[Solved] Adding PAE on a Compaq EVO n620c, by upgrading the CPU.

Discussion in 'PC Hardware' started by Sajjo, Jun 25, 2025.

  1. Sajjo

    Sajjo MDL Member

    Feb 6, 2018
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    n620c.jpg

    Pentium M - original (on mine)

    Banias (130 nm)
    All models support: MMX, SSE, SSE2, Enhanced Intel SpeedStep Technology (EIST)
    Die size: 83 mm2

    Pentium M 1.6 1.6 GHz 1 MB 400 MT/s 16× 0.956–1.484 V
    24.5 W
    Socket 479
    March 12, 2003

    Pentium M - update suggestion

    Dothan (90 nm)
    All models support: MMX, SSE, SSE2, Enhanced Intel SpeedStep Technology (EIST)
    PAE, XD bit (an NX bit implementation): supported by C0 stepping
    Die size: 87 mm2
    Steppings: B0, B1, C0

    Pentium M 725 1.6 GHz 2 MB 400 MT/s 16× 0.988–1.34 V
    21 W
    Socket 479
    June 23, 2004

    Someone with this lappy tried this?
    CPU is in socket, not soldered on this model.
    I don't have this Dothan cpu at hand soo... that's why my question.
    Laptop itself is limited to max 2 GB ram btw. :pray:
    Curious if i could run a highly modified and lightweight Windows 10 version on this jewel in a decent manner.
    Light browsing, reading email... that sort of stuff.

    FSB is same, DC-DC board should handle this without issues but i dunno if BIOS would stop me.
    :bookread::bookside:
     
  2. itsmemario1

    itsmemario1 MDL Expert

    Sep 10, 2012
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    Not having PAE, you had horrible performance issues (back in the days). All I found was regarding Win8.
    But there are various discussions about bypassing/disabling PAE (on WIn8?), very old discussions, where someone wrote "10 LTSC (1809) would not check for PAE".

    I have never tried it but people on youtube managed to run Windows 10 on Pentium 4...good luck! Maybe someone else can explain.
     
  3. Rocco Will

    Rocco Will MDL Novice

    Jun 30, 2025
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  4. Sajjo

    Sajjo MDL Member

    Feb 6, 2018
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  5. Sajjo

    Sajjo MDL Member

    Feb 6, 2018
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