OLPC Firmware q4d37


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Works on XO-1.75 C2.

  • add support for new backlight and new camera.
Download q4d37.rom
Build date time 2015-03-10 08:18:46 (UTC)
Source revision 3770
EC version 1.0.01
CForth version 120a08a8
Wireless firmware version Libertas thinfirm 9.0.7.p2


Open Firmware

  • 3769 OLPC XO - siv121d camera sensor support, #12861
  • 3766 OLPC XO-4 - set display brightness to full on old displays, and to closest match on new displays, see #12854
  • 3765 OLPC - display test, add blue versus red gradient, unused
  • 3750 OLPC - add another ASIX AX88772B based USB ethernet adaptor 0b95.772b to be used in factory, the device uses previously reserved bits in receive buffer, fix is to reconfigure the device for the default format. Tested also with 0b95.7720 ZoWii Zoltan Tech ZU-80. #12844.
  • 3748 [ARM] fixed signed double conversion, from Matthijs van Duin <matthijsvanduin@gmail.com>, 24th November 2014, fixes a regression introduced in r3740, affected d<= and d> only.
  • 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.
  • 3741 OLPC XO-1.75 XO-4 - round storage size, rewrite of r3737, not all definitions changed, OLPC #12821
  • 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


  • backlight


  • none
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