[Open-graphics] [urgent] OGD1, need help with gumstix, quickly

[Farhan Mohamed Ali]

Is this what you are looking for?
http://docwiki.gumstix.org/Gumstix_motherboard_I/O

Timothy Normand Miller wrote:
> After watching the discussion on the list, we've come up with some
> ideas as to what we'd like to do with those extra 60 signals.
> 
> Our plan B is to put on this $5 TV-in chip that Howard found.  The
> ADV7401 and ADV7403 are nice, but we can't get open documentation on
> them, so they're out.  We'll go with plan B if we cannot get the
> information we need on Gumstix (plan A) quickly enough.
> 
> We've taken a look at some of the stuff at gumstix.com, and we have
> found that, due to the placement of the connector on OGD1, some boards
> will work, and some won't, but the key is that we and others can
> design more gumstix boards that will work with OGD1.  This leaves open
> opportunity for video capture, ethernet, audio, perfboard/PTH, etc.
> 
> We obviously have enough signal lines to support the gumstix 60-pin
> connector.  Unfortunately, there are more interesting devices that
> require the 92-pin connector.
> 
> So, first, how many of those 92 are actually digital signals (as
> opposed to power and ground)?  If we cannot support them all, how many
> can we sacrifice and still remain reasonably compliant?  Like, can we
> sacrifice some address lines?  Now, with those sacrificed, what do we
> need to do with them?  Allowing them to float is likely to be very
> bad, so we need to know if we have to tie them to 0 or 1.
> 
> Or should we just go with the 60-pin and lose out things like ethernet?
> 
> We've poked around on the gumstix site, but unfortunately, we have not
> been able to find the pinout.  Due to time constraints, we need help
> with this.  In short, this has the greatest chance of getting done if
> some people can basically just hand us the information we need on
> this.
> 
> Which gender connector needs to go on OGD1?  Male or female?  We also
> need information on mounting holes, if there are any.
> 
> One option we have is to use the gumstix connector but in a way that
> is not compatible with gumstix.  Then we have to design all our own
> daughter boards.  Opinions?
> 
> Finally, there are 5 unused analog lines (R, G, B, H, V) in the DVI-I
> connector near where the gumstix connector would go.  Are there any
> no-connect lines in the gumstix connector we can route those to so
> that, for instance, a video capture board would be entirely
> self-contained?
> 
> We're burning time here.  Our artwork guy is about ready to get
> started, so let's resolve this quickly.
> 
> Thanks.
> 
> 
>