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Complex EVGA HydroCopper GTX 780 SLI and AMD W8000 FirePro card PCIe arrangment on a ASUS Rampage IV Extreme

post #1 of 18
Thread Starter 
Hello, everyone! I am once again in need of help to verify/clarify the configuration of my current proposed build in progress. I have a rather odd build because I am in need of a high end workstation card and I also game a good bit. So, my build I am currently piecing together has an AMD FirePro W8000 workstation card alongside two EVGA HydroCopper GTX 780s. I am trying to find the best PCIe configuration with my motherboard for my computing and gaming needs.


My idea for this arrangement so far is in the picture below which shows my currently planned placement of all the PCIe cards.




This leaves me with two concerns:


Concern 1:
My first concern is that with this motherboard which is the ASUS Rampage IV Extreme with the way I will have it configured (Please view the link below to see the complex setup). Will I be able to get PCIe x16 performance for my AMD FirePro W8000 when booting into my "Work" SSD/Partition. (Once again, you won't know what I am referring to without viewing the small thread below)


Harmony between AMD FirePro W8000 and NVIDIA GTX 780 Thread


Concern 2:
Now my last concern is that with the EVGA HydroCopper GTX 780s in PCIe slots 1 and 6 will the board allow them to operate in SLI? I am aware this board is designed to hand Quad-SLI/Crossfire so my guess is that it would work, but I am not sure. It would be nice to know if I have to use slots 1 and 4 or not, since I want to use slots 1 and 6 for SLI. I am fine with the 780s being in SLI at x16 and x8 as long as they work together. Also, please view the last image in this post and let me know if that is correct. I know the performance difference is not marginal to using a optimal x16/x16 setup, escpecially since I want my AMD FirePro W8000 to run at x16 if I can facilitate it.



Some reference images:







I appreciate any help or insight to my current questions!
Edited by Unlox - 8/16/13 at 12:24am
post #2 of 18
Thread Starter 
Come on guys I genuinely need help here, don't let this thread get buried.
post #3 of 18
I hope I'm not wrong but I'll try and help a bit.

Concern 1: I think you should get full 16x speeds on that card, though I think all you would need to do is disable the PCI slot switches on the board itself when you want to boot into that partition (might be easier then device manager method). So, for instance disable slots 1 and 4 (the 780s) and your AMD card should get full speeds, even while the capture card is occupying the 2nd slot.

Though if you need the card in the 1st slot in order to boot (believe that link you included mentioned about that), so long as you disable the 4th slot it should work. 16x (780) , 8x (capture card), 16x (AMD FirePro).


Concern 2: Yes, SLI will work even if you use slots 1 and 6 like you want to. Like I said previously if you want to use the PCI disable slots switches, you could disable the 3rd for your AMD card while in the gaming partition.
post #4 of 18
Thread Starter 
Quote:
Originally Posted by Shogon View Post

I hope I'm not wrong but I'll try and help a bit.

Concern 1: I think you should get full 16x speeds on that card, though I think all you would need to do is disable the PCI slot switches on the board itself when you want to boot into that partition (might be easier then device manager method). So, for instance disable slots 1 and 4 (the 780s) and your AMD card should get full speeds, even while the capture card is occupying the 2nd slot.

Though if you need the card in the 1st slot in order to boot (believe that link you included mentioned about that), so long as you disable the 4th slot it should work. 16x (780) , 8x (capture card), 16x (AMD FirePro).


Concern 2: Yes, SLI will work even if you use slots 1 and 6 like you want to. Like I said previously if you want to use the PCI disable slots switches, you could disable the 3rd for your AMD card while in the gaming partition.


If I disabled the PCI slots in the UEFI BIOS, can I set a profile for each OS to use a specific PCI slot setting or will I have to manually disable/enable the slots every time I want to swap over? I appreciate the help a bunch!
post #5 of 18
It's not in the UEFI bios, the switches to disable the slots are actually on the board itself. Just below the Start and reset buttons, above the 24 pin motherboard cable.

I believe you will have to do this manually, as in open the case side panel and switch it. A pain in the butt, but it's amazing having this ability to disable PCI slots on the fly.

I'm not sure if you could create a profile or something that would disable/re-enable certain slots during certain partitions, guess you can say I'm extremely simple or just don't know that much haha.
post #6 of 18
Thread Starter 
Quote:
Originally Posted by Shogon View Post

It's not in the UEFI bios, the switches to disable the slots are actually on the board itself. Just below the Start and reset buttons, above the 24 pin motherboard cable.

I believe you will have to do this manually, as in open the case side panel and switch it. A pain in the butt, but it's amazing having this ability to disable PCI slots on the fly.

I'm not sure if you could create a profile or something that would disable/re-enable certain slots during certain partitions, guess you can say I'm extremely simple or just don't know that much haha.

Haha, nah man you know your stuff. I forgot about those switches to be honest, I appreciate for equipping me with one option already as I wasn't sure of what to really try first. Hopefully, by running two separate SSDs with separate OS installs I can just get it to work with disabling the opposite cards on each SSD. I appreciate you replying to my post though mate, props to you! thumb.gif
post #7 of 18
No worries mate, I hope you get your bad ass PC setup working the way you want it to thumb.gif

With 2 separate SSDs you'll likely make life easier on yourself as well biggrin.gif vs. the dual boot method.
post #8 of 18
Thread Starter 
Haha, hopefully so! I just wanted to hear someone else throw their advice in so I wasn't missing something, so I feel a better now that this should go off without a problem! biggrin.gif
post #9 of 18
If you get any issues post back here and I'll try to help, and if you succeed post anyways biggrin.gif Not every day you see workstation projects like the one thumb.gif
post #10 of 18
Thread Starter 
Quote:
Originally Posted by Shogon View Post

If you get any issues post back here and I'll try to help, and if you succeed post anyways biggrin.gif Not every day you see workstation projects like the one thumb.gif

Haha, I definitely will! If you want you can check my progress in my thread [Build Log] [TJ11 Case Mod] Project Dream Big
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