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256 ram showing as 128 mb


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#1 starcraftmaster

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Posted 06 November 2008 - 05:53 AM

hey i got a 133 sd 256mb of ram stick
when i put it in a computer the computer and bois dectecs it as 128mb of ram
i have tryed it on two computers and both say this
it is not a double sided ram stick
so is it bad ram?

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#2 Platypus

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Posted 06 November 2008 - 06:20 AM

It could be faulty, or it could be too high density for the systems - how many chips are on it?
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#3 starcraftmaster

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Posted 06 November 2008 - 08:02 AM

there is 8 chips
and 1 very small one of the right side

#4 Platypus

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Posted 08 November 2008 - 05:48 AM

I think the density is likely the problem. Quite a few systems that used PC133 SDRAM needed standard density 16-chip DIMMs, and they read high density 8-chip DIMMs at half capacity.
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#5 Sterling14

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Posted 08 November 2008 - 07:12 AM

Also, if they are older systems, each slot may not be able to support more than 128mb. I have a 256mb of pc133mhz ram, and I put it an older computer that supports only a total of 256mb of ram. Turns out, it only detected it as 128mb because it has two slots for ram, but each one only supports a max of 128mb.
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#6 starcraftmaster

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Posted 08 November 2008 - 09:56 AM

i got one slot with 256 mb pc133 sd ram
and a other with 128 mb pc 133 sd ram
and my motherboard can take no more then 512mb of ram

#7 eslfish

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Posted 08 November 2008 - 11:29 AM

I thought it would only say that because some ram is used for your video card...
Intel® Core™ i7 CPU 950 @ 3.07GHz (8 CPUs), ~3.1GHz
6144MB RAM 500 GB HD ATI Radeon HD 5800 Series
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#8 starcraftmaster

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Posted 08 November 2008 - 09:23 PM

no my graphics card dosent use any ram




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