Dell XPS 8940 SATA and NVMe disk controller not recognized
galtsev at kicp.uchicago.edu
Sun Apr 4 18:57:56 UTC 2021
> On Apr 3, 2021, at 2:37 PM, Barney Wolff <barney at databus.com> wrote:
> On Sat, Apr 03, 2021 at 02:25:30PM -0500, Karl Dunn wrote:
>> I have new Dell XPS 8940 that came with Windows 10 Home installed. I have
>> created two partitions for FreeBSD, one on its NMVe 256GB SSD, and one on
>> its WD 1TB HD.
>> For now, I have 12.2-RELEASE-p4 GENERIC on a USB memstick, so I can do
>> some limited testing.
>> FreeBSD 12.2 does not recognize the SATA/RAID controller, which I assume
>> is resposible (in Win10) for accising both drives.
>> The relevant pcoconf line for the controlleris:
>> none7 at pci0:0:23:0: class=0x010400 card=0x09c51028 chip=0x06d68086 rev=0x00 hdr=0x00
>> vendor = 'Intel Corporation'
>> class = mass storage
>> subclass = RAID
> See if the BIOS offers a choice of configuring the controller as SATA instead of RAID. That worked for me on an Inspiron 1180. (It also made W10 unbootable - apparently each OS occupies its own universe.)
That is what I do on laptops that come with Intel SATA chip configured for [fake] RAID “operation": I switch in BIOS/UEFI away from RAID to AHSI or IDE. But before doing that if you still want installed MS Windows to boot after switch, do this:
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