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Another Tech Inferno Fan

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Posts posted by Another Tech Inferno Fan

  1. Any card higher than a GTS 450 will work if you are using the internal monitor.

     

    See if you can get a GTX 560Ti for cheap. It was very popular when it was released 5/6 years ago, so it should be fairly easy to get one for $50. Maybe even less.

  2. 1. The EXP GDC comes with an 8-pin to dual 6-pin. Use that to power the 1060.

    2. PCIe is backwards-compatible. The 1060 will work. It will just be slow.

     

    Considering you're on PCIe x1.1, I have a hunch there won't even be any performance benefit going from the 750 to the 1060. It may be wise not to bother with changing the card at all.
     

    3. Read the geforce.com specifications for the TDP for the 1060.

  3. On 10/28/2016 at 10:05 PM, RKelley said:

    From what I have read, the 6-pin pulls 75W and the 8-pin pulls 150W

     

    Irrelevant.

     

    Just because a connector is rated for a certain power doesn't mean it will utilise it.

     

    Go find the actual TDP of the specific card itself.

     

    On 10/28/2016 at 10:05 PM, RKelley said:

     If so, is there an external "brick" I can use to power this setup?

     

    You might be able to get away with using a single Dell DA-2 if you're willing to undervolt/underclock the card to lower its power requirements.

     

    Otherwise, you'll have to strap two DA-2's together - At which point it might just be easier to use a regular ATX PSU.

     

    I managed to power a 244W GTX580 using a 216W 12V rail after undervolting it.

  4. Lenovo/IBM Thinkpads come with several battery options for each particular model.

     

    There is usually the 3/4cell battery that takes up just a small amount of space.

    Then there would be a medium 6cell battery that either has a protrusion out the back or increases the height of the machine.

    Then there would be a large 9/12cell one that has a huge protrustion out the back.

     

     

    There are also 3cell ultrabay batteries that go into the ODD slot, for some models.

     

    You could DIY a massive battery pack yourself if you could build a physical case for it, and use control circuitry from the stock battery pack. Similar to re-celling, but adding more cells.

  5. Hate to double-post, but in light of new information I feel this is warranted.

     

    I was playing TOXIKK and I noticed that bus utilisation consistently was above 67%. Sometimes as high as 96%. I managed to reproduce this using MSI Kombustor's Furry Donut stress test.

     

    c994b5de68.png

     

    UTIL, % shows core utilisation, BUS, % shows PCIe bus utilisation.

     

    From this I think I can conclude that the PCIe x1.2 interface is not the performance-limiting factor in my eGPU config, and that Optimus doesn't in fact use an entire 33-40% of the PCIe x1.2 interface's bandwidth.

     

    What of you and your GTX 1060, OP? What is your bus utilisation figure under Furmark?

  6. 18 hours ago, DaCM said:

    the utilisation reading never goes above 60%, even when it is clearly the bottleneck.

     

    This is happening to me as well - The bus utilisation never goes beyond 65% in any program that uses Optimus. I figured this was coincidence that my 580 never used anything more than 65%, and that a faster card that yielded more performance would utilise more bandwidth. I concluded this based on the fact that the 580 would consistently show 100% GPU core utilisation within Afterburner during such loads, though I've learned not to trust even that.

     

    There desperately needs to be someone with a massive collection of video cards and can benchmark every one of them on x1.2Opt to see which cards aren't held back by bandwidth, and what the bandwidth requirement is to get the ideal performance out of each card.

     

    I'd do the grunt work of all that myself if I had the resources.

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