RE: keyboard: Too many NACKs -- noisy kbd cable?

=?iso-8859-1?q?willy=20tarreau?= (wtarreau@yahoo.fr)
Mon, 10 Jan 2000 09:05:45 +0100 (CET)


Hi Brendan,

It's possible that your socket is a bit unsoldered
from
your motherboard. To test this, you should try to
tickle your keyboard plug while using it.

It's also possible that your keyboard controller is a
bit broken. For example, most 486 motherboards equiped
with an UMC8498 chipset have a poor I/O controller
which also replaces the 8042 and which behaves badly
with many standard keyboards. There are a few
keyboards
which work correctly with it.

I don't know if all the keyboards you tried were the
sames or of different makes, but if there are the
sames
this could definetely be a keyboard <-> controller
incompatibility.

Willy

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