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Date:      Wed, 26 Sep 2018 22:04:10 +0200
From:      michael@fuckner.net
To:        FreeBSD Hackers <freebsd-hackers@freebsd.org>, Craig Leres <leres@freebsd.org>
Subject:   Re: Supermicro AOC-SLG3-2M2 dual M.2 card only identifies one drive
Message-ID:  <20e93169-d3b3-469f-8860-81b3c4d6b09c.maildroid@localhost>
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References:  <fb7d85ee-217d-e8d3-6ceb-00d0655ed2a4@freebsd.org>

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Subject: Re: Supermicro AOC-SLG3-2M2 dual M.2 card only identifies one drive
To: michael@fuckner.net, FreeBSD Hackers <freebsd-hackers@freebsd.org>
References: <fb7d85ee-217d-e8d3-6ceb-00d0655ed2a4@freebsd.org>
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From: Craig Leres <leres@freebsd.org>
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Date: Wed, 26 Sep 2018 20:30:41 -0700
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On 9/26/18 11:04 AM, michael@fuckner.net wrote:
> Please have a look in the bios to Change the Slot from x8 to x4+x4

Perfect, thanks!

But also I see there is a linux driver available for download from the 
Supermicro website. Is it possible to make driver changes and talk to 
both nvme disks without bifurcating a pci-e slot?

For future reference the knob is under:

     Advanced -> PCIe/PCI/PnP -> CPU SLOT{1,6} PCI-e ... bifurcation

I had to do testing with a different motherboard (X10DRW-i) and even 
after updating the bios wasn't able to find the magic option to boot 
from a nvme. The manual says:

     change the Device Option Rom Configure "UEFI mode" from Legacy

but this didn't give me any nvme drives to configure to boot from.

		Craig



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