Re: Linus' laptop and Num lock status

From: Helge Hafting
Date: Tue Feb 20 2007 - 09:00:36 EST

Krzysztof Halasa wrote:
Jan Engelhardt <jengelh@xxxxxxxxxxxxxxx> writes:

I checked, and looking at offset 0x497 seems to work fine on a couple of
systems with USB keyboards.
Probably just because legacy mode was enabled. Plus I wonder what 0x497 will
return when there is actually more than one USB keyboard connected at boot.

I bet all would share LED states. If you can use multiple keyboards
in legacy mode at all, of course.
I have used multiple keyboards, for a 2-user machine.

The bios interact with only one of the keyboards, and track LED state on that.
Other keyboard(s) become useful once the linux comes up with
its event interface. You then have one set of LEDS per keyboard.

Helge Hafting
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