buying new RAM sticks

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pankajwillkillu

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Jul 13, 2014
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I have gigabyte motherboard with foll. specs
2*1.8V DDR2 DIMM sockets supporting upto 4GB
Dual channel memory architecture
Support for DDR2 800/667 MHz memory modules

I already have Transend DDR2-667 240pin RAM.
What do i need to keep in mind while purchasing a new RAM for 2nd slot?
 
Solution
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Keep the same speed. Otherwise it will downclock the faster ram to the slower so unless you want to replace both modules, try to find the same matching speed. Also, very important you look at the operating voltage as well. If one Ram stick wants to take more than the other stick, you end up running into issue. If you can get the timings almost the same that's a plus well.
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zomorg3

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Oct 18, 2011
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Keep the same speed. Otherwise it will downclock the faster ram to the slower so unless you want to replace both modules, try to find the same matching speed. Also, very important you look at the operating voltage as well. If one Ram stick wants to take more than the other stick, you end up running into issue. If you can get the timings almost the same that's a plus well.
 
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pankajwillkillu

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Your reply was exactly what i wanted to know. One last thing,
With the specs available above can you tell me what is my current
1. speed
2. operating voltage
3. timming
of my current RAM?
It will be of tremendous help for me.
Thanky you for replying... :)

 
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zomorg3

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For me to give you a better reading by chance, do you have the model number and or serial number of this stick? The only reason why is because I have found that many times a company will have two different DDR2 667 or whatever speed and they are actually clocked different and may have different volts. I would like to try and pair up the best stick for you. If you can't see it on the actual stick, download load cpuz. Its freeware to look up all the specs inside you computer (tells you timings of the ram and everything) It should let you know the model number so then we can cross reference the specs with a ram stick of the same caliber.

And no problem I am glad I can help you! Ive been building, overclocking and fixing computers for fun for the last 8 years. I miss the days of IDE and jumpers lol
 
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pankajwillkillu

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Bravo! you are an expert
Sorry aomorg3, but I am under linux OS and could get you only raw information about my PC here click here for pastebin
Also, Have a look at the info on packing box of existing RAM below. Maybe the first numbers are serial number or model number.

JM667QLU-1G 1GB Memory Module STD 240P DDR2 DIMM (128M*64) (128M*8 / DDR2 667 / 5-5-5) [YZ]

If this is enough please tell me further.


 
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zomorg3

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MEMORY SPEED 667MHz (PC2-5400)
CAS LATENCY CL5
MEMORY TIMINGS 5-5-5
VOLTAGE 1.8V
ERROR CHECKING Non-ECC
Unbuffered
240-pin DDR2 SDRAM memory upgrade module
Single-sided 1GB DDR2 memory module, 128Mx8 chips, 8 chips in total


These are you specs. No problem with the linux btw I was able to grab most the information.

I believe I found you chip on newegg actually just search " JM667QLU-1G 1GB transcend " and it should come up.

Otherwise ram that is 667 speed with a voltage rating of 1.8 should pair up nicely with that. I would suggest at the lowest doing two sticks of 2GB each giving you 4GB total however to make due, the same stick is on newegg for like 19.00. Otherwise just try and get somewhere in the specs with 1.8 DDR2 667 and if the CAS and other timings line up (CL5, 5,5,5) you should be golden. If they don't line up exactly your motherboard should be able to automatically clock it to work with your existing stick.

Do you have any other questions or concerns??
 
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pankajwillkillu

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Jul 13, 2014
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It was well understood as you explained previously.
I bought 2GB 667MHz voltage 1.8V RAM and installed it the motherboards womb.
Its working soundly.
Thanks for great reply !

 
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