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ddr Memory

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Name: Mike
Date: September 2, 2002 at 18:56:49 Pacific
Comment:

I have a Anthlon 1400 mhz computer aand running windows me.The problum is this I have 512 ddr memory installed in my system propertys it says I only have 383.I ran a test at pcpit stop is this is what is says.Bios is reporting 256 mb and windows is reporting 383.Pcpitstop also says I may have a bug or need to update my bios.Is there a site that I can run a bug check on and seconed how do I get this update and is it free?This is what I have

A7A266
socket A
motherboard Alima Gik
133 mhz
bus clock 133



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Response Number 1
Name: Darrell
Date: September 2, 2002 at 21:49:08 Pacific
Reply:

Hi,

Who makes the motherboard and what model is it?

I never heard of Alima Gik.


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Response Number 2
Name: DDr
Date: September 2, 2002 at 23:37:16 Pacific
Reply:

Asus makes the motherboard model A7a266.I have the manuel and this is what it says.


A7A266 E780
AliMagik 1 chipset
DDR Ram/sdram


Asus


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Response Number 3
Name: leembo
Date: September 3, 2002 at 05:20:02 Pacific
Reply:

Very commonly, memory modules need to be run in identical pairs. Many mobo manuals state that too. If you have mixed RAM memory, the larger one MUST normally be located in DIMM1 on your mobo. Check the manual for that. Not having an identical pair of modules could also be the reason why you're getting that "bug" report.

Ever since the 200/266 and higher FSB mobos came out, it became *VERY* important to check for memory compliancy before buying memory for your system. Today, many, especially cheaper memory modules, will not work correctly if they're not 100 percent compatible with the mobo. The consequences in most of these cases?

Your mobo only recognizes HALF of one of the modules! 256 MB plus 128 MB is 384 total. Sounds to me like that is what's happening with you. I have seen quite a lot of memory that is NOT compatible with the ALI chipset, specific INTEL chipsets, and some AWARD chipsets. You really have to do your homework in advance, before you buy the RAM.

I suggest you try to return it to the store, and explain to them whihc chipset your mobo is using - to see if your memory is indeed supposed to be 100 percent compliant with your computer.


Hey Intel, AMD rulez!


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Response Number 4
Name: Mike
Date: September 3, 2002 at 08:25:00 Pacific
Reply:

leembo thank you or all the info.The only problem is the memory that is in the puter now is the correct memory it has been in this puter for 3 years and was working fine.It is just recently that I started having problems with the memory.


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Response Number 5
Name: leembo
Date: September 3, 2002 at 10:47:21 Pacific
Reply:

Look at what you wrote at the top . . .
You're talking about "DDR" memory.

If your new memory is DDR, then that's your whole problem since most or even all computers did *NOT* use DDR memory back then. If I'm not mistaken, DDR ram has only been freely available for the past 18 months or so - and it would not be compatible with the SDRAM which was used in most computers three years ago. Obviously, something changed - since the computer can't change hardware on its own.

Also, your mobo might not support more than 384 MB of ram. Mobos do have limitations for ram - especially ones that are 3 - 4 years old, or for that matter, only 2 - 3 years old. Have you tried reading your mobo manual, or looking up the specs for your mobo online?

That second ram module is not being read correctly. Either because you just bought it and the older mobo can't handle that much ram, or because there's a conflict going on, because now you're mixing DDR ram with SDRAM memory. I find it very hard to believe that you had 512 MB of DDR memory, three whole years ago . . . ???

And if your memory is indeed new, you might have a voltage issue too - if both modules are not identical.


Hey Intel, AMD rulez!


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Response Number 6
Name: leembo
Date: September 3, 2002 at 10:53:04 Pacific
Reply:

If the 512 MB of ram in your computer is the same memory that you've had all along, and only now you see 384 MB of ram, as opposed to the 512 Mb that you've had before - then either one of your modules is beginning to wear out, or you might have a bios setting where system memory is allowed to be SHARED with onboard peripherals. Check your bios for ANYTHING that reads as 128 - usually in the peripheral section, or in the advanced configuration setting. Not 100 or 133 - ONLY 128 . . .

If you find something, then set it down to only 64 with the "plus" or "minus" keys on the keyboard. Reboot, and see what shows up in windows at that time . . .


Hey Intel, AMD rulez!


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