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Diffstat (limited to 'docs/install/bbb_setup.md')
-rw-r--r-- | docs/install/bbb_setup.md | 18 |
1 files changed, 0 insertions, 18 deletions
diff --git a/docs/install/bbb_setup.md b/docs/install/bbb_setup.md index af9026b3..30e4adc7 100644 --- a/docs/install/bbb_setup.md +++ b/docs/install/bbb_setup.md @@ -327,24 +327,6 @@ leads, **but** keep all other leads short (10cm or less) You should now have something that looks like this:\ ![](images/x200/5252_bbb0.jpg) ![](images/x200/5252_bbb1.jpg) -Notes about stability {#stability} -===================== - -<http://flashrom.org/ISP> is what we typically do in libreboot, though -not always. That page has some notes about using resistors to affect -stability. Currently, we use spispeed=512 (512kHz) but it is possible to -use higher speeds while maintaining stability. - -tty0\_ in \#libreboot was able to get better flashing speeds with the -following configuration: - -- "coax" with 0.1 mm core and aluminum foley (from my kitchen), add - 100 Ohm resistors (serial) -- put heatshrink above the foley, for: CS, CLK, D0, D1 -- Twisted pair used as core (in case more capacitors are needed) -- See this image: <http://i.imgur.com/qHGxKpj.jpg> -- He was able to flash at 50MHz (lower speeds are also fine). - Copyright © 2014, 2015 Leah Rowe <info@minifree.org>\ Copyright © 2015 Patrick "P. J." McDermott <pj@pehjota.net>\ Copyright © 2015 Albin Söderqvist\ |