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Wanting to findout what kinda ram i need to get for an upgrade. this computer only has 256mb.

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SDRAM (Synchronous DRAM)
Almost all systems used to ship with 3.3 volt, 168-pin SDRAM DIMMs. SDRAM is not an extension of older EDO DRAM but a new type of DRAM altogether. SDRAM started out running at 66 MHz, while older fast page mode DRAM and EDO max out at 50 MHz. SDRAM is able to scale to 133 MHz (PC133) officially, and unofficially up to 180MHz or higher. As processors get faster, new generations of memory such as DDR and RDRAM are required to get proper performance.


DDR (Double Data Rate SDRAM)
DDR basically doubles the rate of data transfer of standard SDRAM by transferring data on the up and down tick of a clock cycle. DDR memory operating at 333MHz actually operates at 166MHz * 2 (aka PC333 / PC2700) or 133MHz*2 (PC266 / PC2100). DDR is a 2.5 volt technology that uses 184 pins in its DIMMs. It is incompatible with SDRAM physically, but uses a similar parallel bus, making it easier to implement than RDRAM, which is a different technology.

Posted on May 15, 2010

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1 Answer

I want to upgrade my RAm from 256 to 1 gb DDR 1 , Dose A7N266-VM Rev -1.05 mother board supports it ?


amd processor? yes you can upgrade it and do not install the 256mb ram together with the 1 gb memory that you want to upgrade, better use the 1GB alone,

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I want my Laptop Dell Latitude C800 physical memory upgraded to 128 mb to 256 mb I myself already installed 256 mb Ram but it still showing 128 mb of memory...can I get help in this regard ?


I assume you installed another 128Mb of RAM to give you a total of 256Mb.
It is most likely the 2nd RAM module is not compatible with the other RAM module. Try using the same make.
OR
Purchase and install a single RAM module 256Mb or 512Mb these are not expensive.

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The pa800 has a fixed amount of Ram at 64mbs and it is not physically possible to upgrade the Ram. The pa2x has a removable128mbs Module and that can be upgraded via a 256mb Module from Korg.
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Hi, Replacing my 256mb ram (1 slot) with 1Gb (2x512). The computer would not boot. Removing 1x512 memory the computer works fine. I put my old 256Mb back with the 512 Mb and the system only reported 256Mb....


Is the speed of the RAM the same mixing PC 133 and PC100 ram can cause problems working together. Also it sounds as if your board will only upgrade to a maximum of 512 MB total.

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Error after memory upgrade


the frequency of 256mb ram is nt equivalent to one gb ram

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This computer supports up to 512 MB of RAM, so you can add another 256 MB of RAM....

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Can't find slots to upgrade RAM


here is HPs' complete instructions (with pictures) on how to upgrade your ram-- http://h10025.www1.hp.com/ewfrf/wc/document?docname=bph03886&lc=en&dlc=en&cc=us&product=59404&lang=en
keep in mind that if your computer only has two slots and they are already used by your 256MB , that you will have to replace these with larger capacity ram chips.
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Need help my computer got very high timming. if i play for some one game like counter strike, they movement very fast. my PC is : ECS GeForce 6100SM-M Proc AMD Sempron 3000+ VGA Geforce 7200GS/7300SE...


I would first try to upgrade your ram, i wouldnt want to touch a computer with less than 1GB of ram, and your only running 1/2 of that and playing a FPS game. Try to get another GB of ram, Newegg.com is a great place to shop for good prices and excellent customer service. If you only have 2 slots on your motherboard, you will have to take the 256mb chips out to replace them with larger ones. If that is the case, try replacing one of them with a 1GB stick.

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1 Answer

RAM


1st......Operating System?????
2nd.....Run Device manager to ascertain RAM installed
3rd.....Download Sandra Lite to find M/B specs.(Free Download)
4th.....Check if RAM is SODIMM,SDRAM,DDR,etc
5th.....Open PC case to ensure RAM slots available.
6th.....Purchase correct RAM.e.g.128MB->256MB,256MB->512MB,512MB->1024MB
Check to see if RAM slots are paired or not
If paired....2X128MB=256MB
2X256MB=512MB
2X512MB=1024MB

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