box0:/home/dawn/bios# flashrom -wvV backup-original.bin
Calibrating delay loop... 742M loops per second. OK.
No LinuxBIOS table found.
Found chipset "NVIDIA MCP55", enabling flash write... OK.
Probing for Am29F040B, 512 KB
probe_29f040b: id1 0x49, id2 0x4d
Probing for Am29LV040B, 512 KB
probe_29f040b: id1 0x49, id2 0x4d
Probing for Am29F016D, 2048 KB
probe_29f040b: id1 0xff, id2 0xff
Probing for AE49F2008, 256 KB
probe_jedec: id1 0x9d, id2 0x6e
Probing for At29C040A, 512 KB
probe_jedec: id1 0x9d, id2 0x6e
Probing for At29C020, 256 KB
probe_jedec: id1 0x9d, id2 0x6e
Probing for MBM29F400TC, 512 KB
probe_m29f400bt: id1 0x49, id2 0x44
Probing for MX29F002, 256 KB
probe_29f002: id1 0x9d, id2 0x6e
Probing for MX25L4005, 512 KB
generic_spi_command called, but no SPI chipset detected
Probing for SST29EE020A, 256 KB
probe_jedec: id1 0x9d, id2 0x6e
Probing for SST28SF040A, 512 KB
probe_28sf040: id1 0x49, id2 0x4d
Probing for SST39SF010A, 128 KB
probe_jedec: id1 0x9d, id2 0x6e
Probing for SST39SF020A, 256 KB
probe_jedec: id1 0x9d, id2 0x6e
Probing for SST39SF040, 512 KB
probe_jedec: id1 0x9d, id2 0x6e
Probing for SST39VF020, 256 KB
probe_jedec: id1 0x9d, id2 0x6e
Probing for SST49LF040B, 512 KB
probe_jedec: id1 0x9d, id2 0x6e
Probing for SST49LF040, 512 KB
probe_jedec: id1 0x9d, id2 0x6e
Probing for SST49LF020A, 256 KB
probe_jedec: id1 0x9d, id2 0x6e
Probing for SST49LF080A, 1024 KB
probe_jedec: id1 0xff, id2 0xff
Probing for SST49LF002A/B, 256 KB
probe_jedec: id1 0x9d, id2 0x6e
Probing for SST49LF003A/B, 384 KB
probe_jedec: id1 0x9d, id2 0x6e
Probing for SST49LF004A/B, 512 KB
probe_jedec: id1 0x9d, id2 0x6e
Probing for SST49LF008A, 1024 KB
probe_jedec: id1 0xff, id2 0xff
Probing for SST49LF004C, 512 KB
probe_49lfxxxc: id1 0x49, id2 0x4d
Probing for SST49LF008C, 1024 KB
probe_49lfxxxc: id1 0xff, id2 0xff
Probing for SST49LF016C, 2048 KB
probe_49lfxxxc: id1 0xff, id2 0xff
Probing for SST49LF160C, 2048 KB
probe_49lfxxxc: id1 0xff, id2 0xff
Probing for Pm49FL002, 256 KB
probe_jedec: id1 0x9d, id2 0x6e
Probing for Pm49FL004, 512 KB
probe_jedec: id1 0x9d, id2 0x6e
Pm49FL004 found at physical address 0xfff80000.
Flash part is Pm49FL004 (512 KB).
Flash image seems to be a legacy BIOS. Disabling checks.
Programming page: 0007 at address: 0x00070000
Verifying flash... address: 0x00000004 FAILED!
box0:/home/dawn/bios#