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  • Ram slows it down????????

    i apologize if this has already been covered, but i didnt see a thread on it ... i read this

    Red GTi VR6
    • Memory – keep in mind that the more memory you have the longer your boot up times, however, the less memory you have the slower you computer can run
    well i have never ever heard this once w/ computers, i have always heard the opposite w/ conventional wisdom on system memory the more ram you have the quicker it will start up, they even have ram drives now for quick boots and for vista they developed a ram boot drive that seems to do nothing but help boot times and sys op speeds

    so i guess what i am looking or would be a technical explanation of why you say ram would slow down the boot time

    K
    O
    F

  • #2
    I know that applies for resume from hibernation, maybe even for POSTing. I don't know about OS boot times though.

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    • #3
      It makes the difference only to hibernation...

      1024mb of RAM makes a 1024mb hiberfil.sys file, and so on...

      Obviously a 1024mb file takes longer to load than a 256mb file
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      • #4
        it does matter in hibernation, but it also effects standard boot times.

        more ram is better. it allows you to keep more in memory from the HD when your running something so when the program calls for something it already has it on hand to page off of, instead of having to access the HD and query for info. The more ram, the more it keeps in memory.

        now, with that said. When you start up a pc. it goes thru POST. (Power on self test). one of the things it does in the post is to send voltage thru each memory sector of the ram to make sure all sectors are correct. The more ram you have the longer it will take to check the ram. Some computer bios will allow you to shut that off, but not all. if youve ever looked at your pc while its starting, what im talking about is the number that counts up in the left hand top corner.. This now concludes todays session of CS101.
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        • #5
          Originally posted by king_of_fools
          i apologize if this has already been covered, but i didnt see a thread on it ... i read this

          Red GTi VR6


          well i have never ever heard this once w/ computers, i have always heard the opposite w/ conventional wisdom on system memory the more ram you have the quicker it will start up, they even have ram drives now for quick boots and for vista they developed a ram boot drive that seems to do nothing but help boot times and sys op speeds

          so i guess what i am looking or would be a technical explanation of why you say ram would slow down the boot time

          K
          O
          F
          Well more memory means more memory to check when POSTing. Though I cant' see that being anything of note these days, though on older computers, it was quite noticable.

          Depending on if all memory is written or not when hibernating, that would slow it down as it has to read and write more.
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          • #6
            my laptop has 1gig of ram, 1.7ghz processor

            and from being powered off, to fully on and in windows, only takes me about 30 seconds

            i really gotta wonder how impatient some people are, that 30 seconds is too long, lol

            should really let your engine warm up anyway :T

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            • #7
              Originally posted by yrean
              now, with that said. When you start up a pc. it goes thru POST. (Power on self test). one of the things it does in the post is to send voltage thru each memory sector of the ram to make sure all sectors are correct. The more ram you have the longer it will take to check the ram. Some computer bios will allow you to shut that off, but not all. if youve ever looked at your pc while its starting, what im talking about is the number that counts up in the left hand top corner.. This now concludes todays session of CS101.
              Unless your computer is an antique you don't even have to worry about that.

              More memory is better. Just use standby and you don't have to worry about the much slower hibernation.
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              • #8
                i didnt say it was that big of differnece. just that it takes longer. now days itll add a second maybe tops, I was just saying it is longer and explaining why to answer their question. Some people cant wait 30 seconds for a boot, add a second to a boot up time and some people might blow a vein out in there head.
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                • #9
                  yes i understand it takes the time for posting, but ... i think, especialy w/ newer computers, it more than buys back the time w/ its performance during the rest of boot

                  but now this hibernation thing, that makes sense if that is what he was talking about.

                  i am still thinking in terms of a conventional pc, and i hardly ever use the hybernation mode if ever ... is there a thread already started on hybernation etc? i am a newb to the forums but i dont wanna ask stuff thats already been covered

                  K
                  o
                  F

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                  • #10
                    hibernation takes everything thats in memory and then saves it to a file if you have 1024mb memory.(1gig) the file it has to right will be that size. it is a faster boot then a full shutdown and when it loads up it loads the saved file allowing it to be exaclty how it was before you shut it down. whatever was running and where will be right where it left off. With that being said. Some USB devices have a heart attack when you come out of hibernation. so if you have alot of usb devices and you start having problems with them being recogized thats why.

                    Standby is better in most cases unless your going to not start your car for a long time since stanby draws a little bit of power while in stanby mode.
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                    • #11
                      ok, then tell me this, is there a way to calculate how much it draws in this mode, am i able to figure this out ahead of time? or is this only once i build my system that i can find out?

                      k
                      o
                      F

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                      • #12
                        in stanbdy mode the pc keeps voltage to the ram to keep everything in memory instead of writing to a file like hibernation. it takes very minimal power for this. I think your pc will draw about 275mA. that is just a guess but it should be about what it will draw. A mac mini i think draws about 230mA. So your pc should be good for a few days without killing your battery. Most of the smart power supplies will monitor batteries and will HARD kill the power so your battery doesnt die even if your not going to drive the car for an extended period of time it shouldnt kill the battery.

                        Keep in mind i beleive its the 5v rail that the power is drawn off of for the ram, so each usb device you have plugged in will also draw a little bit of power since theyll stay on.
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                        • #13
                          Originally posted by yrean
                          Some people cant wait 30 seconds for a boot, add a second to a boot up time and some people might blow a vein out in there head.



                          people are impatient, thats the problem

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                          • #14
                            Originally posted by FC3S


                            people are impatient, thats the problem
                            Well, the goal for me is to eventually have digital gauges as my primary, so ~30 seconds is a bit of a drag.

                            I will say this about linux hibernation, I've not had any problems at all outside of actually getting everything compiled (some missing stuff in the packages I used) and one sound issue, I was very suprised. One of the easier things to I've done.

                            The downside is it takes just about as long as a normal boot.
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                            • #15
                              Originally posted by shotgunefx
                              Well, the goal for me is to eventually have digital gauges as my primary, so ~30 seconds is a bit of a drag.
                              well still, should let the car warm up first, lol


                              but yeah, i wouldnt go windows for digital gauges :/

                              going down the road and get a blue screen on ur speedo

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