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06-06-2018

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Lenovo P710 PC bifurcation?

2019-07-05, 21:39 PM

I'm interested in purchasing either the Dell Ultra-Speed Drive Quad NVMe M.2 PCIe x16 Card (Adapter Only) or https://www.asus.com/Motherboard-Accessories/HYPER-M-2-X16-CARD-V2/

 

Would both be compatible with my Lenovo P710?

 

I'm not really a BiOS ninja and also don't want to introduce downtime to my server if I can help it, but if anyone has good experience here that'd be amazing. Thanks!

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Re: Lenovo P710 PC bifurcation?

2019-07-06, 3:40 AM

I need to double check the BIOS on an actual system, but I believe P710 has the option in BIOS to bifurcate the larger PCIe slots.  Obviously I don't have experience in using the cards you mentioned as we don't have them on hand, but you're correct in focusing in on the bifurcation option.  I'll check this when I'm back in the office next week.


Of course, you could consider adding the Lenovo Quad M.2 adapter as well.  Though not officially qualified on the P710 platform (it was introduced later with the PX20 series), you should still be able to get it to function OK.  And we should now be offering that as an official Lenovo Option part instead of having to purchase the FRU to get it.  I can get you the part number for that next week as well as I don't believe it's showing on the website just yet.




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Re: Lenovo P710 PC bifurcation?

2019-07-08, 14:46 PM

For whatever reason I can't currently locate a P710 system, but I was able to verify that P910 has the PCIe port bifurcation settings available.  So P710 should have these same settings as the BIOS versions are similar in that regard.

 

To change the bifurcation settings, you would need to go into BIOS setup --> Advanced --> IIO Configuration.  Where you go from here will depend on which slot(s) you're attempting to bifurcate.  If you're attempting to manipulate one of the black PCIe slots routed to CPU1, then you'll need to select "IIO0 Configuration".  Within the next menu that pops up, you should see pull down menus that allow you to change the bifurcation for the various slots attached to CPU1 (default for all is auto).

 

If you're attempting to manipulate the white PCIe x16 slot, then you'll need to select "IIO1 Configuration", and you should be able to change the pull down in the next menu for the white x16 slot.

 

The bifurcation options for the x16 slots should be x4/x4/x4/x4 , x8/x4/x4, x4/x4/x8,  x8/x8, and x16.  For the quad M.2 adapter you'll have to pick x4/x4/x4/x4.  That setting might work for the dual port adapter as well, but it will depend how that card is actually wired so you might have to play around with those settings to get it to work.




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  • Message 4 of 17

Re: Lenovo P710 PC bifurcation?

2019-07-09, 16:26 PM

The Option Kit PN for the Quad M.2 adapter card is 4XH0V09766.

 

I'm told that adapter just went live, so it might take another day or two to show up on the Lenovo Accessories site.




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Re: Lenovo P710 PC bifurcation?

2019-07-15, 4:58 AM

Can p710 support VROC? 

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Re: Lenovo P710 PC bifurcation?

2019-07-15, 13:59 PM

Unfortunately no.  VROC is only supported on the P920, P720, P520, and P520c platforms currently.  Bootable NVMe RAID is not supported on P710.  I beleive the only way you can support NVMe RAID on P710 would be by using a software RAID solution (such as the one built in to the Windows OS), and that would be suitable for data RAID only.  




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Re: Lenovo P710 PC bifurcation?

2019-07-15, 14:08 PM

I don't need bootable RAID, I just want fast NVME drives and to bifurcate my PCIE x 16 slots. I run a Linux box. 

 

I guess avoid VROC but The Dell Ultra-Speed Drive Quad NVME card or the Highpoint card should do fine? I still don't see the Lenovo quad card.

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  • Message 8 of 17

Re: Lenovo P710 PC bifurcation?

2019-07-15, 15:37 PM

I can't really say for sure with either of those cards as I've not physically tested either of them.  But if they are marketed as non-proprietary, I would think they should function just fine assumingthe slot gets bifurcated properly.

 

I'm checking into why the Lenovo Quad M.2 adapter isn't showing on the Smart Find site.  It was supposed to have gone live last week to the best of my knowledge.




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  • Message 9 of 17

Re: Lenovo P710 PC bifurcation?

2019-10-08, 14:04 PM

Good morning, psuturtle. How far down the ThinkStation P series family tree does PCI bifurcation go? Is it available on a P500 and/or P700?

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  • Message 10 of 17

Re: Lenovo P710 PC bifurcation?

2019-10-08, 16:48 PM

Yes, P500 and P700 should have support for PCIe port bifurcation.  I believe it's located under Advanced --> IIO Configuration --> IIO0 Configuration (or possibly IIO1 Configuration depending on the slot in question for P700).  From there you should have the choice to change each of the available slots from their default setting of "auto" to any of the supported bifurcated levels.




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