On Thu, 4 Jul 2019, King Beowulf wrote:

I know you now have a fix, but I didn't see in this thread if you tried
a full hard power reboot.

Ed,

That's because I briefly considered that and decided that almost all
peripheral issues on linux machines can be resolved without a reboot. It
ain't Windoze.

The old PS/2 connectors where never designed to be hot pluggable
(depending on motherboard implementation).

I wondered about this, too.

On some newer mobos, the PS/2 DIN is actually converted to USB internally
- and is thus hot pluggable. The USB-PS/2 DIN adaptors can muddy up this
as well. I've found also that the PS/2 DIN combo versions (for keyboard OR
mouse) often need a full power cycle.

All this is due to the OS (any species) getting the hardware info from
the BIOS instead of a clean pass through. If the BIOS don't see it,
neither will the OS.

In the BIOS there is also sometimes a setting for "plug and play OS". If
that is ON or YES, then the BIOS does no hardware detection and just
passes everything to the OS to detect.  I recommend turning this on for
any Linux OS.

Ah, good to know.

In any case, the front panel USB ports will do for now. I need to make time
to get a lot of hardware stuff finished, including transitioning from this
older 32-bit server/workstation to the new 64-bit server/workstation. Sigh.

Best regards,

Rich
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