Re: 7.5 NO hard drive?

On Sun, Apr 07, 2024 at 05:17:25PM +0200, Wolfgang Pfeiffer wrote:
>On Sun, Apr 07, 2024 at 12:03:21AM -0700, latinfo@vcn.bc.ca wrote:
>>>Hello
>>>
>>>i have 1 DELL Latitude E4300 that had OBSD 7.3 working correctly, but i
>>>decided to do a clean installation of 7.5 deleting everything on it with a
>>>live cd linux; then tested 7.5 and it says NO disk.
>>>
>>>After that i tested Linux, NetBSD, FreeBSD all them where installed
>>>without a problem; But, OBSD 7.3 7.4 7.5 said NO disk!
>>>
>>>[ ... ]
>
>Seems to be (not only) a DELL thing: Some time ago I tried an Openbsd
>installer on an Alienware computer, ~10 years old, which was sold by
>DELL: In UEFI, IIRC, I had to change sata mode from "raid" to "ahci"
>to let openbsd detect hard disks on that computer.
>
>Seems to an older issue:
>https://daemonforums.org/showthread.php?t=10228
>https://www.mail-archive.com/misc@openbsd.org/msg153583.html
>
>IIRC, Debian, Fedora, Windows installed without problems on that machine:
>at least in my case it might be a problem with a BIOS version too old for
>an openbsd install - not being sure ..

Found an article on dell.com titled:
"Recommended BIOS Settings for your Linux System"
that says:

"Linux does not natively support SATA Operation in RAID On mode as of
May 2022."

Dell later in the article recommends to switch on AHCI for SATA mode:
https://www.dell.com/support/kbdoc/en-us/000123462/recommended-bios-settings-for-your-linux-system
--
Wolfgang