[flashrom] Problem with writing BIOS

[dask]

Hello

I have a problem with writing BIOS
I googled but nothing help me.
Here is the log. May be you can help me. Thank you.

sudo flashrom -p internal -w 668F1P48.BIN
flashrom v0.9.6.1-r1563 on Linux 3.5.0-17-generic (i686)
flashrom is free software, get the source code at http://www.flashrom.org

Calibrating delay loop... OK.
Found chipset "Intel ICH7/ICH7R". Enabling flash write... OK.
Found PMC flash chip "Pm49FL004" (512 kB, LPC, FWH) at physical address 
0xfff80000.
Flash image seems to be a legacy BIOS. Disabling coreboot-related checks.
Reading old flash chip contents... done.
Erasing and writing flash chip... ERASE FAILED at 0x00000000! 
Expected=0xff, Read=0x25, failed byte count from 0x00000000-0x00000fff: 
0xff7
ERASE FAILED!
Reading current flash chip contents... done. ERASE FAILED at 0x00000000! 
Expected=0xff, Read=0x25, failed byte count from 0x00000000-0x0000ffff: 
0xff00
ERASE FAILED!
Reading current flash chip contents... done. ERASE FAILED at 0x00000000! 
Expected=0xff, Read=0x25, failed byte count from 0x00000000-0x0007ffff: 
0x610d0
ERASE FAILED!
FAILED!
Uh oh. Erase/write failed. Checking if anything changed.
Good. It seems nothing was changed.
Writing to the flash chip apparently didn't do anything.
This means we have to add special support for your board, programmer or 
flash chip.
Please report this on IRC at irc.freenode.net (channel #flashrom) or
mail flashrom at flashrom.org!


-- 
Best regards, Erik