Package flashrom

Simple program for reading/writing BIOS chips content

Utility which can be used to detect BIOS chips (DIP, PLCC), read their contents
and write new contents on the chips ("flash the chip").

System Administration (Section 8)
flashrom is a utility for detecting, reading, writing, verifying and erasing flash chips. It's often used to flash BIOS/EFI/coreboot/firmware images in-system...