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Thread: DIY eGPU experiences [version 2.0]

      
   
  1. #651
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    This looks very interesting:
    AnandTech - Lenovo IdeaPad Y400/Y500 Gaming Notebooks (with SLI!)

    I'd guess they've opened up at least an x4 PCI-E in that Ultrabay! Pretty much we only need to do a cable!

    dsc_0045_575px.jpg

  2. #652
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    Quote Originally Posted by Omnius View Post
    Hi guys, been reading through this thread and the previous one to decide on my setup and share the experience.
    First off, a huge thanks to Nando4 for putting together all the information it has been a massive help in understanding what I need to do.

    I've purchased a PE4L v2.1b EC2C off redtrontech, minus the SWEX add-on, thought I'd bought the full kit and panicked for a moment before realizing I could just either do the paper clip trick or solder a switch, shaved $10 or so off the price so no real loss.

    I've yet to purchase a GPU however, I've noticed that a 560 Ti seems to be the most popular one and have been scouring eBay for some deals but would like to know any recommendations for the following spec:

    Lenovo X220
    i7-2640m
    8GB RAM
    Win 7 x64

    I've also found an old ammo box similar to this: Attachment 5563
    that I thought would make for an excellent enclosure assuming that I can get a PSU small enough.
    Follow up post, went ahead and got a 560ti and a 400W PSU. Works like a charm. Still need to construct the enclosure however.

  3. #653
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    Quote Originally Posted by zsero View Post
    This looks very interesting:
    AnandTech - Lenovo IdeaPad Y400/Y500 Gaming Notebooks (with SLI!)

    I'd guess they've opened up at least an x4 PCI-E in that Ultrabay! Pretty much we only need to do a cable!

    Click image for larger version. 

Name:	DSC_0045_575px.jpg 
Views:	27 
Size:	56.0 KB 
ID:	5733
    GT650M 2GB GDD5 SLI. It pretty cheap too. Y500 selling like hot cakes here in Malaysia.

  4. #654
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    Hi nando4,

    So if I got this right, that means that you can pair a PE4H with a PM060a for PCI-e 2.0 performance, thus Opt 1.2?

    I'm in the process of working out with HIT an exchange for the PE4H+PM3N (just received it in the mail yesterday) for a PE4L+PM060a**. Is there confirmation/proof anywhere else about this? If this is the case, it would simply mine and HIT's effort in my situation. The guys at HIT have been more than accommodating with me, and I'm over the moon with their support so far. Granted they are a little bit slow to respond via email, but that's not a concern for me.

    Hopefully this great news about the PE4H is true. That would be really great to be able to just return the PM3N board in exchange for the PM060a (if HIT carries just the PM060a boards that aren't soldered to the PE4x).

    ** No confirmation yet from HIT, but my salesperson has said that they will try to work out an exchange such that I can return my entire PE4H+PM3N for credit towards the PE4L+PM060a and receive any left over funds as a refund (since the PE4L is cheaper than the PE4H).

    Quote Originally Posted by nando4 View Post
    PE4H 2.4 supports pci-e 2.0

    Good news for PE4H 2.4 owners. According to a new update at PE4H (PCIe passive adapter ver2.4) where they've soldered the EC2C/PM3N end but left the other end detachable, PE4H 2.4 owners can now get pci-e 2.0 performance if attached to expresscard/mPCIe 2.0. PE4H 2.4 has a nice and study base so was my favorite as an open, free standing device.





  5. The Following User Says Thank You to daver160 For This Useful Post:

    nando4 (01-09-2013)

  6. #655
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    Quote Originally Posted by nando4 View Post
    This is great news. Other test I'd ask you to do is run the Resident Evil 5 benchmark in x1 and x1E mode. It showed +20% improvement with x1E mode when using a HD5750. REF: x1E tweak. If the result is the same then yes, AMD have fixed the issue and HD7xxx is elevated in stature for older systems.
    Here are tests for RE5, as before are same for x1 and x1E.

    Rest of tests will follow...
    Last edited by damir001; 01-09-2013 at 02:10 PM. Reason: corrected link

  7. #656
    Senior Member Khenglish's Avatar
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    Quote Originally Posted by damir001 View Post
    Here are tests for RE5, as before are same for x1 and x1E.

    Rest of tests will follow...
    Put a hold on the additional testing. Something is very wrong with your setup. Your performance is less than 1/4th of what is expected of your hardware on x1.1 with the old half duplex problem. Are you dragging the RE5 window over to the internal LCD? If so please don't, since there are many more results to compare against when using an external monitor.

    Also the full variable test is usually run.
    Clevo P150EM
    3920xm @ 4318MHz, 1.331V, unlimited TDP
    7970m @ 1075/1575 fully stable. 1.1V core/1.595V memory
    330W m18x PSU

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    damir001 (01-11-2013)

  9. #657
    Kopi Lowak cafe nando4's Avatar
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    Quote Originally Posted by damir001 View Post
    Here are tests for RE5, as before are same for x1 and x1E.

    Rest of tests will follow...
    25.2 is a bit low for a P8400-2.26 + HD7770. I got 30.8 with a T6600-2.2 + HD5750@x1E here. Techpower says a HD5750 gives 68% the performance of a HD7770 here so you should be getting quite a bit better than that.

    Please ensure you disable the AMD sound so it uses the internal speaker instead. That gives maximum bandwidth for video rendering. Per Khenglish's comments, can you run the variable dx9 benchmark? That's were we can see how it fares on the leaderboard.
    Last edited by nando4; 01-09-2013 at 10:37 PM.
    DIY eGPU eGPU Implementations: TB, EC, mPCIe 12" HP 2570P with i7-3740QM@3.87Ghz HP C2D DualIDA BIOS

    14" Dell Latitude E6440 i7-4800MQ 3.7Ghz HD4600 1600x900 8GB 500GB SSHD + ODD + BCM4352AC WWAN Win7/64 + DIY eGPU (PE4C 2.1) weapon of choice:

    GTX770@4Gbps+c-EC2 3dmkGPU:13-fs/11/06=7487/9842/30508
    R9 280X@4Gbps-EC2    3dmkGPU:13-fs/11/06=7314/9721/28904

    13" Macbook Pro i5-3210M 3.1 HD4000 8GB 500GB Win7/64 +GTX660Ti@8Gbps-TB1 (TH05) 3dmkGPU:11/06=7810/18569

    Which is better? E6440 is 2.5+ times better at 70% the cost of the MBP making it 3.5+ times better value => MBP had to go

  10. The Following User Says Thank You to nando4 For This Useful Post:

    damir001 (01-11-2013)

  11. #658
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    Quote Originally Posted by Khenglish View Post
    Put a hold on the additional testing. Something is very wrong with your setup. Your performance is less than 1/4th of what is expected of your hardware on x1.1 with the old half duplex problem. Are you dragging the RE5 window over to the internal LCD? If so please don't, since there are many more results to compare against when using an external monitor.

    Also the full variable test is usually run.
    All tests where run fullscreen (didn't see "window" option in RE5 benchmark option), not on docking bay and laptop lid closed. Getting screenshoot on dx10 results gave me blank screen in fullscreen and [PrintScrn] so i had to play with [Alt+TAB] and [PrintScrn] to get results.

    I will re-check whole setup including disablement of AMD sound on eGPU and redo tests but i do have questions:
    1. Are variable RE5 tests suppose to be run in full screen or window mode?
    2. Do i need to verify in windows is x1E mode really engaged, if so how do i do it?
    3. Regarding 1/4 expected performance, is there anything in device manager you suggest i re-check except disablement of AMD sound?

    Cheers,
    D

  12. #659
    Kopi Lowak cafe nando4's Avatar
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    Quote Originally Posted by damir001 View Post
    All tests where run fullscreen (didn't see "window" option in RE5 benchmark option), not on docking bay and laptop lid closed. Getting screenshoot on dx10 results gave me blank screen in fullscreen and [PrintScrn] so i had to play with [Alt+TAB] and [PrintScrn] to get results.

    I will re-check whole setup including disablement of AMD sound on eGPU and redo tests but i do have questions:
    1. Are variable RE5 tests suppose to be run in full screen or window mode?
    2. Do i need to verify in windows is x1E mode really engaged, if so how do i do it?
    3. Regarding 1/4 expected performance, is there anything in device manager you suggest i re-check except disablement of AMD sound?

    Cheers,
    D
    Fullscreen mode, disable the AMD audio, run RE5 var 1280x800 (or 768 if no 800). Your fixed results were a bit lower than expected given a T6600-2.2 with HD5750@x1E had a better result. Maybe that will fix it? If you've changed the port to be x2 mode in Setup 1.x prior to chainloading, that is all that is required. You could use AIDA-64, looking at the southbridge to confirm if it's still in x2 mode if really want to be doubley sure.
    DIY eGPU eGPU Implementations: TB, EC, mPCIe 12" HP 2570P with i7-3740QM@3.87Ghz HP C2D DualIDA BIOS

    14" Dell Latitude E6440 i7-4800MQ 3.7Ghz HD4600 1600x900 8GB 500GB SSHD + ODD + BCM4352AC WWAN Win7/64 + DIY eGPU (PE4C 2.1) weapon of choice:

    GTX770@4Gbps+c-EC2 3dmkGPU:13-fs/11/06=7487/9842/30508
    R9 280X@4Gbps-EC2    3dmkGPU:13-fs/11/06=7314/9721/28904

    13" Macbook Pro i5-3210M 3.1 HD4000 8GB 500GB Win7/64 +GTX660Ti@8Gbps-TB1 (TH05) 3dmkGPU:11/06=7810/18569

    Which is better? E6440 is 2.5+ times better at 70% the cost of the MBP making it 3.5+ times better value => MBP had to go

  13. #660
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    Hey Nando, I was looking at your recent GTX660 benchmarks and comparing them to last year's GTX560Ti's benchmarks. I was focusing on dx9 (since I'm forced to winXP) and I've noticed that according to your tests it appears that the new GTX6xx series is more bandwidth-limited than the GTX5xx series. Infact, if tested on a desktop the new GTX660 is 20% faster in dx9 than the GTX560Ti, while with an eGPU internal lcd setup it's equal if not slower (in RE5 is noticeably slower).
    Does this mean that for eGPU purposes in dx9 mode, x1.2opt, and intenal lcd I'd be better with a GTX5xx gpu? Am I wrong in my assumptions?
    Thanks

    Edit: my notebook has a sandy bridge pentium cpu (b960) and no dedicated graphics. Will Optimus engage with the integrated HDgraphics (it's very similar to the HD2000, just with a few minor features deactivated)??
    Last edited by noric; 01-10-2013 at 08:35 AM.

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