To whom it may concern,
I do not have any idea what the response below is in reference to. I asked about where to obtain the public key or fingerprint for the download so I can compare hash. -- Aleks Ozolins m:973.464.5242 [email protected] https://www.aleksozolins.com Alexander 'lynxis' Couzens <[email protected]> writes: > [[PGP Signed Part:Undecided]] > Hi Aleks, > > common problems with flashing SPI chips in-system (in-system = without > desoldering the chip) are power supply and signal integrity. > > power supply => either your power supply at all isn't sufficient or the > spi chip draws too quick power that an additional capacitor (of > the correct size) closer to the chip is required. > > signal integrity => improve your cables, shielding, reduce EMI or > desolder the chip and put it on a seperate board, etc.. Or reduce the > spi speed, what you already did. Maybe use a different spi clip or > solder cables on top of your spi chip if you want to stay in-system. > > in-system flashs are always special and depend on the PCB of your > target board. some boards aren't possible to flash at all. But I think > thinkpads are possible to flash in-system, but it has a low possibility > of bricking it. > > > For sure we have bugs in flashrom. But usually it's power of signal > integrity ;). > If it's an bug within flashrom, I would also desolder the > chip and solder it to a small debug board. So you could reduce other > failures soures and to test flashrom in a "known" environment. > > Best, > lynxis > > [[End of PGP Signed Part]] _______________________________________________ flashrom mailing list -- [email protected] To unsubscribe send an email to [email protected]
