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203 Posts

11-17-2016

United States of America

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  • Message 11 of 17

Re: Lenovo P710 PC bifurcation?

2019-10-09, 18:57 PM

Thank you, Sir!

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2 Posts

06-09-2020

United States of America

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  • Message 12 of 17

Re:Lenovo P710 PC bifurcation?

2020-06-09, 23:30 PM

@ psuturtle wrote:
 

 

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.

 

Hi,

 

I am following up on this thread.  I purchased a pair of P520c workstations for the purpose of installing a Quad M.2 SSD PCI card and thus requiring PCI port bifurcation.  Since its a Intel C422 chipset and has a Xeon-W processor, bifurcation should be possible but I only see 1 of the 4 SSDs and am unable to see any BIOS option that would enable bifurcation.  Is there are guidance you can provide before I return the machines.

 

Thank you for your help.

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5254 Posts

02-22-2010

United States of America

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  • Message 13 of 17

Re:Lenovo P710 PC bifurcation?

2020-06-11, 3:42 AM

We'll need to dig into this a little more.  I know the P920, P720, and P520 platforms were supposed to have BIOS updates that would allow for manual bifurcation in the instance where a device that required it was installed.  I'm not certain if this change made it into P520c BIOS, however.  




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2 Posts

06-09-2020

United States of America

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  • Message 14 of 17

Re:Lenovo P710 PC bifurcation?

2020-06-11, 4:58 AM

I appreciate you looking into it.  Thank you for your time.

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5254 Posts

02-22-2010

United States of America

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  • Message 15 of 17

Re:Lenovo P710 PC bifurcation?

2020-09-01, 19:42 PM

@cybertube - I have been told that P520c BIOS 40A will finally have the bifurcation option listed in BIOS setup.  

 

One item to note with this feature is that BIOS will only support booting from the first device in the boot menu for the bifurcated x16 slot.  So if the device you're using has 2-4 drives installed on it, only the first one will show up in BIOS as a bootable device.  This is actually the same design used in P520/P720/P920 as well.  Hope this helps you out!




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3 Posts

09-01-2020

Slovakia

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  • Message 16 of 17

Re:Lenovo P710 PC bifurcation?

2020-09-01, 22:27 PM

hello

 

i have still problem, i dont see in bios saparate pcie /x4x4x4x4 or x8x8/, why?

 

Lenovo p710 2x xeon

 

thanks 

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5254 Posts

02-22-2010

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  • Message 17 of 17

Re:Lenovo P710 PC bifurcation?

2020-09-02, 20:59 PM

The bifurcation option is available in P710 BIOS.  Make sure your BIOS is up to the latest supported level, and then follow the info on my last post on page 1 of this thread.  




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