G.SKILL Ram Question for New Build (1090t / ASrock 880g Extreme 3)

Hello, friends.

I recently struggled to pick out components for an editing suite. I went with Asrock 880g Extreme 3 / 1090t 3.2 6 Core CPU.

I had a different RAM picked out but at the last minute, someone recommended the following RAM...

G.SKILL Ripjaws Series 4GB (2 x 2GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model F3-12800CL7D-4GBRM

Now, that G.Skill ram is designed for Intel but both G.Skill and AMD builders say that it will work in an AMD board if you tweak the BIOS settings. ASrock does not, however, list this as supported ram on their RAM support list...

So, I guess I have a 2 1/2 part question.

Will my motherboard support that RAM if I tweak the BIOS settings?

What exactly would I need to change (I've never changed RAM timings in a BIOS before and have no idea how)?

If it just won't work, any suggestions for a better RAM choice (i.e., one that will work for me...*lol*)

Thanks in Advance...

31 answers Last reply
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  1. Yes, the RAM will work on an AM3 motherboard. The reason it says something about Intel is because it meets the 1.65V requirements of the new Intel chips.

    You want to review pages 52 & 53 of your MOBO manual.
    On the Memory Configuration, you want to change it to manual and adjust the Memory Clock to 800mz.
    On the DRAM Voltage, you to change it to change it to 1.65V (I believe you select that box and hit the + key to move the voltage)
    On the Memory Timing, you want to set following information to...
    Cas Latency (CL) - 7
    TRCD -8
    TRP - 7
    TRAS - 24
    TRRd - 2

    This will have your RAM running at manufacturer's speeds.
  2. Thanks for your quick answer, Tecmo...

    I was just a little worried about it when I was reading about it and trying to get myself ready for the build...

    And, just quick... I opted for this case...

    Antec Nine Hundred Two Black Steel ATX Mid Tower Computer Case

    I shouldn't have any trouble fitting the motherboard, right...? Here is my motherboard...

    ASRock 880G EXTREME3 AM3 AMD 880G HDMI SATA 6Gb/s USB 3.0 ATX AMD Motherboard
  3. I was also going to ask, on the RAM...

    If I buy another 2 sticks, would I need to change anything further? Should I buy the same ram...?
  4. You will have no issues fitting everything into the Antec 902 (specially the motherboard)

    attrition4u said:
    I was also going to ask, on the RAM...

    If I buy another 2 sticks, would I need to change anything further? Should I buy the same ram...?

    You will need to buy the same exact RAM (model # and all) to not have to do anything further (ideally). There are times with 8GB of RAM, that some motherboards require a slight voltage increase to remain stable with all four slots full.
  5. It would be a good starting point or look to lossen your timings maybe to 8, 8, 8, or something... You'll just have to play around once with it, if it happens.
  6. And, if that should occur...do I just increase the voltage by say .5 until I am running stable...?
  7. Tecmo, I need help...

    Went into the BIOS to change the settings. There is no 2 setting for TRRD. It gives me auto and only 4-8 as options... What should I do...?
  8. Actually, it's 4-7...
  9. Sorry about that... re-looked at your manual and the 2 should be for TRTP... not TRRD, which you leave at default.
  10. And, also, I was curious if you could tell me...

    What temp should I be showing in the bios... Being my first build, I'm really worried about things and whether or not I got the thermal paste right and stuff.

    Of course, I haven't loaded anything yet and right now, I'm not past looking at the BIOS; but, I'm running at 40-43 degrees Celsius on the CPU and 33-34 on the MOBO. Is that about right?
  11. Those look a little high but what are your ambient temps? Meaning if you room is say 85F it will show warming than a room at 72F.

    I won't worry to much about those temps until you get your setup up and running, at which point I recommend running Prime95 for about 2 hours to get your load temps, which is more critical than idle (unless you are already at 60C :) )
  12. I don't know the exact ambient temp. But, it's fairly cool in here right now. Air conditioner is running. I would guess it's low 70s...
  13. Yeah, no go there too. Same thing. TRTP lists Auto and 4-7. Right now, it's set on auto and times at 5...
  14. Okay... It is MA Timings

    I should read the manual online more fully before speaking :D
  15. So, I should change MA Timings to 2?
  16. Correct...
  17. Yeah, that's not working out. Something is up. Whenever I changed the settings and saved the BIOS, it wouldn't reboot. Then, it threw up a message that says "the system failed to boot several times, press f2 or delete to enter bios...

    Those settings aren't playing well apparently...
  18. What is your voltage?

    It needs to be at 1.65V for those timings to work correctly, along with your MHz set to 1600 (which is Memory Clock at 800)
  19. Well, I didn't have exactly 1.65v for an option. I can either choose 1.645v or 1.659v. I've tried both. Memory clock is set at 800MHz DDR3_1600...
  20. I did just notice something though. I set it at 7, 8, 7, 24. But, it looks like it's running at 6, 6, 6, 15. That is what it shows anyway...in spite of the fact that it shows it is set to 7, 8, 7, 24...
  21. At 1.6V try the following

    Memory Clock at 800
    Cas Latency (CL) - 7
    TRCD -8
    TRP - 7
    TRAS - 24
    TRC - 40
    MA Timings - 2
  22. Same thing. I'm just now figuring this out...so bare with...

    In the BIOS, there is the spot that allows me to change it. To the left of that, it shows another number (which, I'm assuming is what the current setting are). Those numbers should match, I'm assuming...

    Well, I have set everything as you said. However, it shows I'm running at:

    6, 6, 6, 15 with TRC at 20. The voltage is set to 1.603v because I didn't have an even 1.6 as an option...
  23. I set everything back to auto until I hear back from you...
  24. Okay, well, I remembered seeing a reply from a G.Skill rep on Newegg saying that AMD users should change settings to 1600 on the memory clock, 1.6v, & 8, 8, 8, 24. I changed it to 1.603v (because I didn't have 1.6v even). That seems to work. All settings match what I'm running at now...

    I know it's not up to spec; but, is it sufficient?
  25. Yes... Those timings will be fine.

    I'm going to PM another user this thread to see if we have missed anything or other options.
  26. Hi.

    Do u set the memory timing to 2N right?
  27. MA Timings was set to 2, if that's what you mean...

    If that's not what you mean, I'm not sure what you are saying. I'm really new to this. Trying to figure it all out...
  28. Hey, bro. Sorry to bother but you've been extremely helpful.

    So, I got everything installed and up and running. I downloaded Prime95 earlier and torture tested (In-Place Large FFT's Test). I was going to go longer but before I do, I just wanted to make sure that I am not running too abnormally.

    Thus far, I peaked at 62 degrees Celsius on the CPU and it seemed to be holding steady there. The MOBO held at 28-29 degrees the whole time.

    I'm not really familiar with this program...or temps... I'm really sorry for being a newb...but, does that seem reasonable to you?

  29. Those temps are just fine :)

    Note... The recommended Prime95 test are either the Blend or Small FFT just for your future reference.
  30. Thanks, Doug. I really appreciate the help.

    If you don't mind me asking; at what temps should I worry? If I run this test to try and pass several hours with no errors, at what point should I worry about temps on this CPU...?
  31. When you start hitting temps in the high 70's or get errors, that is when you should look at your cooling situation.
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