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Thread: 4870x2 + full cover : squares artifact.

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  1. #1
    Registered User
    Join Date
    Nov 2007
    Location
    Italy
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    37

    4870x2 + full cover : squares artifact.

    Hello everybody
    After rebuilding my watercooling rig I bought a second hand fullcover waterblock for this monster

    The block its made by Ybris Cooling (italian), its full cover, copper + plexy, CNC machined.
    The block its the following :



    Before mounting it on X2 the board was fine, both 2D and 3D.
    Well, I decided to mount the full cover on the card.
    I always discharged any eletrocstatic charges wearing non-syntetic clothes, touching the case with both hands.
    Then I usually start to work on electronic, using the classic white latex gloves.
    The block comes with no washers at all, and to avoid any problem, I didnt tight so much the screw.

    After mounting it I turned on the system, with no liquid cooling at all, just to test the board was fine (it lasted about 1 minute, the board was still cool after that time).
    And the problems began from here.

    Artifacts since POST:








    So, I told to myself: maybe its bad contact in some areas.
    Disassembled to check the contact:





    Some power chips were not correctly cooled, like some memory modules, so I tought that was the problem.
    I tightned slowly a bit more some screws in corrispondecy of that chips, with maximum care and not so much.
    But I noticed the card was bending in visible way near the PCI-Express connector, in the first GPU (looking card from top, the GPU on the left) with two memory modules near.
    Still same artifacts. Fear is inside my head.

    So I came back to stock cooler,to check if the board its okay.
    With stock cooler SAME arfifacts pattern.

    I can go in Windows, and this is the situation:



    I get some random BSOD, and as soon as I go in 3D the pc lockups and reboot or show BSOD.
    Bringing back to my old X1900XT show no issues at all, so the problem its the X2.
    What's happened to my X2?
    Last edited by TheMash; 04-19-2010 at 02:14 PM.
    Full Watercooled by Ybris | Lian Li PC-V1200+ | PSU Corsair HX650W | Intel C2D E6600 | Maximus Formula Bios 1403 | 2x2GB Corsair Dominator 1066 v1.2 | Sapphire HD4870x2 2GB @ Def.| 2x Maxtor 500GB SATA2 RAID0+1 | LCD 22" Asus VH226H, LCD 17" Samsung SM710N | Windows 7 Ultimate X64

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