Michael Stone wrote: > Emiliano, > > First things first - caveat emptor. > > Direct access to the firmware makes it very easy to brick your machine. > Do not attempt to use these instructions unless you are prepared to deal > with the possible consequences of mistakes and/or failure. Consult OFW > experts for the necessary precautions. > > Second - real answers. There are two user-facing mechanisms available > for updating the firmware. One is to put a signed firmware blob in the > right place on the filesystem and to reboot. The other is to use a > developer key to issue to the necessary words to trigger a reflash > directly to the firmware. > > See http://dev.laptop.org/ticket/5565 for the current debate about the > former procedure. > > To exercise the second method, one uses a developer key and the > information on http://wiki.laptop.org/go/Cheat_codes to gain access > access to the Open Firmware "ok" prompt. > > Then, after taking appropriate precautions to ensure the availability of > uninterrupted power, one can manually trigger a reflash with two words > similar to: > > get-file u:\q2d07.rom > reflash >
Or you can just say: ok flash u:\q2d07.rom There is no reason to separate the "get-file ..." and "reflash" steps. > Michael > > P.S. - if you have to do this for lots and lots of machines, you should > probably try to work with us to qualify and release a firmware. > > > On Sat, Dec 22, 2007 at 09:39:27AM -0300, Emiliano Pastorino wrote: > >> Is there any procedure to upgrade JUST the firmware on activated laptops? >> Thanks! >> >> -- >> Emiliano Pastorino >> LATU - Plan Ceibal >> Av. Italia 6201 CP: 11500, Montevideo, Uruguay >> Tel: (598 2) 601 3724 int.: 467 >> > > >> _______________________________________________ >> Devel mailing list >> [email protected] >> http://lists.laptop.org/listinfo/devel >> > > _______________________________________________ > Devel mailing list > [email protected] > http://lists.laptop.org/listinfo/devel > _______________________________________________ Devel mailing list [email protected] http://lists.laptop.org/listinfo/devel
