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My latest Quadcore......even I need a little help on this one

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    My latest Quadcore......even I need a little help on this one

    Ok, I scored this board a few days ago, traded my Asus K8N server board for it. (reference this thread for the asus: https://www.badcaps.net/forum/showthread.php?t=9398)

    I hate asus boards with a passion these days, and a local guy just had to have it, and offered me a Tyan s2895 K8WE, which is a much better board by far. The asus had onboard video, no PCI-X slots, and 1 PCI express. The asus would make a better server board, the Tyan would be a much better high-end workstation, which is what I wanted it for. The s2895 is a very hard board to come by, but the catch was it had bad caps......like that's going to bother me. I got the board and a few bucks along with it.

    Anyway, recapped, up and running....but here's the problem....

    Note the photo below of the front USB header, there's a scorch mark on the board where an SMT component was. The board works fully stable, SATA works, PATA works, rear USB works, as do the NIC's and all PS2 ports. I'm rendering a guess that the toasted spot is related to the front USB header (I haven't tested it). I have hunted high and low for a high resolution photo of one of these boards to no avail, in an attempt to identify the toasted component. There was nothing left of it besides some soot. I just cleaned the remains of it off the pads when I recapped it. The guy i got it from was no help, he said it was like that when he got it, and since the system didn't work because of the caps, he had no idea....

    If anyone happens to have one of these boards, I'd love to know what that component needs to be.

    Here's a pic of the scorched area. I can provide the high res if needed, but it won't help, the component is gone:


    Also, it came with no I/O shield, and I even called Tyan, they don't make them anymore. None on Ebay.......so I also am in desperate need of an I/O shield for it.

    Anyway, here's a few pics.... This is my first ever SLI video configuration. Here's what its specs will be when its done:

    Tyan Thunder K8WE s2895
    2x Dualcore Opteron 285's
    8gb ECC RAM
    2x nVidia 7600 GT's (those nice poly modded ones from a couple months ago)
    3ware 9550SXU-8LP 8 Port SATA II RAID card W/ BBU
    ...and the best part: http://supermicro.com/products/chass...3TQ-865-SQ.cfm

    I liked that case so much for my home 8-core system, I bought the bare case for this system. It will replace my old 5200+ dualcore system in my office.

    Anyway, some pics...













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    #2
    Re: My latest Quadcore......even I need a little help on this one

    That power connector looks like it had a run in with a bad PSU too.

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      #3
      Re: My latest Quadcore......even I need a little help on this one

      Originally posted by seanc
      That power connector looks like it had a run in with a bad PSU too.
      The 8 pin one did, its pretty crunchy and had arced internally. I've cleaned the pins in it, but I'll replace it if I have one in a junk board somewhere.

      The 24 pin one is in perfect shape, just discolored. The board was NASTY when I got it, came from a heavy smoker. it got the simple green hotwash treatment when it first arrived. The 24 pin connector is nicotine stained, not burnt.
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        #4
        Re: My latest Quadcore......even I need a little help on this one

        A quick Google, the best I can find so far...

        Looks like is says U (logo?)260 (of what?)... not sure what the 8 legged friend above it is.

        Edit2: Looks like it says F6 below it, whether that means fuse or not...
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          #5
          Re: My latest Quadcore......even I need a little help on this one

          ^
          wow, I googled the hell out of it and didnt come up with any of that. the little 8-legged critter *appears* ok, its intacts and not burnt, its just the U260....now to find out what that is...

          The "F6" would be a fuse....hmmmm

          Thank you for those images, that was most helpful!
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            #6
            Re: My latest Quadcore......even I need a little help on this one

            I'm 99% sure it's a fuse

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              #7
              Re: My latest Quadcore......even I need a little help on this one

              sorry i "stole" your source of an 8 pin connector!

              context: he gave me a supermicro psdge with a bad lga 775 socket, which i fixed and use as my gaming rig. it had 8pin 12v+, which made it a hit with a ac-bel 550w. complete with one of his recapped nvidia geforce 7600gt cards, and a cpu/cooler from another forum member, its a badcaps .net special!

              as for the smd burnout, i did that to an old jetway pIII board ages ago. killed the front usb by screwing up the pinouts (compqp p3 era used a SCREWY pinout for the usb, see the FIC az31). edit- that makes sense, as doing what i did would short and blow a fuse, so it being a fuse makes sense.

              maybe someone has one? if they do see if they can give info (and pray they have a jewelers loop)

              search for the backplate without using the model. maybe someone else made a board with THAT config. if not, do without (it's what i did with the supermicro until i found one close enough to dremel out).

              edit- someone else was looking for one and found it: http://arstechnica.com/civis/viewtop...?f=12&t=121709

              oh, and what is that card connecting the 2 pci-e 16x slots?
              Last edited by ratdude747; 05-01-2010, 08:24 PM.
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                #8
                Re: My latest Quadcore......even I need a little help on this one

                ^
                That card is the SLI bridge. came with the board.

                No biggie on the SM board, rather you have it up and running than me trash it for 2 cents worth of parts off it. I think I have a dead Dell XPS board here that has the 8 pin connector on it.

                The silkscreen was burnt off my board, so I couldn't tell it was a fuse. The pics have cleared that up, it is a fuse.
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                  #9
                  Re: My latest Quadcore......even I need a little help on this one

                  ok, so thats what it is. i thought sli was just 2 cards on the board, my bad.

                  i was kidding about the sm board, i thought we could use a laugh! by the way, thanks for it, otherwise that system would still be in emachines hell right now.
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                    #10
                    Re: My latest Quadcore......even I need a little help on this one

                    Some logic (most likely screwy being that it's 3am) would tell me it's a 260ma fuse. I can't find any 260ma, so you might get away with 250ma - which it may actually say, it's difficult to read.

                    http://uk.rs-online.com/web/search/s...duct&R=5413552

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                      #11
                      Re: My latest Quadcore......even I need a little help on this one

                      i doubt that if it is usb, it would be closer 1000mA (500Ma per port)
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                        #12
                        Re: My latest Quadcore......even I need a little help on this one

                        yep.. definitely a fuse..

                        managed to blow one of those SMD fuses up on an Abit IC7.
                        front USB hooked up the wrong way, killing an USB Cardreader & the fuse -.-!

                        the card that was in that cardreader didn't take any damage.. lucky me..

                        that's what you get for putting a system together at 3:30AM

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                          #13
                          Re: My latest Quadcore......even I need a little help on this one

                          its a polyfuse.
                          i have seen several boards where these things burned like that.
                          they are normally green.salvage one off a junk board at its usb ports.
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                            #14
                            Re: My latest Quadcore......even I need a little help on this one

                            ^
                            I'll do it today, hopefully replace the 8 pin power connector as well.
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                              #15
                              Re: My latest Quadcore......even I need a little help on this one

                              Fuse replaced. I havent tested to see if the front USB header works, but the board didn't go POOF when I fired it back up....so I'll assume its working for now.....I'll try it before installing the board.

                              I didn't have an 8 pin power connector though.....of the hudreds of junk boards here, not even one had it......
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                                #16
                                Re: My latest Quadcore......even I need a little help on this one

                                With the exception of replacing the 8-pin power connector, the board is all up and running. Replacement of the fuse cured the front USB header, and windows installed without a hitch. Ok, I know......nothing remarkable about the resurrection of a motherboard, especially on this forum.....but it's Sunday and I'm bored.

                                Ok, not one of my prettiest repairs, but the traces were already lifting, so I had to be careful when soldering it in place.


                                USB header plugged in:


                                OS installed (winxp pro x64):


                                Front USB header test, external DVDRW:


                                Windows says howdy to the drive and gives it a letter. Passes data just fine. I also tested it with a USB thumbdrive, no issues:


                                Now for the test I was really looking forward to, the SLI test!!


                                Windows said hey-howdy to the second video card, enabled SLI, reboot, and shazam!


                                All drivers installed, everything up and running, and yeehaw!


                                Just a few before I shut it down...




                                ...now if I can just find the IO shield, perfection... If I can't, I'll have to do a ratdude and make one from a piece of metal and a dremel....I've had to do that in the past with other things, like making Dell motherboards fit in standard cases...

                                A special thanks to seanc for finding those pics which enabled the identification of the burned component!!
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                                  #17
                                  Re: My latest Quadcore......even I need a little help on this one

                                  Originally posted by Topcat
                                  ...now if I can just find the IO shield, perfection... If I can't, I'll have to do a ratdude and make one from a piece of metal and a dremel....I've had to do that in the past with other things, like making Dell motherboards fit in standard cases...
                                  yours will be harder, as mine was just extending a hole to fit 4 usb ports instead of 2:



                                  you, however will have to start from scratch.... maybe you could cut one out of an index card?
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                                    #18
                                    Re: My latest Quadcore......even I need a little help on this one

                                    I think I may have found an IO shield. The HP XW9300 server uses the same board, except its a denutted version with only 1 NIC. The rest of the IO area is the same. These boards are plentiful on fleabay, and when I get one, modifying it for the second NIC will be a 5 minute job with a dremel fitted with a small cutting wheel!
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                                      #19
                                      Re: My latest Quadcore......even I need a little help on this one

                                      time to pull a ratdude!
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                                        #20
                                        Re: My latest Quadcore......even I need a little help on this one

                                        ^
                                        Indeed my friend, indeed.
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