pump, GPU, CPU combo Windows 10 x64 
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post #5 of 22
how long has it been since you bought the original pair to the new pair? they may be a new batch or different revision where they are not compatible. try 1 new stick and 1 old stick
post #6 of 22
Thread Starter 
hmm...i bought the PC and extra ram probably about a few weeks apart...from different companies.

and im sure the motherboard supports dual channel...if you mean ddr2? else i dont think any would work?

also, i wasnt aware you could actually put just 3 sticks in...
post #7 of 22
Try increasing the memory voltage. Set it .025v over the manufacturer's stock.
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post #8 of 22
Thread Starter 
i changed it from 2.1 up to 2.25!!! and still get the same prob
post #9 of 22
if u put 3 sticks u will get a total of 2.5gb of ram. make sure all of the memory clips are down
    
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Intel Core i7 5820k @4.5GHZ Asus Rampage V Extreme  EVGA 980ti classified 64GB Corsair Vengeance 3200MHZ 
Hard DriveOptical DriveCoolingOS
[Samsung 950 Pro 512GB][2X Samsung 840 250GB Ra... 16X LITESCRIDE DVD-RW EK Double Res, Double Pump, GPU, CPU combo Windows 10 x64 
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post #10 of 22
just to make sure u have a 64bit processor and a 64bit os right
    
CPUMotherboardGraphicsRAM
Intel Core i7 5820k @4.5GHZ Asus Rampage V Extreme  EVGA 980ti classified 64GB Corsair Vengeance 3200MHZ 
Hard DriveOptical DriveCoolingOS
[Samsung 950 Pro 512GB][2X Samsung 840 250GB Ra... 16X LITESCRIDE DVD-RW EK Double Res, Double Pump, GPU, CPU combo Windows 10 x64 
MonitorKeyboardPowerCase
55IN 4K  Ducky Shine Corsair RM 1000i Modular STH10 
Mouse
Corsair m95 
  hide details  
Reply
    
CPUMotherboardGraphicsRAM
Intel Core i7 5820k @4.5GHZ Asus Rampage V Extreme  EVGA 980ti classified 64GB Corsair Vengeance 3200MHZ 
Hard DriveOptical DriveCoolingOS
[Samsung 950 Pro 512GB][2X Samsung 840 250GB Ra... 16X LITESCRIDE DVD-RW EK Double Res, Double Pump, GPU, CPU combo Windows 10 x64 
MonitorKeyboardPowerCase
55IN 4K  Ducky Shine Corsair RM 1000i Modular STH10 
Mouse
Corsair m95 
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