GTA02 Power Glitch Reason Found

Neng-Yu Tu (Tony Tu) tony at openmoko.com
Tue Feb 5 16:42:35 CET 2008


Andy-

Attachment is another re-work way suggested by hardware people. Seems we 
don't have sacrifice anything.

Tony Tu

Andy Green ??:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
> 
> Somebody in the thread at some point said:
> 
>>> Sure -- but care is needed below (for other components) and above (for
>>> the can), some insulating tape will probably do it.
>> I was actually thinking of rearranging the placement of chips on the
>> PCB. I don't think the factory likes going into the third dimension
>> for SMT :-) But I can see on your picture that it's a bit more
>> complicated. Time to get the Gerbers ...
> 
> In case there isn't a free ride to be had in 2D, it can be done in 3D :-)
> 
>>> With this -- random standby problems plaguing me for days are all gone.
>> Kewl. This is a great day.
> 
> I didn't see that failure to fork JFFS2 garbage collector error since
> the rework either... after about a dozen reboots... before it was 50:50
> go / no-go... no idea why that should be affected.
> 
> I tried suspend / resume hoping the magic rubbed off on that but it's
> completely broken again.... oh well at least I have a stable platform to
> investigate it on now.
> 
> - -Andy
> -----BEGIN PGP SIGNATURE-----
> Version: GnuPG v1.4.7 (GNU/Linux)
> Comment: Using GnuPG with Fedora - http://enigmail.mozdev.org
> 
> iD8DBQFHqGYcOjLpvpq7dMoRAuRvAJ4je0Y6+tDwWf+tVzIO3wXMOQkWVQCffSYR
> THt2fjPy03treju8md9b5NI=
> =J9Po
> -----END PGP SIGNATURE-----

-------------- next part --------------
A non-text attachment was scrubbed...
Name: after_rework.jpg
Type: image/jpeg
Size: 408016 bytes
Desc: not available
Url : http://lists.openmoko.org/pipermail/openmoko-kernel/attachments/20080205/195e11d0/attachment.jpg 
-------------- next part --------------
A non-text attachment was scrubbed...
Name: before_rework.jpg
Type: image/jpeg
Size: 429228 bytes
Desc: not available
Url : http://lists.openmoko.org/pipermail/openmoko-kernel/attachments/20080205/195e11d0/attachment-0001.jpg 


More information about the openmoko-kernel mailing list