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Thread: Asus P5P800 Voltage Mods

  1. 02-23-2005, 06:10 AM #51
    Firefoxx
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    Is it possible to use instead of the 47 kOhm Trimmer a 50KOhm Trimmer?
    Intel P-M 730
    Asus P4GD1
    Aopen 7800GTX
    1024MB BH5

    Personal Records:
    P4@5400MHz, P-M@3,2GHz: BH5@289MHz 2225; FSB 350MHz; EB@396MHz 4228; Temp@ -189°C^^
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  2. 03-12-2005, 02:56 AM #52
    DDA
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    vagp mod; may I hv some better photos and resistor value pls ?

    tks
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  3. 04-12-2005, 09:31 AM #53
    Impaqt
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    These are nice pictures and some good info, but are there more comprehensive instructions... Like Parts list in particular... I see a lot of refereces to 50k trimmers, but will any do? Whats the recomended amountof turns on the adjustment? Wattage rating?

    Thanks...
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  4. 04-12-2005, 09:34 AM #54
    charlie
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    The Vdroop mod needs approx 28K Ohms to function correctly, You will use a Multimeter to pre-set the Variable resistor (trimmer)....then solder in place as shown.

    C
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  5. 04-12-2005, 09:57 AM #55
    Impaqt
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    Is this a GOod trimmer to use then?

    http://www.alliedelec.com/cart/Produ...299P%2D1%2D503
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  6. 04-12-2005, 10:53 AM #56
    charlie
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    Quote Originally Posted by DDA
    vagp mod; may I hv some better photos and resistor value pls ?

    tks
    BumP?
    Does anyone have better detail of the Vagp mod?? Resistor value??

    C
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  7. 04-13-2005, 07:07 AM #57
    charlie
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    or maybe a VTT mod??
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  8. 04-13-2005, 07:43 AM #58
    The Stilt
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    Found this from my archives:






    Asus boards don´t need VTT mod, because its tracked perfectly by default.
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  9. 04-13-2005, 12:01 PM #59
    Malves
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    Just to add, you can use pin 11 of LM324 for GND if you want.
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  10. 04-15-2005, 04:33 PM #60
    charlie
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    which pin is 11? I always get confused where to start when counting pins
    can you mark up the pic?
    C
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  11. 04-15-2005, 05:00 PM #61
    Malves
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    Quote Originally Posted by charlie
    which pin is 11? I always get confused where to start when counting pins
    can you mark up the pic?
    C
    Pin right above letter "A" of the IC marking.
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  12. 04-17-2005, 07:02 AM #62
    charlie
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    thx, Malves!!!
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  13. 05-02-2005, 10:06 AM #63
    NinjaZX6R
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    I might have missed it somewhere, but does this board track VTT correctly? In other words, will I be ok if I just use the direct 3.3v vdimm mod? I don't think I'll do any other mods. My A7N8X is dead because of my crummy soldering, but this looks do-able.

    -Collin-
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  14. 05-02-2005, 11:52 AM #64
    Malves
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    Yes, VTT tracks vdimm.
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  15. 05-14-2005, 04:00 PM #65
    gnode
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    Any insight into fsb instability above 260?

    Anybody have any insight into the fsb instability above 260?
    Is it real or a measurement glitch?
    Any fixes out there?


    Gnode
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  16. 05-14-2005, 05:24 PM #66
    Supertim0r
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    could the vagp damage the videocard ?
    retired computer enthusiast
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  17. 05-14-2005, 06:30 PM #67
    Malves
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    Quote Originally Posted by Supertim0r
    could the vagp damage the videocard ?
    No,Vagp does not have anything to do with the AGP slot. Increasing vagp, may improve stability on high FSB.
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  18. 06-01-2005, 05:38 AM #68
    gnode
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    Instability at high FSB ---- Solution!!

    Update: Solution -- Used a 20 pin to 24 pin adapter for the atx power supply

    Rock steady at a FSB of 270 MHz -- Thanks, I Found NEMO


    Now at 280 MHz!!!
    Last edited by gnode; 06-01-2005 at 05:41 AM.
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  19. 06-04-2005, 04:07 AM #69
    gnode
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    Quote Originally Posted by gnode
    Instability at high FSB ---- Solution!!

    Update: Solution -- Used a 20 pin to 24 pin adapter for the atx power supply

    Rock steady at a FSB of 270 MHz -- Thanks, I Found NEMO


    Now at 280 MHz!!!


    Unfortunately now Instability sets in at 284.

    Help anybody?
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  20. 06-07-2005, 12:07 PM #70
    Dark Raider
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    where can I probe with multimeter, for vcore droop?
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  21. 06-15-2005, 06:09 PM #71
    Gonwee
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    So can i use a 28K fixed resistor or should i use a VR to find exactly where it should be?

    And how do i know when its where it needs to be?

    I've never done any vmods before and i don't want it to fry.
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  22. 06-25-2005, 03:05 AM #72
    winsonlee
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    Does anyone make a particular tutorial to help with us?thx
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  23. 07-04-2005, 11:07 PM #73
    CaTalyst.X
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    Here is one i drew up for the droop mod.........

    http://forum.overhauledpc.com/showth...=9267#post9267

    -CaT
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  24. 07-06-2005, 06:06 PM #74
    CaTalyst.X
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    Quote Originally Posted by Malves
    No,Vagp does not have anything to do with the AGP slot. Increasing vagp, may improve stability on high FSB.
    Hrmm...it shouldnt damage your agp card, it may heat it up a bit more, as it DOES increase the voltage to the AGP slot, it also raises the NB voltage a bit which is why it can help stability

    -CaT
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  25. 07-15-2005, 10:36 PM #75
    Lil Big Mec
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    Any reason you couldn't use grabbers on the legs of the chip?
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