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Why isn't my new ram playing nice with my old ram??

post #1 of 3
Thread Starter 
Hello all,

So this is the Wintec ram I have from when I first built my computer:
http://www.newegg.com/Product/Product.aspx?Item=N82E16820161279

and I just bought this G Skill ram:
http://www.newegg.com/Product/Product.aspx?Item=N82E16820231190

and I put everything into this mobo:
http://www.newegg.com/Product/Product.aspx?Item=N82E16813188025

and now Windows isn't starting up.

Windows successfully boots if I use ONLY one of the brands. All of the DIMM slots work, and all of the sticks work, but why can't they place nice together? Any ideas on how to troubleshoot this?

edit* yes i have defaulted the settings in the BIOS
Edited by tdoshea90 - 8/17/13 at 11:29am
post #2 of 3
Without spending the time to look up the detailed specs of each, I would assume that the BIOS settings each needs are to different from each other for them to work together.

Unless you're very familiar with ram settings I doubt you'll ever get them to work together.
And even than they would probably have to run much slower than their specs.

That's why memory is sold in "matched" sets.

And, no, just buying another set of the same memory (either one) has little likelihood of working either. Even though the "advertized" specs may be the same, the complete specification can be (and likely would be) to different also.
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My System
(15 items)
 
  
CPUMotherboardGraphicsRAM
FX6300 Black M5A99X EVO R2.0 Nvidia GTS450 Team Vulcan PC3 12800 
Hard DriveOptical DriveCoolingOS
Samsung 840 PRO Asus DRW-1608P (x2) Custom Water Cooling Win7 (Ult), Win 8.1 & Win Server 2012 R2 
MonitorKeyboardPowerCase
2 X Samsung 915N Ducky Shine III, Blue Cherry/Blue LEDs PCP&C 1kw Lian Li PC-71 (W/Window) 
MouseAudio
Logiteck G400s none 
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post #3 of 3
A lot depends on the motherboard with this too.

Mixing sets of RAM can work (though they'll all need to run @ the lower spec as mentioned; voltages are also a big issue).
However while it might turn out fine on one board, it could be a complete disaster on another. This is why matched sets are always recommended.

Both of those kits appear to have the same specs (1333MHz / CAS 9 / 1.5v, though specific timings weren't mentioned on the Wintec kit).
What I'd do is remove the set you already know worked fine, and see how the new G.Skill kit does on it's own in your board.

Some kits just don't play nice at all on some boards, this is why board makers will usually list tested / approved kits on their product pages.
Edited by candy_van - 8/20/13 at 9:23am
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Stugots III
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i7 3770K @ 4.5GHz ASUS Maximus V Gene EVGA GTX 780 SC 2x8GB G.Skill 2133MHz 
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250GB 850-EVO | 1TB EZEX | 2TB F4 It BURNS! H100i | NB Pros Windows 10 Pro x64 
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ASUS VE258Q Filco Majestouch I Seasonic X-560w Fractal Arc Mini R2 
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