> > I'm running kernel 2.4.19pre10 on an embedded x86ish (AMD
> ELAN) board using
> > a CMD USB-673B controller. I am able to connect and
> transfter data with
> > the modem, but it resets (disconnect/reconnect) the device
> sporadically (it
> > seems to be related to how heavily I'm thrashing the modem).
> One thing that you might want to check is how much power it
> is sucking. ACM
> modems are often bus-powered, and the current draw is pretty
> ugly (maybe
> 400mA, steady state). On my laptop, I get continuous
> plug/unplug cycles with
> the ACM modem.
>
> What are the voltage rails on your device doing?
>
We noticed a fairly big drop in voltage when we power up the device, but
after that it seems to be a solid 4.9 +/- 0.1 volts.
We'll try running it through a powered hub, and see if anything's different
Simon
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