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Firmware is crafted to provide programs for communication with other devices in the system and execute functions like basic input/output. The article 'Firmware: What is it? Types of Firmware' is the answer for those curious about this form.
What is Firmware?
Firmware vs. Drivers: Unveiling the Distinctions
In addition, Firmware can initiate and perform programmed tasks, while drivers are controlled and managed by the operating system.
Understanding Firmware: Exploring Varieties
Different Types of Firmware
BIOS
After pressing the power button to start, the computer will initiate the BIOS. It can interact with hardware, check for any errors, and then signal another program called Bootloader, performing the task of awakening the sleeping operating system inside the hard drive and loading it into Random Access Memory (RAM).
The primary task of BIOS is to handle the components of computer hardware and ensure that these components operate correctly. However, being low-level software and almost unchanged for two decades, BIOS has become outdated and lacks support for modern technologies.
A notable example is that BIOS still utilizes 16-bit code, whereas most laptops and computers run on 32 and 64-bit code.
EFI
EFI, an abbreviation for Extensible Firmware Interface, is a protocol software specification responsible for communication between the operating system and system firmware. The CPU uses it to initialize hardware, bypassing the Bootloader. Sometimes referred to as UEFI (short for Unified Extensible Firmware Interface), EFI offers certain advantages over BIOS.
For example, EFI ensures your computer only boots with software trusted by the computer manufacturer, supporting features like Secure Boot to enhance security.
Knowing the BIOS version on your computer can be beneficial during the process of updating the firmware to the latest version. On a Windows computer, you can retrieve firmware version information using the Command Prompt. Additionally, you can utilize the Upgrade Assistant tool for your device.
To check the firmware version of any hardware, the simplest method is to open Device Manager, then expand the category, select Hardware, right-click on it, and choose Properties.
In the Properties window, navigate to the Details tab; here, from the Property menu, select Hardware Ids. In the Value table section, you'll find the firmware version.
Firmware Update
Firmware updates are available from hardware manufacturers. For example, updating firmware for a network router is released to fix bugs, address security vulnerabilities, or enhance network speed.
Some firmware updates are applied routinely and are just regular software updates. However, other updates may take longer as they involve copying firmware to a drive and manually loading it onto your device.
On certain devices, there's a dedicated section for users to apply firmware updates or usage guides for user reference.
It's crucial to ensure that the device you're updating firmware on doesn't power off during the update process. Firmware updates patch faulty firmware components, which could potentially damage the device.
What Sets Firmware Apart from Software
Firmware and Software are often interchangeable, serving as one or a collection of computer programs designated for specific tasks on a computer.
For instance, due to its virtual nature, Software can be copied, altered, or destroyed. Software is commonly stored in memory for easy access, and users can even make replacements.
In contrast, firmware, the storage medium for firmware, is typically embedded within the device and cannot be replaced by users. This is to prevent tampering or removal of firmware, as it is essential for program execution. Removing firmware can lead to severe consequences.
Moreover, software is frequently upgraded, resulting in modifications to stored information with each application upgrade. Conversely, firmware remains relatively unchanged unless you consistently modify settings. Devices also seldom require alterations to their firmware.
In this article, Mytour has just provided you with information about Firmware, what Firmware is, and the types of Firmware. To delve deeper into Firmware, readers can refer to the article comparing Firmware and BIOS. If you have any additional information or questions that need clarification, feel free to leave your comments below.
