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Windows 7: Choosing RAM

13 May 2011   #31
Fumz

7 Ultimate x64
 
 

Ah, k... I was confused. Basically you were right: 1600 if you're overclocking, or if you're a little fanatical about performance (however slim those margins may be)/raises hand/; low latency 1333 for all else.


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13 May 2011   #32
seekermeister

W7x64 Pro, SuSe 12.1/** W7 x64 Pro, XP MCE
 
 

I checked the manual about memok, and below is a snip from the description. It may just be a failsafe device, that shouldn't be used for general compatibility, but it is more than just a pass/fail indicator.


Attached Thumbnails
Choosing RAM-capture.png  
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13 May 2011   #33
Solarstarshines

Windows 10 Home Premium 64bit sp1
 
 

Quote   Quote: Originally Posted by seekermeister View Post
I'm trying to decide which RAM or order, to go with a motherboard that I just ordered:

Asus M4A89GTD PRO/USB3 Socket AM3/ AMD 890GX New Board - eBay (item 190510537291 end time Jun-07-11 12:46:06 PDT)

I came across some Patriot RAM that is attractively priced:

Patriot Viper II PGV34G1600ELK 4096MB PC12800 DDR3 Dual Channel Memory Upgrade - 4GB (2 x 2048MB), 1600MHz at TigerDirect.com

But it looks a bit strange with it's notched top edge. I don't want to make the decision based only on looks, so I'm posting in order to get some insight into whether this is my best choice?

This will also be used with an AMD Phenom II X6 1090T processor, if that makes any difference in choosing...also the function where I expect that these decisions may matter most, is for video encoding.

I use ddr2 patriot viper ram and i must say it is worth every penny it is low latency and has good timmings on the winsat .....so you will be looking good
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13 May 2011   #34
Fumz

7 Ultimate x64
 
 

Quote   Quote: Originally Posted by seekermeister View Post
I checked the manual about memok, and below is a snip from the description. It may just be a failsafe device, that shouldn't be used for general compatibility, but it is more than just a pass/fail indicator.
Ahh... learn something new everyday.

I would not rely on it. If a kit of RAM is incompatible with a board the only thing that resolvse the issue is a bios update. Yes, often you can get incompatible sticks to work, and this may... MAY be able to get a really out of whack stick to boot, but... it's a pretty safe bet that the RAM is going to run like crap relative to what it would run like timed by SPD or manually.

More importantly though, this tool would be ok it all it had to do was adjust timings, but I suspect (i don't know) it's also adjusting voltage. How much and which way would depend on the kit... and while the board may like the new settings it's applied, the memory may not... just something to consider.
My System SpecsSystem Spec
13 May 2011   #35
seekermeister

W7x64 Pro, SuSe 12.1/** W7 x64 Pro, XP MCE
 
 

I have a lot to learn about this motherboard. I just downloaded 18 pieces of software for it from Asus, and I don't know what half of them are for, but I guess that I will figure it out when I start putting it all together.
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14 May 2011   #36
GeneO

Windows 10 Pro. EFI boot partition, full EFI boot
 
 

Quote   Quote: Originally Posted by seekermeister View Post
I checked the manual about memok, and below is a snip from the description. It may just be a failsafe device, that shouldn't be used for general compatibility, but it is more than just a pass/fail indicator.
I believe you are correct about it being a failsafe device - it may end up operating your RAM at much less than the advertised performance and higher voltage than it should be just to get you to boot.
My System SpecsSystem Spec
14 May 2011   #37
seekermeister

W7x64 Pro, SuSe 12.1/** W7 x64 Pro, XP MCE
 
 

Still wavering on the decision. I noticed that many in the QVL are suffixed XMP, so I Googled and found that stand for a memory profile that was created by Intel. Does that mean that RAM with this designation is not a good choice for an AMD machine?
My System SpecsSystem Spec
14 May 2011   #38
Fumz

7 Ultimate x64
 
 

No, it only means that it's also able to run well in an Intel rig at certain settings. If it's on the board's QVL, then it'll work well.

The level of "living dangerous" inside you is like... zero, isn't it? Buy a kit man! You're not going to do any better than what's on the QVL.
My System SpecsSystem Spec
14 May 2011   #39
seekermeister

W7x64 Pro, SuSe 12.1/** W7 x64 Pro, XP MCE
 
 

Fumz,

Quote:
The level of "living dangerous" inside you is like... zero, isn't it?
I have lived dangerously for many years, in terms of computers. That was due to my own ignorance, rather than a devil-may-care attitude. I now much prefer to ask questions first, rather than questions mingled with flustration later. I agree that I need to make a decision, otherwise the motherboard and processor will arrive, and I won't even be able to test them, much less assemble them into a new build. What raised this question, is that I read elsewhere, that it was necessary to enable EMP in the BIOS of Intel boards, and I don't think that can be done with AMD boards. My interest in the EMP boards is that it seems that almost all of the lower CAS RAM (i.e. 7-7-7-20) is designated in this fashion. Yet, if EMP can't be enabled, I'm wondering if those CAS numbers would still be valid?

For some reason, it seems that almost all of the high performance RAM on the QVL has been discontinued. I did run across a set of used Mushkin which would cost ~$80 shipped, which is expensive for used RAM, yet from what I have seen of other Mushkin RAM, that really isn't unreasonable.
My System SpecsSystem Spec
15 May 2011   #40
Layback Bear

Windows 10 Pro. 64/ version 1709
 
 

Their are many rams that can be used with tricks. If one is not sure, doesn't want to take a chance, or doesn't have the knowledge to play with these rams just buy what the motherboard manufacture recommends and be done with it.
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 Choosing RAM




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