Re: [iPAQ] Ipaq Pcmcia 2fast4you ?

Using stock familiar pre-03 kernels (with the fixed wvlan.o module) I had
no problems, even on the few occasions when I adjusted /proc/scale. The
wavelan card in question is one of the Lucent Orinoco gold 11M cards, both
in managed and ad-hoc mode.

On Tue, 17 Apr 2001, Theodore Tso did have cause to say:

> On Tue, Apr 17, 2001 at 04:06:28PM -0400, John Dorsey wrote:
> >
> > If it is genuinely necessary to slow down the core clock on the iPAQ
> > just to make PCMCIA devices work, then that indicates a hardware bug.
> > What's more likely is that the kernel is failing to set up the hardware
> > properly.
> >
>
> Well, I and one other person seem to have this happen to them. What I
> don't know is whether this might be a kernel problem (I'm using the
> kernel from the 0.4 Familiar distribution), or whether it's hardware
> problem with the ipaq H3650 I happen to have, in which case I should
> try to get it exchanged for a new one.
>
> For all of the people who reported that they were able to successfully
> use a WaveLan card --- what hardware platform and what version of the
> kernel were they using?
>
> > I haven't looked at the clock scaling driver, but it's worth stating
> > that any change in the core frequency _must_ be accompanied by a change
> > to the various fields in the MECR (card interface timing register). The
> > SA-1100 PCMCIA socket driver properly configures this register in an
> > implementation-independent manner, but as of the last time I touched it,
> > it contained no provision for scaling.
>
> I wonder if the iPAQ pcmcia hardware requires more time, and the
> reason why changing the core frequency helps is that there isn't a
> provision for scaling?
>
> - Ted
>
>
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