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Is my memory crap? Unable to get advertised timings

post #1 of 16
Thread Starter 
I have 2 sets of this RAM: http://www.newegg.com/Product/Product.aspx?Item=N82E16820226120

The advertised timings at 1600 is 6-8-6-24, but there's no chance in hell I can ever reach that. When I set it to 1600 in BIOS, the timings default to 11-11-11-24, and I can't reduce it at all and maintain stability. If I drop to 1333, the stock timings are 9-9-9-24 and the best I can do is 8-8-8-24.

I get no memtest errors on the stock timings, but any tweaking causes blue screens. Am I doing something wrong, or did I just buy deceptively-marketed RAM? I don't really care about overclocking it, just that it runs the way it advertises.
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post #2 of 16
Those are some of the nicer sticks out there. I'm not too sure if AMD has this, but set your OC levels to XMP. (With intel it's XMP so look for something that relates to RAM profiles.) They should run extremely well and hop up to 1600 CAS6.

Edit: Also, raise your IMC voltages a tad bit. Your RAM voltage also. Set it to 1.65 volts.
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post #3 of 16
From some quick searching (AMD people feel free to correct me if I'm wrong here), but their memory controllers may run into the same issues that Intel memory controllers do.

Basically, if you populate all the DIMM slots, it can cause extra stress/strain on the memory controller and won't be able to run the sticks at their rated speeds.

I had to dial down my RAM clocks too due to this and couldn't find any way to get it to run stable, let alone boot past the Windows loading screen at their rated speeds. In the end, I figured having 12GB of RAM is better than having higher clocked RAM.
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post #4 of 16
Quote:
Originally Posted by CFG9000;12532989 
I have 2 sets of this RAM: http://www.newegg.com/Product/Product.aspx?Item=N82E16820226120

The advertised timings at 1600 is 6-8-6-24, but there's no chance in hell I can ever reach that. When I set it to 1600 in BIOS, the timings default to 11-11-11-24, and I can't reduce it at all and maintain stability. If I drop to 1333, the stock timings are 9-9-9-24 and the best I can do is 8-8-8-24.

I get no memtest errors on the stock timings, but any tweaking causes blue screens. Am I doing something wrong, or did I just buy deceptively-marketed RAM? I don't really care about overclocking it, just that it runs the way it advertises.

CPU-Z screenshot would help.

I wonder if you realize that you need to multiply your DRAM frequency X2 (yes, times two).

So your DRAM frequency of 800 MHz X2 = 1600 MHz


My point is, you are not trying to set your frequency to 1600 MHz, right? That would explain the instability.....
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post #5 of 16
Quote:
Originally Posted by CFG9000;12532989 
I have 2 sets of this RAM: http://www.newegg.com/Product/Product.aspx?Item=N82E16820226120

The advertised timings at 1600 is 6-8-6-24, but there's no chance in hell I can ever reach that. When I set it to 1600 in BIOS, the timings default to 11-11-11-24, and I can't reduce it at all and maintain stability. If I drop to 1333, the stock timings are 9-9-9-24 and the best I can do is 8-8-8-24.

I get no memtest errors on the stock timings, but any tweaking causes blue screens. Am I doing something wrong, or did I just buy deceptively-marketed RAM? I don't really care about overclocking it, just that it runs the way it advertises.

this may help:http://www.techreaction.net/2010/10/14/phenom-ii-imc-ram-overclocking-guide/
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post #6 of 16
Thread Starter 
Quote:
Originally Posted by myEZweb_net;12533088 
CPU-Z screenshot would help.

I wonder if you realize that you need to multiply your DRAM frequency X2 (yes, times two).

So your DRAM frequency of 800 MHz X2 = 1600 MHz


My point is, you are not trying to set your frequency to 1600 MHz, right? That would explain the instability.....

LOL, naw. I'm not THAT dumb.

Here's what I'm currently set at.
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post #7 of 16
Could be a defective kit... i.e. they threw the wrong ICs on there
post #8 of 16
Quote:
Originally Posted by CFG9000;12533169 
LOL, naw. I'm not THAT dumb.

Here's what I'm currently set at.

so you can't run factory memory setting 1600mhz.even on 2T?
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post #9 of 16
In my experience I have had problems with running memory at XMP rated specs on AMD boards. It might just be my motherboard though.
post #10 of 16
Thread Starter 
Quote:
Originally Posted by AMOCO;12533631 
so you can't run factory memory setting 1600mhz.even on 2T?

I can, but it runs at 11-11-11-24 by default and doesn't want to tighten timings more than that.
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