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Recent content by heb1001

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    PCIE Bifurcation

    Just caught up with the thread after a bit of a break. Seems there are a number of people with this working now and as I understand it there are two options for PCIe gen 3 support: 1) Bifurcation with ameri-rack ARC1-PELY423-C5V3 splitter, (using 3.64L bios for asrock board). This gives 1x16...
  2. H

    PCIE Bifurcation

    It could maybe be interference from one of the GPUs picked up in the riser ribbon cable you are using. Just a guess.
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    PCIE Bifurcation

    No need. It's only the SMBUS connections I'm not sure about and it will be easy enough to try out both possible implementations and see which works. It may all be documented anyway, I haven't even tried looking yet. I've been thinking about the mechanical form factor and I think I'd want to...
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    PCIE Bifurcation

    Ameri-rack didn't answer my email. I'm going to phone them. If they won't sell me one I may try to get some made. It looks borderline doable with the skills I have if I get lucky with the signal integrity. If it doesn't work first time though I will never be able to find out why as I don't...
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    PCIE Bifurcation

    You could use a PLX splitter for that I guess. It's a "3.3V, 100MHz Differential HCSL Clock Buffer". Data sheet is here: Search Results There's an updated version of the chip which is PCIe 3 compliant: Search Results Thanks.
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    PCIE Bifurcation

    2 GPUs is the current plan but I guess in the future I might want 1 and something else perhaps. Is there a chip to duplicate the reference clock signal on the ameri-rack splitter? I could probably get a few made if I could work out the wiring diagram. I visited the Shanghai electronics mall...
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    PCIE Bifurcation

    Yes, I want two single slot cards in the space of one dual slot card but they will have to be a bit higher up to fit the riser between the bottom of the cards and the motherboard. I think the Ameri-rack riser can do this if you bend the ribbon cable round. I'm looking for any solution like...
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    PCIE Bifurcation

    Hmm. I think this might have been my only option... ...since the supermicro ones won't fit. Is there any other solution which will get me two cards into the space of a dual slot card with a bit of extra height?
  9. H

    PCIE Bifurcation

    Hi folks, what a wonderful thread this is. Just registered to ask a few questions: 1) I have read the entire thread but I'm still a bit confused about which splitters work. Is it true that the only splitter that is confirmed to work for PCIe Gen 3 devices is the Ameri-rack one? 2) I have the...
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