DDR3 wont work on new Motherboard (G41M COMBO)

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Devilik Monsteer

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Jul 25, 2013
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Hello, my friend recently needed to replace his motherboard, someone picked the G41m Combo re,. 2 for him. As well as that a DDR3 ram, (HyperX FURY Series 4GB DDR3 1333MHz CL9). This motherboard supports DDR2 and DDR3 (1333 O.C). Now he has a litte problem, DDR3 wont work for him, no matter what I did to help him; reset cmos by the jumper (2 pins) and take out the battery when changing the ram it won't work. DDR2 works fine, but he hasn't got slots for 4GB.

After being replaced 3 times and still not working I picked one for him that was on the memory support list on the offical website of the motherbaord; CMX4GX3M1A1333C9. On the website its CMX8GX3M1A1333C9 but its the the same model and everything just smaller size (4gb). And even that won't work despite being tested and authorised by the offical website of the motherboard.

Both of the ram made the litte speaker make really rapid beeps, which indicates that there is a problem with the RAM, but I have no idea what despite my some-what good knowlegde of troubleshooting hardware problems. The HyperX had been replaced 3 times and all 3 of them didn't work, and the supported RAM won't work either. It also says O.C on the DDR3 1333Mhz slot, so I thought I have to O.C the RAM first or something, but I'm not able to get into the bios just a black screen and the computer resetting itself every few seconds. Last thing I thought of was that teh CPU can't support the ram as it only support up to 1066mhz, but I had read on another forum that the motherboard should lower down the ram automatically, not sure if thats true or not, but it didn't help.

His cpu: Intel® Core ™2 duo CPU E7200 @ 2.53GHz 2.40GHz
 
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Not at the same time of course, but yea there is also a video on youtube where the guy tests the two memories with no problem. Sorry for the poor writting skills. English unfortunately, isn't my first language, I try my best :)
 
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What your problem is may be this.
There is a voltage difference from DDR 2 memory modules to DDR 3 modules.

So you have to leave the DDR 2 in first.
Then you hop into the bios.
Now if the board is any good it should have options to change the memory module votage.
So want to set it to the votage of the DDR 3 memory sticks.
You also if there is options to set the timing settings of the memory modules in the bios set them to the ones stated on the DDR 3 memory modules on the sticker located on them.

If the memory states it has an xmp mode on the DDR 3 modules you must enable the option in the bios also.
Save the new settings in the bios.
Exit the bios.
Power off the tower, then remove the DDR 2 modules, and insert the DDR3 modules.
The memory should be detected and the system will boot.

The other quick option is to reset the bios if you have not, to flush the settings for the DDR 2 out of the bios.
Then insert the DDR 3 and boot from there on or the other should work.
But just in case have a check for a new bios firmware, it may be the case that you have to flash the mother board with a new or higher bios version before the DDR 3 modules will work.
It is often the case where a board supports two different memory module types.
Obviously you cannot run the board with both DDR 3 and DDR 2 modules plugged into the boards memory slots at the same time. It will confuse the memory controller of the motherboard so make sure only one type is fitted at one time and not mixed DDR 2 and 3 at the same time.

You should get it to work if you follow the suggestions and pointers I made in this post ok.
 
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Support for DDR3 1333(O.C.)/1066/800 MHz memory modules

CMX4GX3M1A1333C9
SPD Latency 9-9-9-24
SPD Speed 1333MHz

You read on another forum that the motherboard should lower down the ram automatically. Auto will set it to SPD Speed automatically.

If you are not overclocking, you need 1066MHz memory.
 
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Shaun, I prefer the quick option, as I'm no good at bios especially the old ones. But I have tried the resetting the bios already, battery and the two pins jumper to clear it, it didn't help. I tried upgrading it, it didn't work. There is two versions of the BIOS on the website, both which didn't do anything, when upgraded or downgraded.

Calvin,
How do you overclock it the the speeds correctly? Last time I overclocked anything I spend hours doing it and failed any way. I have some common knowledge of how to set the speeds etc, but not sure which ones and at what speed.

Tradesman, like I said I thought the ram wasn't really supported. But I does see why a RAM that has been listed on the list by the people who tested it won't work. The corsair model is listed and thats what I order but a smaller size, which still doesn't work.
 
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You set the voltage manual in the bios.
And the speed in your case for DDR 3 at a total rated module memory speed at 1333Mhz.
The option the bios memory section of the bios should be set to 667mhz.
DDR 2 and 3 stands for double data rate, it means that the memory via the read and write channels of the memory controller
can send data asynchronously at the same time so read and write to the memory module at the same time.
You times the read and write speeds by x2 so read 667Mhz, and write 667Mhz= rated memory speed 1333Mhz overall.
The timing settings on the sticker on the DDR 3 memory will be for the 1333Mhz setting.
Where as if the board only supports a max speed of 1066Mhz or in the bios speed setting of 533Mhz the timing values will differ and why you need to check what Jdec settings for the memory at at a set speed. Get it wrong and the memory will fail to work. or the system will not boot if set manually.

ok.
Any setting higher in the bios speed setting will foul it up.
The memory, along with the motherboard will have options of about three speeds it can run at.
But in order to get the speed and the memory to work right at that speed timing settings based on the speed of the memory set must be manually set by you in the bios. for example : memory speed 667mhz. Memory timings 5-5-5-12
If you look on the sticker of the ddr 3 modules all the information is there for a manual settings.
You can also look up what we call the Jdec settings of types of memory to obtain the latency settings it should be set to at the selected speed rating in Mhz. if the board only supports a max of say 1066Mhz memory type and speed.
Then you have to go this way around to use the memory in some cases.
Setting the Mhz frequency and timing settings along with the correct voltage at thoes settings to get your memory working with the board. If the auto detect memory modules does not work in the bios settings.

As said though you have to check what density of each memory module the board or memory controller of a board can support mentioned by another poster. if you bought memory of a higher density then can be the reason why a board does not detect the new memory modules. meaning each memory slot on the board can only access a certain capacity of memory from each module sat in the memory slots or max memory.
Boards with mixed memory types can be awkward then.
have a check the amount of memory the board supports overall. example 4gb.
It would mean both memory modules would have to be a maximum of 2gb per stick.
Anything more and the mobo or bios will refuse to work with it or see it. resulting in a non boot because it cannot work with the memory. That rule will apply to the DDR 2 and 3 memory modules since it`s one of the other and not mixed.
 
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Above you show the CMX4GX3M1A1333C9 and in the QVL they show the 'M4A1', I believe the stick you have is the newer 4Gb (memory chip) size, the M4A1 used the older 2Gb (low density) memory chips. If not can try and make sure you have the latest BIOS, then ensure the FSB is up to 1333 (which will also OC the Wolfdale (it's native to 1066), and if you can get into BIOS set the DRAM voltage up about + 0.06 from spec


CMX8GX3M4A133
 
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Shaun, thanks for the respond I will give it a try tomorrow once I'm at his again.

Trade, yea you're right. I didn't pay enough attention to it. Does it mean I've screw up and I can tell him to get ready to send it back or try to O.C the bios like Shaun said.

Shaun, (http://www.gigabyte.com/products/product-page.aspx?pid=4213#sp)
"DR3:
2 x 1.5V DDR3 DIMM sockets supporting up to 8 GB of system memory
Support for DDR3 1333(O.C.)/1066/800 MHz memory modules"

This says it supports up to 8GB, so Im guessing I'm fine with one stick of 4gb? Since if it suppored 4GB it means I can only have 2GB per stick.
 
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Alright, assuming my luck it won't work. Would you be able to find the most suitable ram for this? It has to be at least 4GB. The price is around 30 pounds. And please don't tell me what to buy, but rather show me what to buy that would be very helpfull. As I had already failed and don't want to do it once more.
 
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It still won't work. I just put it in it doesn't work, the speakker is making the same rapid sound as previously. I had taken out the battery for 5 minutes, and cleared the jumper and nothing. Also I knew I resetted the bios because when I put my ddr2 back it, I had to load default bios settings.

I decided to get a new MOBO. Can you give me a good one for the RAM order above (the one you recommended) on Amazon for around 60 pounds
cpu e7200

 
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Hi. I have exactly the same problem. What I do know is the DDR3 modules need to be low density ones i.e each memory chip needs to be 256MB or less... so I've read. I've got 2x4GB low density ddr3 ram modules each having 16x256MB = 4GB. I've got a Rev 2.0 motherboard and using FB bios. I've played around with the bios settings, but no luck so far. Yep, I've watch those Youtube videos too... parts 1, 2 & 3. I'm contacting Gigabyte tech support tomorrow (weekend here) to find a solution. I'll post it when I find it. Cheers
 
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Hi

I have G41M Combo rev 2.0 motherboard and i ran in to this nasty problem. I bought Kingston Valueram 2x4 GB 1333 MHz DDR3, CL9.

Did not work even i tried to reset BIOS, change settings etc. This motherboard seems to be picky with DDR3 memories.

I tried with my brother's A-Data 1333MHz DDR3 Non-ECC memory sticks (2x4GB) and it works!

So people put this in mind. *** A-Data 1333MHz DDR3 Non-ECC *** works 100%
 
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I have the same problem, i have Gigabyte G41m combo with core 2 dou 2.8ghz processor, the current ram which is running is 2G ddr2 800mhz, i plan to upgrade to ddr3 before i bought Ram i studied the mobo specs. It supports max of 8G ddr2 and ddr3 double channel. Meaning 2x4G each channel. Based on the mobo specs it supports 800mhz, 1066mhz, 1333mhz
So i decided to buy ddr3 2x 4G ddr3 1333mhz. But when i tried to insert 1 RAM to ddr3 slot and powered on thiers no display and it has continuous short beeping sound.
Even how much i tried to manually trouble shoot. Insert the ram stick correctly, clean the ram slot and ram metal pins still has the same result.
So i returned my ddr2 2G 800mhz it boot up anf function.
I tried to make research on this and learn about bios manually OC the frequency and latency and DRAM voltage . I have tried it all but i got the same result. It won't work. I hope soneobe can better explain how to solve this problem.
 
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well my bios is modified and i use xeon e5450 cpu (modified allso) on my 775 socket and use m41g combo rev 2 motherboard so i wasent sure either if my ddr 2 to ddr 3 update will work i bought thous rams (F3-10600CL9S-4GBNT) and they had no issue at all no peeping and allso seem to have down cloced to 1066 mhz automaticaly but so war no issues mabye becose my modified bios and cpu idk but it works perfect for me and hope it helps just i questing should i manualy clock my memoryes to 1333 mhz is it going to make much differents?

sorry for my bad english
 
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