On Thu, 19 Feb 2015 01:04:34 +0300
"nicolae788 ." <nicolae788@gmail.com> wrote:

> Thank you very much for your response. I will check the link and hope to
> manage and enable it. One last question: if a board recognizes a 512kb chip
> is it normal to not recognize the above described ( SST 49LF008A ) 1Mb chip
> ??? I have a board with which i could do the flash procedure, it is
> fully supported by flashrom, flash chip, chipset, board, but it doesn;t
> seem to find the chip i want to flash. The original 512 Kb chip it's listed
> when i run flashrom, but when i change chips with the 1Mb one and run again
> flashrom the new chip it's not recognized...

There are different kinds of protocols involved and it is possible that
chips with the same form factor/package are not compatible.
http://flashrom.org/Technology#Communication_bus_protocol
You should state more facts and/or post logs if you need more help.

--
Kind regards/Mit freundlichen Grüßen, Stefan Tauner