Question about Intel SE7520BD2 Motherboard

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Se7520bd2 - I installed 4 GB of ram (2 sticks) I added later another two ram chips the same mobel. The M/B is not recognizing the 2nd set? My Emial is info@csmc-usa.com

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Check ur Motherboard config....it may not be made to have more than what it's capable of....though u may have 10 RAM slots the total of RAMs put together(all RAM cards) should not exceed than the total that can be handled by the MB....check ur MB manual or the mfg for the max total RAM that it can handle...also if it's DDR or SDR...then all shoudl be the same DDR or SDR any combination will not work...the best is to use a RAM checker software(google it)
u can also use the MS Office 2007 tools to check ur system config including the RAMs

Posted on Feb 05, 2010

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1) unless your operating system is 64 bit, your computer can only use 3 GB RAM maximum, so 4GB is a waste of time.

If you already had two identical sticks of RAM, chances are your BIOS is setup to recognise twin channel RAM is it has larger bandwidth so it is quicker. To use two channels your RAM must be identical in both channels, clearly if 3GB is the maximum you have a lopsided config and you have to swap the BIOS to single channel RAM.

Of course if you have already checked the BIOS rather than windows, and it still only sees 2GB RAM, the problem is a different one.......

Posted on Feb 05, 2010

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1 Answer

PC won;t boot after memory upgrade


your comp can only handle so much ram,you also need to use the same ram,check how much ram it recognizes with only two,then 3,then 4,64 bit comps only recognize 4 gb,32 bit recognizes any gb ram.

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I upgraded my gategay gt-5428 computer memory 1 gb to 2 gb but still runs with i gb, what i did wrong?


Hello Erik,

Are you absolutely certain that the new module is compatible with your system? Go into the BIOS and see if it is recognized there.

Crucial shows that your computer takes DDR2 memory with support for DDR2 PC2-5300, DDR2 PC2-6400 speeds.

Make sure it is not ECC memory. ECC is not compatible.

If you are sure of the compatibility, I would try to install the old one by itself first and make sure the system boots. Then I would remove the old one and install the new one by itself. Try booting. If it doesn't work, you may have gotten a bad module. (It happens.)

Just FYI, here is the crucial link for your computer:

http://www.crucial.com/store/listparts.aspx?model=GT5428

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Gateway desktop fx 7026 memory issue, has 4 slots came with( 2 )2 gb sticks = 4 gigs it came with. when i add 2 extra gig it doesnt recognize.


the specs i read says 8 gig is the max. here is what it says for RAM
RAM
  • Installed Size 4.0 GB / 8.0 GB (max)
  • Technology DDR2 SDRAM
  • Memory Speed 667.0 MHz
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check to make sure you have added the right type of memory. also look at your user manual. it should tell you where and how to place the added sticks. sometimes they have to be added in pairs or have to be in specific slots. also if you dont have the manual it is on the gateway site. you should type in your model and serial number and get all the info you need.

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Installed 2 GB of Ram (both 3200 1 GB chips). PC would not boot coorectly with 2 GB installed (errors galore). However PC runs fine with only one 1GB installed. Running XP ?


Both ram sticks must be identical to work together. A different manufacturer of one can cause all kinds of problems. Did you go to 'setup' to make sure the machine recognized the second stick? The cure is likely to be purchasing another stick identical to the other new stick. Hope this helps!

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This board has a dual channel memory. To function correctly both channels must be identical otherwise , as you can witness, it chokes. To put it simply you must put either 2 identical sticks of memory or 4 - it can't run on 3.

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I have a problem for detect my ram for SE7520BD2s


Most Operating systems that are 32 bit only support 4GB of RAM. You have to have 64bit version to recognize more.

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2 Answers

DDR2's only showing half installed RAM


IF THE SYSTEM SAYS YOU HAVE 1GB RAM THAN YOU HAVE 1 GIG OF RAM, EVEN THOU SOMEONE TOLD YOU YOU HAD 2-512MG=1GB.

HERE IS HOW I SEE WHAT YOU ARE SAYING YOU HAVE 2-DDR-2 1 GIG STICKS THAT MEAN IF 1 IS INSTALLED THAN YOU HAVE 1 GB AND IF YOU COULD GET 2 STICKS WORKING TOGETHER THAN YOU WOULD HAVE 2GB RAM.
1 CHIP SET = 1GB RAM
2 CHIP SET = 2GB RAM

YOU MOTHERBOARD MAY NOT ALLOW THAT MUCH RAM, OR WHAT I MEAN THE BIOS MAKE UP THE AMOUNT OF RAM.

TO RULE OUT ANY BAD CHIP SETS OR GOOD RAM OR BAD RAM.

TAKE THE PEACE OF RAM THAT IS WORKING OUT AND REPLACE IT WITH THE OTHER PEACE AND SEE IF IT WILL RUN.
IF IT WORKS THAN LEAVE THAT ONE IN PLACE AND INSTALL THE SECOND PEACE IN THE SECOND SLOT.
IF BOTH CHIP SET ARE GOOD THAN BOTH SHOULD WORK OKAY TOGETHER.
IF THERE IS A PROBLEM, IT MAYBE SOME DUST IN THE MEMORY LOTS
OR THE SLOT MAYBE DAMAGED.
OR
THE CHIP DESIGN LAYOUT MAYBE THE OPPOSITE SIDE, THIS MAY MEANS THE CHIPS MAY FACE EACH OTHER, OR FACE OUTWARD FROM EACH OTHER.

ROD

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1gb shows 512mb only


Your mobo is quite old and its chipset can only support a maximum of 512MB PER SIDE (technically called a bank) of a memory module. I would guess that your 1gb memory module has 8 chips that are all located on one side of the module, putting all of the 1 GB on one bank. Thus, only 512MB of your 1 gb RAM is detected and usable by your motherboard (the remaining 32 mb is most likely being used by your onboard video). You'll need to find a double sided 1 gb memory module (usually 8 chips on each side).

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If it has 4 slots and supports 2Gb max with 2 slots currently populated with 2 x 256mb chips you'll need to remove both those chips and install 4 x 512mb chips to reach the max of 2 Gb.

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