[Gumstix-users] Overo Water not running

[spiglia2 <sp...@ny...>]

Dear users,

Need some assistance with an Overo on a custom expansion board ... not
running.  We're doing side-by-side checks between a Tobi and custom board,
to validate the board and uSD card.  A log file test on the Overo/Tobi tells
us that it's running in that configuration; plugged-on to the custom
expansion board, this log file is not written.  This is a redirection of
kernel messages normally written to volatile memory that is not written to
the SD.

Other observations:
* Overo's GREEN and BLUE LED's come up in identically to its install on
Tobi; this tells me that the TI pwr mng IC is probably happy.  

* Power and Gnd look fine.  No communicationsWe do not currently connect
to/use VBACKUP, NRESET, WAKEUP, POWER_ON or SYS_EN.  From of the posts, it
looks like these are not required.

* We've observed that the NRESET line is pulled-up to 1.8V and steady; i.e.,
Overo NOT resetting.

* No communications working ... USB Serial Console, USB Host, etc.

Any debug insights would be appreciated.

Steve 
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