Upgrading CPU - Little help

By mikepoke
Nov 9, 2004
  1. I have a 400 FSB mobo. I want to upgrade my CPU from 1.7 to 2.4ghz.

    My understanding is that if I get anthing greater than a 400, like a 533 FSB, the CPU will still only run at 400. So my guess is that is not worth it, and stick to a 400 FSB cpu? Is that right?

    Also, do I need to get the heatsink and fan, too? Or will the old heatsink and fan do?

    I have a old off the shelf dell. I have been told that I can not overclock because my bios is not sophisticated enough. Does that make sense? Thanks for any help.

  2. young&wild

    young&wild TechSpot Chancellor Posts: 993

    Perhaps a little more information on your motherboard may help ie model no and brand.
  3. mikepoke

    mikepoke TS Rookie Topic Starter

    Sure, sorry about that.

    I have an Intel D845PT. I know, nothing great. Thanks
  4. Liquidlen

    Liquidlen TechSpot Paladin Posts: 1,094

    Dell's have proprietary bios options .Take a look at what is availible in yours. Then you can figur out what system adjustments you can make.I really doubt it though.
    Also sure you Mb is PT or is it PE ? At any rate there are 2.4 Ghz Processors for it @400 MHz
  5. mikepoke

    mikepoke TS Rookie Topic Starter

    Thanks for the reply.

    According the PC Wizard, its a PT. So your saying I should get a 400mhz CPU so it matches, because anything greater would be a waste or worse yet, not work?

    Also, can I still use the old heatsink and fan, or do I need new ones? thanks

  6. mikepoke

    mikepoke TS Rookie Topic Starter


    Was hoping to purchase my new CPU, but just want to be sure about the above first. thanks for any help.

  7. Liquidlen

    Liquidlen TechSpot Paladin Posts: 1,094

    If you are buying a boxed Cpu with the 3 year warrantee , it has a heatsink/fan in it. If not .I would put in a new one .I suspect yours is about 3 years old,it just isn't worth it to try and save $25 odd .We are talking about the the heart of your machine.
  8. mikepoke

    mikepoke TS Rookie Topic Starter

    Thanks for the help.
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