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Identify, read, write, erase, and verify BIOS/ROM/flash chips

flashrom is a tool for identifying, reading, writing, verifying and erasing flash chips. It's often used to flash BIOS/EFI/coreboot/firmware/optionROM images in-system using a supported mainboard, but it also supports flashing of network cards (NICs), SATA controller cards, and other external devices which can program flash chips.

It supports a wide range of DIP32, PLCC32, DIP8, SO8/SOIC8, TSOP32/40/48, and BGA chips, which use various protocols such as LPC, FWH, parallel flash, or SPI.

The tool can be used to flash BIOS/firmware images for example -- be it proprietary BIOS images or coreboot (previously known as LinuxBIOS) images.

It can also be used to read the current existing BIOS/firmware from a flash chip.

Currently supported programmers include:

* internal (default, for in-system flashing in the mainboard) * dummy (virtual programmer for testing flashrom) * nic3com (for flash ROMs on 3COM network cards) * nicrealtek (for flash ROMs on Realtek network cards) * nicsmc1211 (for flash ROMs on RTL8139-compatible SMC2 network cards) * nicnatsemi (for flash ROMs on National Semiconductor DP838* network cards) * nicintel (for parallel flash ROMs on Intel 10/100Mbit network cards) * nicintel_spi (for SPI flash ROMs on Intel Gigabit network cards) * gfxnvidia (for flash ROMs on NVIDIA graphics cards) * drkaiser (for flash ROMs on Dr. Kaiser PC-Waechter PCI cards) * satasii (for flash ROMs on Silicon Image SATA/IDE controllers) * satamv (for flash ROMs on Marvell SATA controllers) * atahpt (for flash ROMs on Highpoint ATA/RAID controllers) * ft2232_spi (for SPI flash ROMs attached to an FT2232/FT4232H family based USB SPI programmer), including the DLP Design DLP-USB1232H, FTDI FT2232H Mini-Module, FTDI FT4232H Mini-Module, openbiosprog-spi, Amontec JTAGkey/JTAGkey-tiny/JTAGkey-2, Olimex ARM-USB-TINY/-H, Olimex ARM-USB-OCD/-H, TIAO USB Multi-Protocol Adapter (TUMPA), GOEPEL PicoTAP, and FIC OpenMoko Neo1973 Debug board. * serprog (for flash ROMs attached to a programmer speaking serprog), including AVR flasher by Urja Rannikko, AVR flasher by eightdot, Arduino Mega flasher by fritz, InSystemFlasher by Juhana Helovuo, and atmegaXXu2-flasher by Stefan Tauner. * buspirate_spi (for SPI flash ROMs attached to a Bus Pirate) * dediprog (for SPI flash ROMs attached to a Dediprog SF100) * rayer_spi (for SPI flash ROMs attached to a RayeR parport based programmer) * pony_spi (for SPI flash ROMs attached to a SI-Prog serial port bitbanging adapter) * ogp_spi (for SPI flash ROMs on Open Graphics Project graphics card) * linux_spi (for SPI flash ROMs accessible via /dev/spidevX.Y on Linux)

Package version:


flashrom for Debian

WARNING: Be careful with the write and erase operations (-w and -E)! If you
         accidentally overwrite the BIOS of your computer with a broken
         or incorrect BIOS, your computer will be broken and cannot be
         easily recovered! You have been warned!

In case this _does_ happen to you, DO NOT REBOOT! The flashrom developers
might be able to


flashrom README

flashrom is a utility for detecting, reading, writing, verifying and erasing
flash chips. It is often used to flash BIOS/EFI/coreboot/firmware images
in-system using a supported mainboard, but it also supports flashing of n


FLASHROM(8)                                              FLASHROM(8)

       flashrom - detect, read, write, verify and erase flash chips

       flashrom [-h|-R|-L|-z|-p <programmername>[:<parameters>]
                      [-E|-r  <file>|-w <file>|-v <file>] [-c <chip‐
                      [-l <file> [-i <image>]] [-n] [-f]]
                [-V[V[V]]] [-o <logfil


flashrom ( unstable; urgency=low

  * New upstream release.

 -- Uwe Hermann <uwe@de


r1563 | hailfinger | 2012-0


This package was debianized by Uwe Hermann <> on
Thu, 23 Nov 2006 14:48:04 +0100.


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