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Complete RAM Sheet?

Discussion in 'Motherboards & Memory' started by Munki, Feb 2, 2010.

  1. Munki

    Munki

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    Does anyone know where I can locate a complete RAM sheet, that incldues PC* and *Mhz?

    A buddy of mine is going to try to get his A+ from CompTIA, and I don't have time to make a list. If anyone could point me in a direction so I can pioint him, that would be wonderful.



    Thanks.
     
  2. TIGR

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    I'm not clear on exactly what you're looking for. Something like this? Sorry if this is a dumb response. :laugh:
     
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  3. FordGT90Concept

    FordGT90Concept "I go fast!1!11!1!"

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    You mean standards? There's a separate standard for SDRAM, DDR SDRAM, DDR2 SDRAM, and DDR3 SDRAM. Wiki has the standards listed for each of those types of RAM. Some manufacturers go beyond the standards though.
     
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    Crunching for Team TPU
  4. crazy pyro

    crazy pyro New Member

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    Just take the speed and multiply it by 8 to get the PC speed so DDR2 at 800MHz is PC6400
    Or PC8500/8=1062.5MHz, 8500 is commonly used to refer to 1066 Ram as the PC rating is calculated from the RAM speed and then rounded up/ down as 90% of people can't deal with a decimal (sorry, I like maths).
    Edit: TIGR put what you're after but it may be easier for him to use the formula and round up/ down.
     
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  5. Munki

    Munki

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    Yes, TIGR that is what he needs. Now just gotta have the other standards as well. :laugh:

    @Concept, I always forget about da WIKI.

    @Crazy_Pyro, dude, really? haha. I dislike math very much. (well unless it looks something like this :

    *.*.*.*


    Thanks you guys.
     
  6. crazy pyro

    crazy pyro New Member

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    Hey, I was just providing an alternative, some people remember formulae MUCH more easily than they do masses of figures! Good luck to your friend anyway though.
     
  7. Jstn7477

    Jstn7477

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    For old SDRAM, the PC rating is equal to the memory speed e.g. 66MHz = PC66, 100MHz = PC100, etc. (up to PC150 for out-of-spec overclocking RAM, up to PC133 for JEDEC standards if I recall.)

    For DDR/2/3, the table referenced in post #2 will suffice.
     
    Crunching for Team TPU More than 25k PPD

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