Here's my output:
sudo flashrom -V Calibrating delay loop... 377M loops per second, 100 myus = 153 us. OK. No coreboot table found. Found chipset "ATI SB400", enabling flash write... OK. Probing for AMD Am29F002(N)BB, 256 KB: probe_jedec: id1 0xff, id2 0xff, id1 parity violation Probing for AMD Am29F002(N)BT, 256 KB: probe_jedec: id1 0xff, id2 0xff, id1 parity violation Probing for AMD Am29F016D, 2048 KB: probe_29f040b: id1 0xff, id2 0xff Probing for AMD Am29F040B, 512 KB: probe_29f040b: id1 0xcd, id2 0xf6 Probing for AMD Am29LV040B, 512 KB: probe_29f040b: id1 0xcd, id2 0xf6 Probing for ASD AE49F2008, 256 KB: probe_jedec: id1 0xff, id2 0xff, id1 parity violation Probing for Atmel AT25DF021, 256 KB: spi_command called, but no SPI chipset/strapping detected Probing for Atmel AT25DF041A, 512 KB: spi_command called, but no SPI chipset/strapping detected Probing for Atmel AT25DF081, 1024 KB: spi_command called, but no SPI chipset/strapping detected Probing for Atmel AT25DF161, 2048 KB: spi_command called, but no SPI chipset/strapping detected Probing for Atmel AT25DF321, 4096 KB: spi_command called, but no SPI chipset/strapping detected Probing for Atmel AT25DF321A, 4096 KB: spi_command called, but no SPI chipset/strapping detected Probing for Atmel AT25DF641, 8192 KB: spi_command called, but no SPI chipset/strapping detected Probing for Atmel AT25F512B, 64 KB: spi_command called, but no SPI chipset/strapping detected Probing for Atmel AT25FS010, 128 KB: spi_command called, but no SPI chipset/strapping detected Probing for Atmel AT25FS040, 512 KB: spi_command called, but no SPI chipset/strapping detected Probing for Atmel AT26DF041, 512 KB: spi_command called, but no SPI chipset/strapping detected Probing for Atmel AT26DF081A, 1024 KB: spi_command called, but no SPI chipset/strapping detected Probing for Atmel AT26DF161, 2048 KB: spi_command called, but no SPI chipset/strapping detected Probing for Atmel AT26DF161A, 2048 KB: spi_command called, but no SPI chipset/strapping detected Probing for Atmel AT26F004, 512 KB: spi_command called, but no SPI chipset/strapping detected Probing for Atmel AT29C020, 256 KB: probe_jedec: id1 0xff, id2 0xff, id1 parity violation Probing for Atmel AT29C040A, 512 KB: probe_jedec: id1 0xcd, id2 0xf6 Probing for Atmel AT45CS1282, 16896 KB: spi_command called, but no SPI chipset/strapping detected Probing for Atmel AT45DB011D, 128 KB: spi_command called, but no SPI chipset/strapping detected Probing for Atmel AT45DB021D, 256 KB: spi_command called, but no SPI chipset/strapping detected Probing for Atmel AT45DB041D, 512 KB: spi_command called, but no SPI chipset/strapping detected Probing for Atmel AT45DB081D, 1024 KB: spi_command called, but no SPI chipset/strapping detected Probing for Atmel AT45DB161D, 2048 KB: spi_command called, but no SPI chipset/strapping detected Probing for Atmel AT45DB321C, 4224 KB: spi_command called, but no SPI chipset/strapping detected Probing for Atmel AT45DB321D, 4096 KB: spi_command called, but no SPI chipset/strapping detected Probing for Atmel AT45DB642D, 8192 KB: spi_command called, but no SPI chipset/strapping detected Probing for Atmel AT49F002(N), 256 KB: probe_jedec: id1 0xff, id2 0xff, id1 parity violation Probing for Atmel AT49F002(N)T, 256 KB: probe_jedec: id1 0xff, id2 0xff, id1 parity violation Probing for AMIC A25L40P, 512 KB: 4b ID not supported on this SPI controller Probing for AMIC A29002B, 256 KB: probe_29f002: id1 0xff, id2 0xff Probing for AMIC A29002T, 256 KB: probe_29f002: id1 0xff, id2 0xff Probing for AMIC A29040B, 512 KB: probe_29f040b: id1 0xcd, id2 0xf6 Probing for AMIC A49LF040A, 512 KB: probe_jedec: id1 0xcd, id2 0xf6 Probing for EMST F49B002UA, 256 KB: probe_jedec: id1 0xff, id2 0xff, id1 parity violation Probing for EON EN29F002(A)(N)B, 256 KB: probe_jedec: id1 0xff, id2 0xff, id1 parity violation Probing for EON EN29F002(A)(N)T, 256 KB: probe_jedec: id1 0xff, id2 0xff, id1 parity violation Probing for Fujitsu MBM29F004BC, 512 KB: probe_jedec: id1 0xcd, id2 0xf6 Probing for Fujitsu MBM29F004TC, 512 KB: probe_jedec: id1 0xcd, id2 0xf6 Probing for Fujitsu MBM29F400BC, 512 KB: probe_m29f400bt: id1 0xcd, id2 0x81 Probing for Fujitsu MBM29F400TC, 512 KB: probe_m29f400bt: id1 0xcd, id2 0x81 Probing for Intel 82802AB, 512 KB: probe_82802ab: id1 0xcd, id2 0xf6 Probing for Intel 82802AC, 1024 KB: probe_82802ab: id1 0x2, id2 0xf Probing for Macronix MX25L512, 64 KB: spi_command called, but no SPI chipset/strapping detected Probing for Macronix MX25L1005, 128 KB: spi_command called, but no SPI chipset/strapping detected Probing for Macronix MX25L2005, 256 KB: spi_command called, but no SPI chipset/strapping detected Probing for Macronix MX25L4005, 512 KB: spi_command called, but no SPI chipset/strapping detected Probing for Macronix MX25L8005, 1024 KB: spi_command called, but no SPI chipset/strapping detected Probing for Macronix MX25L1605, 2048 KB: spi_command called, but no SPI chipset/strapping detected Probing for Macronix MX25L3205, 4096 KB: spi_command called, but no SPI chipset/strapping detected Probing for Macronix MX25L6405, 8192 KB: spi_command called, but no SPI chipset/strapping detected Probing for Macronix MX29F002B, 256 KB: probe_29f002: id1 0xff, id2 0xff Probing for Macronix MX29F002T, 256 KB: probe_29f002: id1 0xff, id2 0xff Probing for Macronix MX29LV040C, 512 KB: probe_29f002: id1 0xcd, id2 0xf6 Probing for Numonyx M25PE10, 128 KB: spi_command called, but no SPI chipset/strapping detected Probing for Numonyx M25PE20, 256 KB: spi_command called, but no SPI chipset/strapping detected Probing for Numonyx M25PE40, 256 KB: spi_command called, but no SPI chipset/strapping detected Probing for Numonyx M25PE80, 1024 KB: spi_command called, but no SPI chipset/strapping detected Probing for Numonyx M25PE16, 2048 KB: spi_command called, but no SPI chipset/strapping detected Probing for PMC Pm25LV010, 128 KB: spi_command called, but no SPI chipset/strapping detected Probing for PMC Pm25LV016B, 2048 KB: spi_command called, but no SPI chipset/strapping detected Probing for PMC Pm25LV020, 256 KB: spi_command called, but no SPI chipset/strapping detected Probing for PMC Pm25LV040, 512 KB: spi_command called, but no SPI chipset/strapping detected Probing for PMC Pm25LV080B, 1024 KB: spi_command called, but no SPI chipset/strapping detected Probing for PMC Pm25LV512, 64 KB: spi_command called, but no SPI chipset/strapping detected Probing for PMC Pm49FL002, 256 KB: probe_jedec: id1 0xff, id2 0xff, id1 parity violation Probing for PMC Pm49FL004, 512 KB: probe_jedec: id1 0xcd, id2 0xf6 Probing for Sharp LHF00L04, 1024 KB: probe_lhf00l04: id1 0x2, id2 0xf Probing for Spansion S25FL016A, 2048 KB: spi_command called, but no SPI chipset/strapping detected Probing for SST SST25VF016B, 2048 KB: spi_command called, but no SPI chipset/strapping detected Probing for SST SST25VF032B, 4096 KB: spi_command called, but no SPI chipset/strapping detected Probing for SST SST25VF040B, 512 KB: spi_command called, but no SPI chipset/strapping detected Probing for SST SST25VF080B, 1024 KB: spi_command called, but no SPI chipset/strapping detected Probing for SST SST28SF040A, 512 KB: probe_28sf040: id1 0xcd, id2 0xf6 Probing for SST SST29EE010, 128 KB: probe_jedec: id1 0xff, id2 0xff, id1 parity violation Probing for SST SST29LE010, 128 KB: probe_jedec: id1 0xff, id2 0xff, id1 parity violation Probing for SST SST29EE020A, 256 KB: probe_jedec: id1 0xff, id2 0xff, id1 parity violation Probing for SST SST29LE020, 256 KB: probe_jedec: id1 0xff, id2 0xff, id1 parity violation Probing for SST SST39SF010A, 128 KB: probe_jedec: id1 0xff, id2 0xff, id1 parity violation Probing for SST SST39SF020A, 256 KB: probe_jedec: id1 0xff, id2 0xff, id1 parity violation Probing for SST SST39SF040, 512 KB: probe_jedec: id1 0xcd, id2 0xf6 Probing for SST SST39VF512, 64 KB: probe_jedec: id1 0x0, id2 0x0, id1 parity violation Probing for SST SST39VF010, 128 KB: probe_jedec: id1 0xff, id2 0xff, id1 parity violation Probing for SST SST39VF020, 256 KB: probe_jedec: id1 0xff, id2 0xff, id1 parity violation Probing for SST SST39VF040, 512 KB: probe_jedec: id1 0xcd, id2 0xf6 Probing for SST SST49LF002A/B, 256 KB: probe_jedec: id1 0xff, id2 0xff, id1 parity violation Probing for SST SST49LF003A/B, 384 KB: probe_jedec: id1 0x4e, id2 0x41, id1 parity violation Probing for SST SST49LF004A/B, 512 KB: probe_jedec: id1 0xcd, id2 0xf6 Probing for SST SST49LF004C, 512 KB: probe_49lfxxxc: id1 0xcd, id2 0xf6 Probing for SST SST49LF008A, 1024 KB: probe_jedec: id1 0x2, id2 0xf Probing for SST SST49LF008C, 1024 KB: probe_49lfxxxc: id1 0x2, id2 0xf Probing for SST SST49LF016C, 2048 KB: probe_49lfxxxc: id1 0xff, id2 0xff Probing for SST SST49LF020A, 256 KB: probe_jedec: id1 0xff, id2 0xff, id1 parity violation Probing for SST SST49LF040, 512 KB: probe_jedec: id1 0xcd, id2 0xf6 Probing for SST SST49LF040B, 512 KB: probe_jedec: id1 0xcd, id2 0xf6 Probing for SST SST49LF080A, 1024 KB: probe_jedec: id1 0x2, id2 0xf Probing for SST SST49LF160C, 2048 KB: probe_49lfxxxc: id1 0xff, id2 0xff Probing for ST M25P05-A, 64 KB: spi_command called, but no SPI chipset/strapping detected Probing for ST M25P10-A, 128 KB: spi_command called, but no SPI chipset/strapping detected Probing for ST M25P20, 256 KB: spi_command called, but no SPI chipset/strapping detected Probing for ST M25P40, 512 KB: spi_command called, but no SPI chipset/strapping detected Probing for ST M25P40-old, 512 KB: spi_command called, but no SPI chipset/strapping detected spi_command called, but no SPI chipset/strapping detected Probing for ST M25P80, 1024 KB: spi_command called, but no SPI chipset/strapping detected Probing for ST M25P16, 2048 KB: spi_command called, but no SPI chipset/strapping detected Probing for ST M25P32, 4096 KB: spi_command called, but no SPI chipset/strapping detected Probing for ST M25P64, 8192 KB: spi_command called, but no SPI chipset/strapping detected Probing for ST M25P128, 16384 KB: spi_command called, but no SPI chipset/strapping detected Probing for ST M29F002B, 256 KB: probe_jedec: id1 0xff, id2 0xff, id1 parity violation Probing for ST M29F002T/NT, 256 KB: probe_jedec: id1 0xff, id2 0xff, id1 parity violation Probing for ST M29F040B, 512 KB: probe_29f040b: id1 0xcd, id2 0xf6 Probing for ST M29F400BT, 512 KB: probe_m29f400bt: id1 0xcd, id2 0x81 Probing for ST M29W010B, 128 KB: probe_jedec: id1 0xff, id2 0xff, id1 parity violation Probing for ST M29W040B, 512 KB: probe_jedec: id1 0xcd, id2 0xf6 Probing for ST M50FLW040A, 512 KB: probe_stm50flw0x0x: id1 0xcd, id2 0xf6 Probing for ST M50FLW040B, 512 KB: probe_stm50flw0x0x: id1 0xcd, id2 0xf6 Probing for ST M50FLW080A, 1024 KB: probe_stm50flw0x0x: id1 0x2, id2 0xf Probing for ST M50FLW080B, 1024 KB: probe_stm50flw0x0x: id1 0x2, id2 0xf Probing for ST M50FW002, 256 KB: probe_49lfxxxc: id1 0xff, id2 0xff Probing for ST M50FW016, 2048 KB: probe_82802ab: id1 0xff, id2 0xff Probing for ST M50FW040, 512 KB: probe_82802ab: id1 0xcd, id2 0xf6 Probing for ST M50FW080, 1024 KB: probe_82802ab: id1 0x2, id2 0xf Probing for ST M50LPW116, 2048 KB: probe_jedec: id1 0xff, id2 0xff, id1 parity violation Probing for SyncMOS S29C31004T, 512 KB: probe_jedec: id1 0xcd, id2 0xf6 Probing for SyncMOS S29C51001T, 128 KB: probe_jedec: id1 0xff, id2 0xff, id1 parity violation Probing for SyncMOS S29C51002T, 256 KB: probe_jedec: id1 0xff, id2 0xff, id1 parity violation Probing for SyncMOS S29C51004T, 512 KB: probe_jedec: id1 0xcd, id2 0xf6 Probing for Winbond W25x10, 128 KB: spi_command called, but no SPI chipset/strapping detected Probing for Winbond W25x20, 256 KB: spi_command called, but no SPI chipset/strapping detected Probing for Winbond W25x40, 512 KB: spi_command called, but no SPI chipset/strapping detected Probing for Winbond W25x80, 1024 KB: spi_command called, but no SPI chipset/strapping detected Probing for Winbond W29C011, 128 KB: probe_jedec: id1 0xff, id2 0xff, id1 parity violation Probing for Winbond W29C020C, 256 KB: probe_jedec: id1 0xff, id2 0xff, id1 parity violation Probing for Winbond W29C040P, 512 KB: probe_jedec: id1 0xcd, id2 0xf6 Probing for Winbond W29EE011, 128 KB: === Probing disabled for Winbond W29EE011 because the probing sequence puts the AMIC A49LF040A in a funky state. Use 'flashrom -c W29EE011' if you have a board with this chip. === Probing for Winbond W39V040A, 512 KB: probe_jedec: id1 0xcd, id2 0xf6 Probing for Winbond W39V040B, 512 KB: probe_jedec: id1 0xcd, id2 0xf6 Probing for Winbond W39V040C, 512 KB: probe_w39v040c: id1 0xcd, id2 0xf6 Probing for Winbond W39V040FA, 512 KB: probe_jedec: id1 0xcd, id2 0xf6 Probing for Winbond W39V080A, 1024 KB: probe_jedec: id1 0x2, id2 0xf Probing for Winbond W49F002U, 256 KB: probe_jedec: id1 0xff, id2 0xff, id1 parity violation Probing for Winbond W49V002A, 256 KB: probe_jedec: id1 0xff, id2 0xff, id1 parity violation Probing for Winbond W49V002FA, 256 KB: probe_jedec: id1 0xff, id2 0xff, id1 parity violation Probing for Winbond W39V080FA, 1024 KB: probe_winbond_fwhub: vid 0x2, did 0xf Probing for Winbond W39V080FA (dual mode), 512 KB: probe_winbond_fwhub: vid 0xcd, did 0xf6 Probing for Atmel unknown Atmel SPI chip, 0 KB: spi_command called, but no SPI chipset/strapping detected Probing for EON unknown EON SPI chip, 0 KB: spi_command called, but no SPI chipset/strapping detected Probing for Macronix unknown Macronix SPI chip, 0 KB: spi_command called, but no SPI chipset/strapping detected Probing for PMC unknown PMC SPI chip, 0 KB: spi_command called, but no SPI chipset/strapping detected Probing for SST unknown SST SPI chip, 0 KB: spi_command called, but no SPI chipset/strapping detected Probing for ST unknown ST SPI chip, 0 KB: spi_command called, but no SPI chipset/strapping detected No EEPROM/flash device found. If you know which flash chip you have, and if this version of flashrom supports a similar flash chip, you can try to force read your chip. Run: flashrom -f -r -c similar_supported_flash_chip filename