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mschramm

  • Registered on: 03/11/2016
  • Last connection: 10/17/2019

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10/17/2019

06:37 PM m.2 (NGFF) WWAN modem USB breakout board Bug #4231 (Resolved): connect /PERST line @NGFF to POWERGD (pin4 @X2)
done. - laforge wanted to have this signal remain on the pinheader too. To tame that resulting stub, a 33p cap was pl...
05:12 PM m.2 (NGFF) WWAN modem USB breakout board Bug #4231 (Resolved): connect /PERST line @NGFF to POWERGD (pin4 @X2)
Let's accept that there are some people who use POWERGOOD signal as a synonym for /PERST... This change finally made ...
04:40 PM m.2 (NGFF) WWAN modem USB breakout board Bug #4230 (New): cross Rx/Tx on breakout board
As @roh found out during evaluation, the Rx and Tx pairs have to change their places if we want to go on with the sel...
04:19 PM m.2 (NGFF) WWAN modem USB breakout board Bug #4216 (Resolved): connect PCIe conn pin 7 on NGFF to GND
04:00 PM m.2 (NGFF) WWAN modem USB breakout board Bug #4216 (In Progress): connect PCIe conn pin 7 on NGFF to GND

09/28/2019

12:10 AM m.2 (NGFF) WWAN modem USB breakout board Bug #4216 (Resolved): connect PCIe conn pin 7 on NGFF to GND
NGFF/M.2 breakout v1 lacks a proper GND connection towards PCIe apart from shield. @roh today identified pin 7 for th...

09/24/2019

04:35 PM m.2 (NGFF) WWAN modem USB breakout board Bug #4211 (Resolved): find solution for inverted polarity of SIMx_DET (SIM present) switches and their altered pin designation on some modems for 2nd SIM
The current design now incorporates an additional 2x5 header for the USIM2 signals, serving as a breakout header for ...
04:22 PM m.2 (NGFF) WWAN modem USB breakout board Bug #4186 (Resolved): lack of GND VIAS in some area of board
current version got a lot more vias.
02:59 PM m.2 (NGFF) WWAN modem USB breakout board Bug #4186 (In Progress): lack of GND VIAS in some area of board

09/19/2019

06:48 PM m.2 (NGFF) WWAN modem USB breakout board Wiki edit: Wiki (#2)
add image of 1st working v1 M.2 / NGFF breakout

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