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Difference between Eeprom and Flashrom

Difference between EEPROM and Flashrom

Eeprom and flashrom are both memory devices, but they have different purposes. Eeprom is used to store data that needs to be accessed regularly, while flashrom is mainly used for storing the operating system or firmware. There may be some overlap between their uses, but each device has its own unique strengths. Understanding the difference between Eeprom and Flashrom can help you make the right choice for your project.

What is Eeprom?

EEPROM is a type of non-volatile memory that can be repeatedly erased and rewritten. Unlike flash memory, which can only be written to a limited number of times, EEPROM can be erased and rewritten an unlimited number of times. This makes it ideal for storing data that needs to be regularly updated, such as settings or preferences. EEPROM is available in a variety of form factors, including DIP, SOIC, and SSOP. It is also available in a range of densities, from 512K to 2M. EEPROM is a versatile and reliable type of memory that is well suited for a wide range of applications.

What is Flashrom?

Flashrom is a utility for identifying, reading, writing, verifying and erasing flash chips. It is designed to flash BIOS/Firmware/Coreboot/Bootloader images on mainboards. Flashrom is often used to upgrade the BIOS/Firmware/Coreboot/Bootloader on a computer. The flashrom utility can be run from a live CD or USB drive, or it can be installed on the hard drive. Flashrom supports a wide range of flash chips and controllers. It can be used to write data to the flash chip, to read data from the flash chip, or verify that the data on the flash chip is correct. Flashrom can also be used to erase the data on a flash chip.

Difference between Eeprom and Flashrom

There are a few key differences between eeprom and flashrom that are important to know. Eeprom stands for electrically erasable programmable read-only memory, while flashrom is a type of non-volatile memory. One key difference between the two is that eeprom can be erased and written to multiple times, while flashrom can only be written to once. This means that eeprom is more versatile in terms of what it can be used for. Another difference is that eeprom is slower than flashrom, which means that it may not be suitable for applications where speed is important. Finally, eeprom is more expensive than flashrom, so it is important to weigh the pros and cons of each before making a decision.


EEPROM and flash ROM are both types of computer memory. They differ in how they are accessed and programmed. EEPROM is typically used to store data that needs to be regularly updated, such as configuration settings. Flash ROM is better suited for storing larger blocks of data, such as an operating system or application software.

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