Tim Zander wrote: > Probing for SST SST25VF016B, 2048 kB: Invalid OPCODE 0x9f, will not > execute. > Invalid OPCODE 0x90, will not execute. > probe_spi_res1: id 0x14 So you have the MX25L1605D instead. Changing 0xbf in flashchips.c to 0x14 will make it work. //Peter