On Mon, 12 May 2014 13:40:42 -0700 Roberto Denis <[email protected]> wrote:
> I have three workstations with the same motherboards, all identical (same > revision, chips, etc.). Motherboards have a Winbond W25Q128 flash chip. > > I have flashed two of those successfully several times with Buspirate > (internal programmer is a no-go on these boards). > > On the third motherboard flashrom fails to identify the flash chip 8 out of > 10 times and terminates. Then on the few occasions when it does identify the > flash chip it fails to complete the flashing process successfully (errors > erasing). > > I have tried two different Buspirate flashed with firmware 5.1, 6.0, 6.1, and > 6.2 (same results regardless of firmware). All the hardware connections are > fine - I have checked continuity from the flash chip legs to the Pomona clip > to Buspirate. My wire leads from Buspirate to the Pomona clip are short, 10 > cm. I am certain this is not a hardware issue since Buspirate/flashrom work > on two other motherboards. > > I just do not know what other test should be pursued to get to a resolution. > I have attached the –V logs for a successful flash from one of the two > boards flashrom works, log where flash chip found but aborts on errors, log > where flash chip not found, and a –VVV log for the latter. I note that the > ‘probing’ results are very different but do not know what that may lead to > conclude. > > Any pointers, comments, help welcome. Intel-based boards? The following page was not written with external programmers in mind, but it is probably the underlying cause... http://flashrom.org/ME see also the last point in the problems section here: http://flashrom.org/ISP -- Kind regards/Mit freundlichen Grüßen, Stefan Tauner _______________________________________________ flashrom mailing list [email protected] http://www.flashrom.org/mailman/listinfo/flashrom
