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Thread: What is the three pin connector on the XTX?

  1. 05-28-2006, 08:36 PM #1
    NightCrawler™
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    What is the three pin connector on the XTX?

    Already posted this on rage3d but got no response yet so maybe someone knows here..




    On the right just above the red heatsink there's this 3 pin connector... what is it for...? Is it to connect a fan and if so can you control the fan speed through it..?

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  2. 05-28-2006, 08:43 PM #2
    Trice
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    My x1800 XT has the same thing, not sure what it is.

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  3. 05-28-2006, 09:49 PM #3
    IvanAndreevich
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    Looks like something for a jumper. I doubt it's anything interesting. PAL / NTSC switch?
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  4. 05-28-2006, 10:39 PM #4
    NightCrawler™
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    Could be... I've been Googling for it the entire morning but I can't find a thing about it...

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  5. 05-28-2006, 10:43 PM #5
    Hystrix^
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    Probbly it's something for a jumper, but i dunno why
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  6. 05-29-2006, 03:54 AM #6
    hot_fifty
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    could be interesting to know
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  7. 05-29-2006, 04:14 AM #7
    freecableguy
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    one leg may be ground and one may be for vddr and one for vgpu...i don't know....did you try reading voltage off them with the card running? just a thought....
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  8. 05-29-2006, 04:20 AM #8
    Vapor
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    Not PAL/NTSC....that's on the back side and MUCH smaller (and probably covered in see-through yellow tape).

    I'd also like to see what that does....just mine's off with no hope of turning on for a week or two
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  9. 05-29-2006, 05:05 AM #9
    NightCrawler™
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    I don't have a voltmeter so I can't measure a thing..

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  10. 05-29-2006, 05:17 AM #10
    ugp
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    Quote Originally Posted by NightCrawlerâ„¢
    I don't have a voltmeter so I can't measure a thing..
    NO VOLT METER! Go down to Radio Shack and get yourself one! LoL

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  11. 05-29-2006, 05:40 AM #11
    NightCrawler™
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    LOL I'm spending all my money on computer hardware these days..

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  12. 05-29-2006, 05:52 AM #12
    Raja@ASUS
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    I would not probe it with a voltmeter unless you know which pin is ground, imagine shorting 2 seperate voltage rails, perhaps throwing a good card down the drain..
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  13. 05-29-2006, 05:55 AM #13
    Vapor
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    You can check for continuity....in fact, I think I'll go dig up my XTX and do just that.

    EDIT: none are ground and it's labeled JU[mper]7
    Last edited by Vapor; 05-29-2006 at 05:59 AM.
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  14. 05-29-2006, 06:52 AM #14
    ZxCs
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    I would try putting a jumper on mine but the warranty is already void
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  15. 05-29-2006, 07:38 AM #15
    Kallenator
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    Quote Originally Posted by raju
    I would not probe it with a voltmeter unless you know which pin is ground, imagine shorting 2 seperate voltage rails, perhaps throwing a good card down the drain..
    Id like to see someone shorting something while meassuring Voltage. Only Chuck Norris is able to do that.

    Sapphire X1800XT 256

    Pin1 - Pin2 = 0.31V
    Pin1 - Pin3 = 0.12V
    Pin2 - Pin3 = 4.54V

    Ground as ref

    Pin1 - 0.24V
    Pin2 - 0.03V
    Pin3 - 5V

    I think its a Jumper thingy. But for what I dont know.
    Last edited by Kallenator; 05-29-2006 at 11:30 AM.
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  16. 05-29-2006, 07:43 AM #16
    twisted5
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    Anyone figured out what this is yet? Had to pull my card out to see if it was there and low and behold it was. This is one of those things that drive you crazy till you figure it out
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  17. 05-29-2006, 07:46 AM #17
    Raja@ASUS
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    Quote Originally Posted by Kallenator
    Id like to see someone shorting something while meassuring Voltage. Only Chuck Norris is able to that.

    Sapphire X1800XT 256

    Pin1 - Pin2 = 0.31V
    Pin1 - Pin3 = 0.12V
    Pin2 - Pin3 = 4.54V

    Ground as ref

    Pin1 - 0.24V
    Pin2 - 0.03V
    Pin3 - 5V

    I think its a Jumper thingy. But for what I dont know.


    it's not unheard of for a noob to make a mistake, I figured I'd save someone the expense of loss. Granted this is xtremesystems, however, not everyone is tech savvy. Even an unsteady hand can be one's worst enemy at times, just ask Chuck.
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  18. 05-29-2006, 12:17 PM #18
    cirthix
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    I also have these jumpers on my x1800xt 512 sapphire card and am curious about what they do

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  19. 05-29-2006, 02:55 PM #19
    G H Z
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    Maybe it's a lead connection for final card assembly/testing?
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  20. 05-29-2006, 03:45 PM #20
    STEvil
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    got a better pic of the area?

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  21. 05-29-2006, 03:46 PM #21
    Vapor
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    How big do you want it?



    I have other angles as well.
    Last edited by Vapor; 05-29-2006 at 04:03 PM.
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  22. 05-29-2006, 06:45 PM #22
    taemun
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    Look at Vapors (fine ) picture... it has JU7 silk'd onto the board next to it. Hence its a jumper

    The only useful thing that google chucked up was http://www.pcinpact.com/forum/lofive...hp/t82861.html (google trans: http://translate.google.com/translat...icial%26sa%3DG)

    The most useful post is grandcoincoin's where (I think, pending on a better french speaker :P) that he speculates that it caps the card's memory access to 256mb, from 512mb. He is basing this on its placement on the card.

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  23. 05-29-2006, 07:38 PM #23
    STEvil
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    just trying to see where the traces go, so maybe a pic directly over top would do better?

    All along the watchtower the watchmen watch the eternal return.
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  24. 05-29-2006, 07:57 PM #24
    Vapor
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    Ugh, I hate pre-processing, but this is all I can do with irfanview.



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  25. 05-29-2006, 08:18 PM #25
    Shadowmage
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    Quote Originally Posted by Kallenator
    Id like to see someone shorting something while meassuring Voltage. Only Chuck Norris is able to do that.

    Sapphire X1800XT 256

    Pin1 - Pin2 = 0.31V
    Pin1 - Pin3 = 0.12V
    Pin2 - Pin3 = 4.54V

    Ground as ref

    Pin1 - 0.24V
    Pin2 - 0.03V
    Pin3 - 5V

    I think its a Jumper thingy. But for what I dont know.

    Great info!


    BTW, for those who haven't taken Physics E&M yet: an ideal voltmeter is essentially a resistor with infinitely high resistance. Thus, it's impossible to short anything out.
    oh man
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