MSI G41M-P26 wil support any ddr3 dual channel 1333mhz ram or not?

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SAJEEL7

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MSI G41M-P26 wil support any ddr3 dual channel 1333mhz ram or not? will it overclock q6600 qnd up to which extent will it support ddr3 1333mhz 4gb ram
 
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HEXiT

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some 775 motherboards support ddr3 but in a very limited way. the ram has to be run at or within default timings.(no overclocking the ram). it has to be 1.65v or higher ram preferably 1.75v and will be limited to a maximum of 4 gigs on x4 single sticks some boards will only allow 4 gigs in 2x2gig sets so check the motherboards memory compatibility...
the board wont suppot ddr3 xmp profiles nor do they support eec ram noth that you can buy that stuff easily anyway...
i would recommend some ocz gold pc3-8500 if you can still find it and its listed, as it has a working voltage of 1.65-1.80v
 
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HEXiT

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as its 1600 it should be able to run at 1333 just with a ram multiplier bump rather than a cpu oc. but if you cant run the ram separate from the cpu when your overclocking you will get what you get.
the cpu however shouldn't care what the ram speed is as its handled on the northbridge as the older core 2 cpu's dont have a native memory management unit on the cpu.
 
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yanis31

yanis31

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this is the max FSB:RAM multiplier you can select with this board... you can only go a few notches lower if you want...
atleast with the 1066 fsb cpu's i've had in it... don't know how things work with 1333 ones....
 
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itorres008

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Hello Yanis31,
I'm having difficulty finding RAM for this mobo. I've tried a couple already without success. Could you tell me the exact model of the DIMM you used? The HyperX Blu has a couple of different models that change a bit.

Thanks.

 
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yanis31

yanis31

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also - i was using 4gb (2x2gb sticks) but they weren't even from a kit, they had different manufacturing years....
as HEXIT above said - maybe you can't go higher than 2x2gb ... and possibly the 1.65v is a requirement... i wish i checked the voltage it was running on back then... i have had these 4 cpus - E6600 2.4ghz core2duo, E7200 2.53ghz core2duo, E7500 2.9ghz core 2 duo, and Q6700 2.66ghz core 2 quad,
all of them fsb1066 (266) and they ran fine
 
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itorres008

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Thanks for the reply Yanis.

Many people see no big problem in finding RAM for this mobo and I've read about around 8-10 reviews of people using around 6-8 different brands and models successfully. Most use 1333 speed, a couple use Corsair 1600 and one uses my exact Corsair Vengeance 1600 and it works for him, but not for me (hangs or restarts after couple of minutes). I have a Q8200 1333 FSB CPU so it should not be a problem.

However, when I couldn't make mine work, Corsair said that RAM is high density and will not work on this mobo. At the same time, the MSI tech says high-density RAM will work. People on the MSI forums say there's a problem in that G41 chipset will work with some RAM and not with others and no one can categorically say what in the specs is the difference. Although, I suspect memory organization/DRAM composition. However, I see many people using different common DIMMs without problems. I ordered and tried a 4GB 1066 low-density RAM and got the three beeps for no RAM detected. Sent it back and supplier says it tested good. Perhaps it failed because it's a cheap generic DIMM. IDK.

So, my Corsair works for other people and not me, and the 1066 DIMM didn't work. I'll keep researching for reported working DIMM models, since it's kind of hard to find the only DIMM on the MSI tested RAM list at a good price. MSI limit their advice to "use a DIMM from the tested list".

BTW, this mobo doesn't allow for changing voltages, even though I'm not looking to overclock. I just want any 4GB DIMM that works - a native 1066 or a 1333 that runs at 1066 here will be fine. (Want 1 4GB to allow for another 4 GB later)

I might send the board back under warranty to have it checked, since it's a problem to track down and order DIMMs just to test and maybe send them back.

Thanks for the info.
 
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yanis31

yanis31

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if your cpu is 333fsb (1333) the ram will run at 1333mhz unless you manually decrease the multiplier.
the reason i would go for 1600 cl9 is that it will run 1066 cl7 or in your case 1333 cl8 - so you get slightly faster speed,
that was how it went with my kingston hyperx blu's ... if density is a problem then i can imagine 2x4 gigs could be a problem compared to my 2x2gb sticks...

also the blu's just like hyperx genesis are rated 1.5v @ 1333 jedec standard and 1.65v @ 1600 9-9-9-27 (depends on model)
so they were probably running @ 1.5v for me
 
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itorres008

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Well, that happens. :)
Now that you quote what the mobo specs are, I must say that only one line of RAM support description on the specs has been frustrating for me. That is perhaps because I have had problems. Other people seem to just pop in any 1333 DDR3 non ECC Unbuffered DIMM and it works.

If my RAM fails, I would like the specs to say if high density is supported, if there are any DRAM IC scheme or organization limitations (perhaps due to G31 chipset), etc. That is because vairious sources, like I noted before, have different explanations of why my RAM/mobo combination may have failed (due to bad information or suppliers watching out for their company's interest). Then, the only way to truly find who is right is having access to different similar/compatible mobos and DIMMs to perform tests. Not having that option has been my problem. Apparently this Socket 775/G41 chipset/DDR 3 combination is not widely used and old.

Anyway, about the asterisk and OC on "DDR3 800/1066/1333* (OC) DRAM"... The MSI tech tells me the board supports overclocking native 1066 DIMMs to run at 1333, but running 1333 native is not officially supported. Of course, most people are using 1333 RAM successfully anyway.

Thanks for the info.

 
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itorres008

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Well, I tried Corsair Vengeance 1600 which supposedly defaults to 1333 as per SPD settings and has an XMP profile for running at 1600. It seemed to me to be working at first, but when I built it I didn't use it much. So it may not have been tested thoroughly. Later on when I started to use it more it started to reset on it's own or hanging. Still, it could run a couple of passes of Memtest, now it hangs/resets after a couple of minutes.

Perhaps, either mobo or RAM has failed and the problem is not compatibility, but I've been unable to find other mobos or RAM to test my components. Except I ordered 1066 RAM and got the three beeps, memory not detected.

About the density, many people have expressed doubts about the G41 chipset supporting 2 x 4GB DIMMs. However, MSI tech rep says it will support the 8 GBs _with RAM models on the tested list_. So, again, you buy RAM and have no guarantees (at least by MSI) that they would work.

I think I may have found someone with a PC that will allow me to test using his system parts. Or I could send the mobo back to MSI so they check it out. We'll see.

Thanks for the help.

 
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yanis31

yanis31

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i'm not sure how the 1066 ram will act with a 1333 cpu, back in the day i attempted to use 1066mhz DDR2 ram with a 1066 cpu and it wouldn't post,
my understanding was you needed a 1333 cpu to run it, but since this is ddr3 and the frequencies are the other way around i doubt it is the issue here
 
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itorres008

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I have a 1333 FSB Q8200. After all the back and forth, I believe the 1066 RAM is the perfect match. At 1333 FSB, the system clock is 333 MHz and the board sets the RAM multiplier to1.6:1 by default = 533. Thus given the dual rate of DDR it runs at 1066. The overclocking to 1333 would occur by manually setting multiplier to 2:1. Then I guess if one were to use a native 1333 DIMM, it will run either at 1066 or the 1333 if one sets the RAM multiplier to 2:1.

I inquired about an RMA for the board. The support person said both of the DIMMs I tried should work (Vengeance 1600 and the 1066 stick). Neither he or the other tech give any qualifications to the type the RAM should be.(of course nonECC, unbuffered) It should just work. This makes me lean towards thinking it's a bad board.

I think I may have recently found a way to get a hold of some other 1333 RAM and try. If it doesn't work, I'll send MSI the board. I am emailing MSI reconfirming that my exact model RAM should work, anyway.

Thanks for the help.
 
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yanis31

yanis31

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hard to remember all the details - but in my case with the maximum possible ram multiplier ram mhz was matching fsb... i could only set it lower since the chipset won't let you choose a higher multi... either way with core2duos / quads you want the ram to be as fast as possible, it makes a difference not like nowadays when memory controller is on the cpu itself and will have a tiny impact on performance....
 
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yanis31

yanis31

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oh - one more thing - try lowering your fsb (essentially underclocking your cpu)
the thing about the g41 chipset is it's fsb craps out at around 338-340 mhz. because it has automatic voltages for everything
- same goes for cpu... since my cpu's were 1066 i was able to overclock them to around 1333 easy... as long as the board supplied enough voltage automatically for them to keep stable, since your cpu runs the fsb almost at it's limits stock maybe that's where your crashes come from...
intel burn test is a very good stability test for these cpus... jsut watch the temps... they go hardcore under it.
 
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yanis31

yanis31

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also i'm starting to think what happens with the ram is it always sets it to max 1066 stock because:

- Supports two DIMM DDR3 800/1066/1333*(OC) DRAM

meaning you have to oc to get 1333 a.k.a increase fsb

since your cpu is 333 fsb out of the box you can't oc it ... i think only the "p" series chipsets can do fsb around 400 and higher...
 
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Muhammad Fahad

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hi.i am using this mobo with corsair xms3 ddr3 2gb 1333 ram and it is running in 1066 fsb.it is running perfectly.for this mobo u should buy a corsair xms3 or corsair value select rams.they will work fine.my full specs are
c2d e 8400 3.0ghz.6mb cache 1333 fsb
corsair xms 3 2gb ddr3 1333 running on 1066 fsb
evga geforce gts 250 graphic card
600w power supply
 
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Muhammad Fahad

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ram fsb is determined by cpu fsb.
i first used a p4 2.8 cpu on this board.ram only work fine in 800 fsb.
fsb to 1066 resulted in error saying
previous overclocking failed reset bios to default.something like that appears.
but with c2d e 8400 1333 fsb. ram is working fine in 1066 fsb.
i will try to overclock it to 1333 and post result.
also there is a bios upgrade for ram support
check this link
http://www.msi.com/product/mb/G41MP26.html#/?div=BIOS
 
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yanis31

yanis31

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you are running 2gb? or 2x2gb? - that is the whole issue here - kingston hyperx blu 1600mhz cl9 also ran perfectly fine on mine but 8gb is another story.
 
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HEXiT

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2 gig ram sticks will usually use 8x256MB or 4x512MB chips on a single stick.
4 gig will either use 8x512MB or 4x1GB chips and thats where the cpu will struggle with compatibility. older cpu's dont like higher density ram configurations. even when they will supposedly support up to 8GB+
 
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Muhammad Fahad

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I m using single channel 2 gb xms 3 ram.i don't think its a good idea to install more than 4 gb ram to this mobo.high quality rams like corsair dominator dual channel cant work on this kind of mobo.they are not made for these motherboards.u wana run heavy duty ram of a large size buy 775 motherboard in p45 chipset.they will support it.
 
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Muhammad Fahad

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maybe u r right but 775 have issues with large size rams. Even p45 have issues if more than 8 gb ram is installed. Maybe 775 processors cant handle large size of rams. Specially dual channel rams. I think its because the bus speed of ram. Basically 775 was to made to support ddr2.then they integrate it with ddr3.but ddr2 has max 1066 bus n ddr3 has 1600 bus. While processor Is 1333 bus. maybe with a 1600 MHz processor large size ram work.
 
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Muhammad Fahad

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have u tried the bios update for ram
its available at msi site
http://www.msi.com/product/mb/G41MP26.html#/?div=BIOS

may be with this update it can run more memory
Description says - Improved memory compatibility

 
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