ATTO UL5D Ultra320 SCSI Adapter - Help!

Frank Leonhardt freebsd-doc at
Fri Jun 15 09:41:50 UTC 2018

On 2018-06-15 10:27, Frank Leonhardt wrote:
> I have an UW SCSI tape drive. I have an ATTO UL5D Ultra320 HBA from my
> junk box. I have a cable.
> The good news is that the BIOS on the HBA sees the tape drive, no 
> problem.
> The bad news is that FreeBSD doesn't see the ATTO HBA.
> I probably need to compile in some driver or other, but it's not
> obvious to me which one. Can anyone help me out?
> Thanks, Frank.

Further to this, I believe this uses the LSI 53c1030 chipset, which is 
supported by the MPI driver on OpenBSD and MPT driver on FreeBSD, which 
is in the default kernel, but if I'm right then I'm still missing some 
vital point!

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