What Ohm Value do you recommend for the 0603 resistor?
> Message: 2
> Date: Wed, 12 Aug 2009 18:34:46 -0700
> From: Dave Hylands <dhylands@...>
> Subject: Re: [Gumstix-users] RoboAudioStix Ethernet Card Combination
> To: "General mailing list for gumstix users."
> Content-Type: text/plain; charset=ISO-8859-1
> Hi Larry,
> On Wed, Aug 12, 2009 at 1:46 PM, Larry
> Schirmer<larrys@...> wrote:
>> I need assistance in trouble shooting a Verdex board, Ethernet Board and
>> RoboAudioStix combination.? A build root package is already on the
>> and I have no problem communicating to the RoboAudioStix through a
>> however if I remove the tweener and mount the Ethernet board it does not
>> come on line.? If I remove the processor from the RoboAudioStix and
>> the processor directly to the Ethernet Board everything comes up fine.? I
>> tried connecting to the Gumstix port on the Robostix and could not get
>> communication through it. Any Ideas what may be going on??
> When no tweener is connected, then the console goes through the
> GUMSTIX port on the Roboaudiostix.
> You'll need to do the "Pullup resistor" fix mentioned on this page:
> Otherwise, u-boot may interpret the voltage level on the RxD line as
> being a break, and drop into u-boot rather than continuing to boot to
> linux (it thinks you pressed a key).
> Adding the pullup resistor prevents that "false key" from happening,
> and the boot proceeds normally.
> If your Ethernet board also happens to have a Wifi module on it, then
> you'll also need to do the mod mentioned in this document:
> Dave Hylands
> Shuswap, BC, Canada