On 03/06/2017 04:50 AM, Connor Illian wrote: > the winbond W25Q128FV is listed as supported by flashrom. > > i have attempted to communicate with this chip via raspberry pi spidev as > well as buspirate from ubuntu. i have one chip pulled from a working machine > and three brand new blanks. > > no EEPROM is found no matter what i try with any chip. i cannot specify > chip, and reading with -f results in an empty bin. > > i can remove the winbond chip from the socket and place a macronix mx25L6406e > and flashrom identifies the chip immediately. > > i have compared data sheets between the macronix and winbond chips, and they > are identical in terms of power, pinout, op codes, etc. > > the only difference is the macronix is 64mbit and the winbond is 128mbit. > > how can i proceed?
Have you tried lowering the speed? Using a Bus Pirate and a WSON-packaged Macronix MX25L6405D I had to lower the speed to 30K before it would even detect it. I didn't use an external power supply though. Dima. _______________________________________________ flashrom mailing list [email protected] https://www.flashrom.org/mailman/listinfo/flashrom
