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Thread: OCZ Booster droop mod?

  1. 03-01-2005, 11:10 AM #101
    Rub87
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    Checked it with a scope, seems verry good..!

    It coulb be me, as I don't know how to use the scope properly but from what I can see, the generated current is much more stable than the psu's +5v rail..

    The line on the scope has much verry little up's and down, but they're very small, about 1/20 of a div and with div height @ 0.2v, while the +5v's ups and downs are almost as high as 2 div's (0.4v)

    I can't go lower than 0.2v/div and the div lenght is 0.02ms


    As cap I used 1µF...
    Venice 3500+ M @ 3ghz - Lanparty nf4 2 dimms dead - X800 - 512 Mb BH-5 - 1* WD360GD - 1*SP1213C - 1* Maxtor 6Y120L0

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  2. 03-01-2005, 11:46 AM #102
    persivore
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    Was that under load or at idle (I assume it was under load)
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  3. 03-01-2005, 02:18 PM #103
    Rub87
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    Load,

    254fsb 11-2-2 2 is primestable in single channel, dual channel 220 isn't even stable..

    I noticed that when runnen prime95 @ 255 fsb, 3.5v, the fluctuation is a bit higher, any ideas how to make it smoother?

    Got video, this is under P95, 1 stick BH-5 @ 255 fsb, 3.5Vdimm, using 1µF as capacitor between the scope wire and vdimm...

    Video
    Venice 3500+ M @ 3ghz - Lanparty nf4 2 dimms dead - X800 - 512 Mb BH-5 - 1* WD360GD - 1*SP1213C - 1* Maxtor 6Y120L0

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  4. 03-02-2005, 08:55 AM #104
    persivore
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    Are you running double sided or single sided sticks of RAM?

    You could try adding a capacitor directly accross the output of the Vdimm MOSFET, and a choke in series with the Vdimm output, and a capacitor after that, on the RAM side of the supply to form a PI filter which will help to filter the supply.
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  5. 03-02-2005, 02:46 PM #105
    Rub87
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    Single sided...

    What is meant by a choke?
    Venice 3500+ M @ 3ghz - Lanparty nf4 2 dimms dead - X800 - 512 Mb BH-5 - 1* WD360GD - 1*SP1213C - 1* Maxtor 6Y120L0

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  6. 03-03-2005, 05:00 AM #106
    persivore
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    Chokes are the round ferrite rings with thick copper wire wound around.
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  7. 03-14-2005, 08:26 AM #107
    Rub87
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    I haven't tried the chokes yet, but with 2*256 BH-6 dual sided sticks (corsair xms pc3200 rev 1.1) I have 245 stable dcddr @ 3.5v...

    Any idea why this isn't possible with BH-5?

    Greetz

    Also I noticed that with pair multipliers (5,6,7,...) I can go much higer than with unpair multipliers (5.5,6.5,7.5,...) any input on this issue?
    Last edited by Rub87; 03-14-2005 at 08:32 AM.
    Venice 3500+ M @ 3ghz - Lanparty nf4 2 dimms dead - X800 - 512 Mb BH-5 - 1* WD360GD - 1*SP1213C - 1* Maxtor 6Y120L0

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  8. 03-14-2005, 09:47 AM #108
    persivore
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    The problem with the multipliers could be related to the BIOS. I'm unsure as to why the BH-6 is clocking higher than the BH-5, but it could be related to CPC.
    Different RAM will clock differently in the boards too. I could only reach 235 stable with 1*512 3700 EB, but with 2*512 TCCD I could get up to 245+ stable (was prime stable at 245 with both the EB and TCCD, but I wasn't 3d stable with the EB)
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  9. 03-31-2005, 08:21 PM #109
    bh2k
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    Bumping this thread I got some high res pics of a booster

    http://www.brainwashstudios.com/stev...r/43600003.JPG
    http://www.brainwashstudios.com/stev...r/43600002.JPG
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  10. 08-18-2005, 01:00 AM #110
    persivore
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    I've split this thread from the actual mod to make it easier to find
    Edit: The new thread can be found here
    Last edited by persivore; 08-18-2005 at 01:04 AM.
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