SiS630 Software Watchdog Timer

[Eric W. Biederman]

Steve Gehlbach <steve at nexpath.com> writes:

> Eric W. Biederman wrote:
> 
> > Error.  Communications failure.
> > I meant this situation is exactly what it is designed for.
> 
> Sorry.  I misunderstood.
> 
> >
> >>I am also assuming the Via C3 has the variable MTRRs, that may not be a
> correct
> 
> >>assumption.  The Intel book says P6 family.
> > Very good question what does the C3 have?  I recall the strange clones
> > not following intels variable mtrrs.
> >
> 
> Hard to get this out of Via, they don't do datasheets for ordinary folks, but
> posts on the newsgroups seem to indicate p6 compatibility in some versions
> anyway:
> 
>  From a post in linux.kernel:
> cat /proc/cpuinfo:
> 
> processor       : 0
> vendor_id       : CentaurHauls
> cpu family      : 6
> model           : 8
> model name      : VIA C3 Ezra
> stepping        : 9
> cpu MHz         : 999.910
> cache size      : 64 KB
> fdiv_bug        : no
> hlt_bug         : no
> f00f_bug        : no
> coma_bug        : no
> fpu             : yes
> fpu_exception   : yes
> cpuid level     : 1
> wp              : yes
> flags           : fpu de tsc msr cx8 mtrr pge mmx 3dnow
> bogomips        : 1989.22
> 
> I'll try the XIP_ROM_SIZE etc tomorrow.

So it looks like they have the normal mtrrs.

For the strange cpus they should be supported in the linux kernel and have
code behind /proc/mtrr.

Eric