*HP HDX 9000 DRAGON Owners Lounge, Part 2*

Discussion in 'HP' started by 2.0, Sep 3, 2010.

  1. Apollo-HDX

    Apollo-HDX Notebook Guru

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    Thanks for the heads up. I decided not to go ahead with the bezel swap. From the looks of it the bezel is one piece. I was under the impression it was two parts. I only wanted to replace the part above the speaker array. The bezel from the machine I want to use as a donor has more damage in the speaker area than the crack on the upper part of the bezel on the machine I want to replace. It makes sense to just leave the two laptops as they currently are.
     
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  2. 2.0

    2.0 Former NBR Macro-Mod®

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    On X9100 v X9000

    X9100 base multiplier is 11.5. To convert to clock speed, divide multiplier by 4 then multiple by bus speed.
    X9100 [11.5/4 = 2.875 x 1066mhz = 3065mhz/3.0ghz] but @ 800 bus speed = [2.875 x 800mhz = 2300mhz/2.3ghz]

    Whereas, the X9000's base clock speed in 2.8ghz [2800mhz] - base multiplier is 14

    You'd lose 500mhz at the base clock going with x9100.

    This is why you would want to overclock the Front Side Bus from 800mhz to 1066 mhz

    --------
    If you overclock the X9100 to a multiplier of 15 on a 800mhz bus, [15/4 = 3.75 x 800mhz = 3000mhz/3Ghz]. Which is about as high as you can overclock it as on its native 1066 bus for the chipset it was designed for would be 4Ghz, but on a 800mhz bus, would only be 3Ghz.
     
  3. Apollo-HDX

    Apollo-HDX Notebook Guru

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    True, but that will require modifying the motherboard according to remdale's instructions, which looks simple enough but one small error and the board could be rendered unusable.

    Is a multiplier of 15 the limit? Providing that is the case, then it is worth getting the X9100 if one was also going to do the FSB mod. I initially raised this option thinking the X9100 might be better for OCing by virtue of its higher default clock speed. If there's no available multipliers above 15 then it's not a good idea for that purpose; I haven't committed to modifying the FSB despite wanting to.

    On the flip side, since I already have an X9000 in my other HDX, if the FSB mod fails for whatever reason, I still have that CPU to put in my preferred machine. So, there really isn't a compelling argument against this chip. Also, the X7900 is running noticeably hotter even at stock speeds, and would much rather have any 45nm CPU for the long run instead of this one.
     
  4. 2.0

    2.0 Former NBR Macro-Mod®

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    15 is about as high as you can go. Best binned X9100 may be able to run at 16 or so stable. But again, on an 800mhz bus, it's still lower than what a X9000 can do.

    I've done the FSB mod years ago (link to everything you might need on page one) and found it unsatisfactory as far as total system stability goes. And this was done with a T9300.
     
  5. Apollo-HDX

    Apollo-HDX Notebook Guru

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    Interesting. I guess it also depends on the other components in the system. I'm going to have to take that into consideration. The Predator 21 X is looking better and better all the time... LOL. (j/k)
     
  6. remdale

    remdale Notebook Evangelist

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    The overclocking capability depends on the silicon itself. Apart from that, the built-in cache memory works at the very same frequency as the CPU core does. When overclocking core frequency, the built-in SRAM gets overclocked too and who knows what's the frequency limit for that thing.
    It might also be the case that the CPU power is not enough for higher multipliers. So if you wanna max everything out of your CPU, just do overclocking with an external CPU power like this dangerous thing
    https://www.amazon.com/EVGA-EPOWER-V/dp/B081BCX5KJ/
     
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  7. triturbo

    triturbo Long live 16:10 and MXM-B

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    X9100 can go as high as you can cool it. Got mine (it was E0 revision and my cooling was custom) to 3.9GHz stable, 3.8GHz everyday, on 800MHz FSB with two phase power delivery. You have three phases.
     
  8. remdale

    remdale Notebook Evangelist

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    We do. And according to the Dragon's manual, it should be capable of providing 55W for CPU.
     
  9. 2.0

    2.0 Former NBR Macro-Mod®

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    What sort of custom cooling solution did you use @ what volts?
     
  10. triturbo

    triturbo Long live 16:10 and MXM-B

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    Has quite some room for overclocking or/and quad :D


    Air only, never got the water running.

    These are the voltages, the "(4,0) 20x" is just there, it doesn't reflect actual value as it needed more than that and my cooling was insuficient.
    Code:
    (4,0) 20x 1,4500
    (3,8) 19x 1,3500
    (3,6) 18x 1,2750
    (3,4) 17x 1,2125
    (3,2) 16x 1,1500
    (3,0) 15x 1,0875
    (2,8) 14x 1,0500
    (2,6) 13x 1,0125
     
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