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Are laptop CPU sockets proprietary?

By vegasgmc
Feb 23, 2007
  1. I have a Compaq C300 laptop with Celeron M socket 478. I got a Centrino socket 478 to upgrade but the socket on the laptop mobo is missing one hole in a corner so the new chip wont fit. This is my first laptop and Ive never heard of anything like this. Compaqs site is no help.
     
  2. Tmagic650

    Tmagic650 TS Ambassador Posts: 17,244   +234

    The CPU may not be upgradeable. Are you sure the HP/Compaq site has no info on CPU ugrades for your model?

    Compaq C300 CTO
    Compaq C300 EA
    Compaq C300 EU

    I checked the site and no CPU upgrade info is there. The CPU/socket is most likely proprietary
     
  3. vegasgmc

    vegasgmc TechSpot Chancellor Topic Starter Posts: 1,377

    I assumed since both processors are socket 478 that the Centrino would be a drop in. I couldnt find any info on HPs site about upgrades and when I contacted tech support they would only say that "HP does not reccomend upgradation the processor". Their exact words.
     
  4. Tmagic650

    Tmagic650 TS Ambassador Posts: 17,244   +234

    You could try and remove the pin from the new CPU and see if it will fit the socket and work...
     
  5. cfitzarl

    cfitzarl TechSpot Chancellor Posts: 1,975   +9

    Yes, and if it doesn't work, then he won't be able to return it :(
     
  6. Tmagic650

    Tmagic650 TS Ambassador Posts: 17,244   +234

    Very true cfitzarl,
    I have seen this trick work in other laptops, but it does tend to scare most away from changing a CPU doesn't it :)

    Edited by Moderator: Removed quote. There`s no need to quote the post directly above your own. ;)
     
  7. dmill89

    dmill89 TS Guru Posts: 475

    EDIT: It appars you have a socket 478 cpu and a socket 479 motherboard. You will need to get a socket 479 CPU (actually has 478 pins but they are alinged differently.)

    Here's a link showing the difference between these two socket types: http://reviews.ebay.com/Intel-apos-s-479-Socket-Explained-and-Compared-to-the-478_W0QQugidZ10000000000074521

    There is no such thing as a propriatary CPU socket except for embeded (soldered in) chips since all computer manufactures must comply to the CPU makers standard sockets.
     
    1 person likes this.
  8. Nodsu

    Nodsu TS Rookie Posts: 5,837   +6

    Not to mention that it would be impossible to get any CPUs for your proprietary custom CPU socket ;)
     
  9. Tmagic650

    Tmagic650 TS Ambassador Posts: 17,244   +234

    Thanks dmill89,
    this clears up a lot...
     
  10. vegasgmc

    vegasgmc TechSpot Chancellor Topic Starter Posts: 1,377

    Now Im ven more confused. I checked HPs site for a replacement Celeron M and they say its a socket 479.
     
  11. Mictlantecuhtli

    Mictlantecuhtli TS Evangelist Posts: 4,345   +11

    Well, if it's a socket 479, different from 478, why would it need a "standard socket 478 CPU" ?

    Any Celeron M or P4M, socket 479, should work (if they're not too fast for the mainboard).
     
  12. Tmagic650

    Tmagic650 TS Ambassador Posts: 17,244   +234

    Just trade your recently purchased 478 CPU for the HP recommended Celeron M 479 CPU
     
  13. dmill89

    dmill89 TS Guru Posts: 475

    Sorry I was under the asumption you were trying to put a 479 into a 478 from the previous description. It now appears that you were trying to put a 478 into a 479. As others have suggested you should get a socket 479 cpu.
     
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