From: ken s. <ken...@gm...> - 2006-07-03 18:08:50
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On 7/3/06, Dave Hylands <dhy...@gm...> wrote: > Hi Ben, > > On 7/3/06, Ben Firshman <be...@fi...> wrote: > > So, uh, what do I do? This dud serial console is the only access I > > have to the gumstix. > > So it seems that the default u-boot has '245 (which does the voltage > conversion) enabled, but the voltage regulators disabled. > > The voltage that you're seeing is due to leakage current. > > I'd try grabbing +5 for your serial port adapter from another source. That won't address the whole issue. The 3.3v <=> 5.0v level shifting on the Robostix is controlled by the Gumstix. Powering the RS232 converter still won't give access to the Gumstix console until http://www.gumstix.org/tikiwiki/tiki-index.php?page=Robostix-Uboot See: http://www.gumstix.org/tikiwiki/tiki-view_faq.php?faqId=14#q385 Regards, Ken |