On Tue, Nov 21, 2000 at 05:05:47PM -0500, jason sodergren wrote:
>
> Hi, all.
>
> I've made a small patch to schedulers/i386/rtl_time.c in rtlinux-3.0pre8
> that allows use of the 8254's channel 1 instead of channel 2.
> Use of channel 1 is selected by means of a module parameter.
>
> This is useful to my project because I'm using a 486-class system
> that does not need channel 1 for DRAM refresh (it's based on the AMD
> Elan SC400). This frees up channel 2 for the usual role of driving
> the PC speaker.
Note that timer 1 is used for other things, particularly APM.
Using timer one on one of my machines works fine -- until I
put it to sleep, at which point it blows up. And I haven't
found a way to replace the original value.
dave...
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