Re: Use of floppy disks and parallel ATA on amd64

On Mon, Oct 14, 2024 at 02:45:34PM -0400, Thor Lancelot Simon wrote:
> I would like to remove ISA floppy disk support (the ACPI attachment for
> 'fdc'; the ISA attachment is already commented out) from amd64 GENERIC.
> 
> I would also like to disable support for old parallel ATA drives (those
> not supporting 48-bit LBA mode, and thus limited to 128K -1 block transfers).
> 
> I'd like to do this to allow us to increase MAXPHYS to 128K or more in amd64
> GENERIC, improving I/O throughput.
> 
> If anyone's using these devices on amd64 and is not comfortable building a
> custom kernel, could you please speak up?

The CF slot also uses the PATA interface on industrial motherboards.
There are similar threads about agp on FreeBSD:
https://lists.freebsd.org/archives/freebsd-stable/2024-September/002362.html
Don't know if this will happen on NetBSD.

Might moving these obsolete devices into something like GENERIC_LEGACY
be an option?

-rxg