Hi to all team members. chip: Winbond 25Q128BFVS0 programmer: ch341a device: Intel NUC5PPYH os: Debian Stretch kernel: 4.9.168-1+deb9u5 (2019-08-11) Flashrom builded with procedure: # apt install pciutils pciutils-dev libpci-dev zlib1g-dev libpci3 libftdi-dev libusb-dev # git clone https://github.com/flashrom/flashrom.git flashrom_git # cd flashrom_git; make; cp flashrom ../ Some parts of build log: # Replacing all version templates with v1.1-rc1-69-g188127e. # Checking for a C compiler... found. # Target arch is x86 # Target OS is Linux # Checking for libpci headers... found. # Checking version of pci_get_dev... new version (including PCI domain parameter). # Checking if libpci is present and sufficient... yes. # Checking for libusb-1.0 headers... found. # Checking if libusb-1.0 is usable... yes. # Checking for FTDI support... found. # Checking for FT232H support in libftdi... found. # Checking if Linux MTD headers are present... yes. # Checking if Linux SPI headers are present... yes. # Checking for utsname support... found. # Checking for clock_gettime support... found. log from "flashrom -p ch341a_spi -VV" in attachment. Regards Bercik