OLPC Firmware q7b41


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Works on XO-4 B1 and later only. Released to add support for 16GB eMMC and Simplo LiPoly battery module.

Download q7b41.rom
Build date time 2014-11-19 23:07:55 (UTC)
Source revision 3747
EC version EC 0.5.01
CForth version 1c6dcd2
WLAN 8686 version 9.0.7.p2
WLAN 8787 version 14.66.09.p80


Open Firmware

  • 3746 OLPC XO-4 - new EC firmware for Simplo LiPoly battery module. ticket #12827.
  • 3745 OLPC - tidy boost command output, break the line
  • 3744 OLPC XO-1.75 XO-4 - backport XO-4 EC recovery changes into the XO-1.75 EC recovery script, and test.
  • 3743 OLPC XO-4 - add EC recovery
  • 3742 OLPC XO-4 - add Simplo LiPoly battery vendor and type
  • 3741 OLPC XO-1.75 XO-4 - round storage size, rewrite of r3737, not all definitions changed, ticket #12821 ticket #12804.
  • 3740 [ARM] fixed signed double comparison
  • 3739 [ARM] fix revsh opcode, add a few more
  • 3738 Added a bunch of PReP stuff
  • 3737 OLPC XO-1.75 XO-4 - round storage size, a new eMMC part marketed as 8 GB has a size of 7.56 GB
  • 3735 OLPC XO-1.75 - new SPI FLASH source sample to be qualified
  • 3734 OLPC - stack underflow in fsupdate.fth, did not cause a build problem, but still, looks wrong.


  • none.


  • EC 0.5.01 new Simplo LiPoly battery module support.


  • none.
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