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Elpida Memory problem with Pegatron IPISB-CH2

Tags:
  • Memory
  • Elpida
  • Dual Channel
  • Motherboards
Last response: in Memory
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July 31, 2014 8:54:03 AM

Hi there, I have a problem with some Elpida memory, they will not run i dual channel mode, only single channel. If i try to run i dual channel the motherboard is making stupid sounds.
I have tried update the bios, but it didn't help at all.

Motherboard: Pegatron IPISB-CH2
Memory: Elpida EBJ21UE8BDF0-DJ-F 2x2GB

I hope there is someone who has a solution to my problem.

More about : elpida memory problem pegatron ipisb ch2

a b } Memory
a b V Motherboard
July 31, 2014 11:17:18 AM

Hello,

For dual channel, you must use the same colour slots (in this case, the black slots, noted DIMM1 and DIMM3).

Please use only one memory at the time and check the memory by using Memtest. If there are no errors, put the memory in the other slot and repeat the test.
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July 31, 2014 11:23:01 AM

I have done that, 10 times now. I have tried with 6 different memory's. All does the same.
And I have tried with 4 of the same type of memory, still the same.. But all work fine in single channel.
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Related resources
a b } Memory
a b V Motherboard
July 31, 2014 11:32:04 AM

Sorry, I didn't ask: what CPU are you using? Celerons are single channel, dual channel is used from Pentium upwards.
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a b V Motherboard
July 31, 2014 12:02:28 PM

Yes, what is the CPU you are using?
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July 31, 2014 2:52:31 PM

Cristi72 said:
Sorry, I didn't ask: what CPU are you using? Celerons are single channel, dual channel is used from Pentium upwards.


I'm using an i3-2100, this os the first time, I have seen this.
Do you think it is the mobo?
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a b V Motherboard
July 31, 2014 3:05:27 PM

taggii said:
Cristi72 said:
Sorry, I didn't ask: what CPU are you using? Celerons are single channel, dual channel is used from Pentium upwards.


I'm using an i3-2100, this os the first time, I have seen this.
Do you think it is the mobo?


Ok, an i3 supports dual channel.... hmmmmm.... maybe it can be the motherboard.
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a b } Memory
a b V Motherboard
July 31, 2014 3:07:00 PM

taggii said:
Cristi72 said:
Sorry, I didn't ask: what CPU are you using? Celerons are single channel, dual channel is used from Pentium upwards.


I'm using an i3-2100, this os the first time, I have seen this.
Do you think it is the mobo?


This is tricky... Usually the motherboards are to blame in such cases, but starting with "i" processors the memory controller is built into the CPU, so it can be also a problem with the CPU (if you moved recently the system, try to re-seat the CPU in its socket; don't forget to change the thermal compound between CPU and the heatsink). You have the possibility to test the CPU and the memory in some other system?
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July 31, 2014 11:46:29 PM

I will try to find another mobo, and see if this is the problem.
It could be the pins in the socket? I just looked there is 3 pins there is broken, but the system works, but what can you expect when you gets a mobo for free :D 
But I will find a new mobo, and if it works I will tell :p 
Thanks for the support
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Best solution

a b } Memory
a b V Motherboard
August 1, 2014 12:06:37 AM

taggii said:
I will try to find another mobo, and see if this is the problem.
It could be the pins in the socket? I just looked there is 3 pins there is broken, but the system works, but what can you expect when you gets a mobo for free :D 
But I will find a new mobo, and if it works I will tell :p 
Thanks for the support


Well, this could definitely be the problem; take a look on this:

https://www.google.ro/url?sa=t&rct=j&q=&esrc=s&source=w... , fig.8-1, 8-2, 8-3. 8-4 (pinout map)

Verify what exactly the broken pins were doing (it is possible they were in the power supply area, so it wouldn't make a difference, but if even a single one is in the area signaling with the DIMMs... well, you have found the problem :)  )
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August 1, 2014 12:22:01 AM

Cristi72 said:
taggii said:
I will try to find another mobo, and see if this is the problem.
It could be the pins in the socket? I just looked there is 3 pins there is broken, but the system works, but what can you expect when you gets a mobo for free :D 
But I will find a new mobo, and if it works I will tell :p 
Thanks for the support


Well, this could definitely be the problem; take a look on this:

https://www.google.ro/url?sa=t&rct=j&q=&esrc=s&source=w... , fig.8-1, 8-2, 8-3. 8-4 (pinout map)

Verify what exactly the broken pins were doing (it is possible they were in the power supply area, so it wouldn't make a difference, but if even a single one is in the area signaling with the DIMMs... well, you have found the problem :)  )


two of them is in the DIMM area, so the problem is this. :p 
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August 1, 2014 12:23:16 AM

So I will go for a new mobo, that's for sure.
Thanks for the support!
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!