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check the speed of CPU

  • 02-01-2009 12:40am
    #1
    Random
    Closed Accounts Posts: 19,080 ✭✭✭✭


    Stupid question but what the heck...

    I have Advent 4211c. It has a Fn+F10 option where I can reduce CPU speed etc I believe to conserve battery. Nothing pops up the screen or anything when I do it though - so how do I know if it's in power save / battery saving mode or not?

    Thanks


Comments

  • #2
    Jonathan
    Moderators, Education Moderators, Home & Garden Moderators Posts: 8,260 Mod ✭✭✭✭Jonathan


    What os?


  • #3
    Random
    Closed Accounts Posts: 19,080 ✭✭✭✭Random


    xp home


  • #4
    AlmightyCushion
    Moderators, Education Moderators, Technology & Internet Moderators Posts: 35,125 Mod ✭✭✭✭AlmightyCushion


    Have you tried cpu z? It's free to download.


  • #5
    Random
    Closed Accounts Posts: 19,080 ✭✭✭✭Random


    6034073

    A says the spec of the laptop.
    Does B give a live reading of what the CPU is currently clocked at?


  • #6
    Jonathan
    Moderators, Education Moderators, Home & Garden Moderators Posts: 8,260 Mod ✭✭✭✭Jonathan


    *snigger*


    A looks like a penis..


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  • #7
    Random
    Closed Accounts Posts: 19,080 ✭✭✭✭Random


    Random wrote: »
    6034073

    A says the spec of the laptop.
    Does B give a live reading of what the CPU is currently clocked at?

    I've tried triggering the Fn+F10 button and not noticed any change in B even when I close the app and reopen it.
    jmccrohan wrote: »
    *snigger*


    A looks like a penis..

    O... k. ..


  • #8
    Frankiestylee
    Closed Accounts Posts: 2,325 ✭✭✭Frankiestylee


    Do you have it plugged in when you're doing the tests? I'm pretty sure the fn+f10 feature only comes into effect when you're running on batteries. When you press it a green battery icon normally pops up, similar to the wi-fi one etc.


  • #9
    Random
    Closed Accounts Posts: 19,080 ✭✭✭✭Random


    Plugged the power cable out and tried it just now. Odd how I've only tried it while running on mains. I do get an icon on the screen!

    How is it that my CPU is only reading as running at 800Mhz in the screenshot above though when power plugged in?


  • #10
    AlmightyCushion
    Moderators, Education Moderators, Technology & Internet Moderators Posts: 35,125 Mod ✭✭✭✭AlmightyCushion


    Mine shows up as 800Mhz as well. If I stress the cpu a bit though the multiplier jumps to 12 and it shows up as 1600Mhz. It seems the cpu underclocks itself when it's not being stressed. You should be able to turn this off in the bios I imagine.

    edit: a bit of googling confirms it's speedstep kicking in and dropping the multiplier. Disable speedstep in the bios and it will sort it.


  • #11
    Random
    Closed Accounts Posts: 19,080 ✭✭✭✭Random


    Well you're just full of answers aren't ya!

    I'll see if I can stress the CPU and see if it changes.

    Thanks for the thoughts lads !


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  • #12
    AlmightyCushion
    Moderators, Education Moderators, Technology & Internet Moderators Posts: 35,125 Mod ✭✭✭✭AlmightyCushion


    An anti-virus scan should stress it enough. Just to let you know if you use the latest msi bios it will let you overclock the cpu to 2Ghz. It might affect battery life a little.


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