Uefi meaning

Uefi meaning. OS boot loaders like Windows Boot Manager), as they will work on all versions of UEFI firmware. " UEFI is an interface that loads near the beginning of the boot sequence and provides custom configuration options for a PC . "UEFI with CSM" usually means mixed mode in which both native (UEFI) and CSM-based (BIOS) boot is available. Introduction ¶. Keep reading to learn more about this unique update and learn What is UEFI? UEFI stands for "Unified Extensible Firmware Interface. What is Legacy Boot – Definition, Functionality 3. Nov 30, 2021 · UEFI is a tiny special purpose operating system. Apr 9, 2024 · UEFI Security page. UEFI definition. 3). Nov 16, 2013 · To access this menu, open the Settings charm -- either swipe in from the right and tap Settings or press Windows Key + I. Because of the extremely low-level nature of UEFI, each of its implementations is specific Oct 1, 2023 · UEFI BIOS क्या है – What is UEFI BIOS in Hindi. Support for multicast deployment, which allows PC manufacturers to broadcast a PC image that can be received by multiple PCs without overwhelming the network or image server. Jan 4, 2020 · Both BIOS and UEFI are forms of software that kickstart the hardware of your computer before your operating system loads. , an OS loader (see 2. Firmware quality and security. Jul 14, 2023 · The Compatibility Support Module (CSM) plays a significant role in the world of computer BIOS (Basic Input/Output System), bridging the gap between legacy systems and modern hardware. CSM VS UEFI: Speed and Power Management. When it comes to deciding whether or not you want to run Legacy or UEFI BIOS, the choice is in your hands. Attackers have exploited UEFI implementation flaws to gain persistence Jul 14, 2023 · The Compatibility Support Module (CSM) plays a significant role in the world of computer BIOS (Basic Input/Output System), bridging the gap between legacy systems and modern hardware. The Security page allows you to set a password to protect UEFI settings. The UEFI network stack enables implementation on a richer network-based OS deployment environment while still What is UEFI? Unified Extensible Firmware Interface (UEFI) defines the interface between the operating system and platform firmware during the boot, or start-up process. When the PC starts, the firmware checks the signature of each piece of boot software, including UEFI firmware drivers (also known as Option ROMs), EFI May 13, 2024 · In some motherboards, the legacy BIOS is replaced by the modern extensible firmware interface (EFI) or the unified extensible firmware interface (UEFI). UEFI originated as the Intel Boot Initiative in the late 1990s before being turned over to the Unified EFI Forum May 17, 2022 · Press the required key repeatedly until you enter the setup mode. It will be ignored by UEFI. efi to exist. It replaces the traditional BIOS (Basic Input/Output System) that was used in older computer systems. Apr 19, 2024 · The terms UEFI and BIOS need to be addressed when it comes to changing a boot priority or deciding a GPT or MBR disk to install OS. Secure boot is a security standard developed by members of the PC industry to help make sure that a device boots using only software that is trusted by the Original Equipment Manufacturer (OEM). UEFI’s theoretical size limit for bootable drives is more than nine zettabytes, while BIOS can only boot from drives 2. If you don't want to dual boot and are not interested in how partition work then this is just a flavour change. The UEFI network stack enables implementation on a richer network-based OS deployment environment while still supporting Jun 21, 2019 · You’ve heard the terms “BIOS” and “UEFI” but may not understand what each means. An additional BIOS bootcode may exist on the drive. . Nov 14, 2022 · Unified Extensible Firmware Interface, or UEFI, is firmware installed on a motherboard and starts when you turn on the PC. Lowercase letters: a-z. Acknowledgments. However, being the more current answer and overcoming various obstacles of BIOS, UEFI is prepared to replace the previous. Den tydligaste förbättringen vi hittade är att gränssnittet är modernare och uppdaterat jämfört med den vanliga MS-DOS-designen i BIOS. Feb 29, 2024 · The Unified Extensible Firmware Interface (UEFI), like BIOS (Basic Input Output System), is a firmware that runs whilst the PC is booted. Apr 22, 2022 · In contrast, UEFI operates in 64-bit mode, meaning it has higher addressable memory and thus it makes the booting process faster. BIOS, which motherboard firmware you should use, and how to check if your computer uses UEFI or BIOS. UEFI history Moving from BIOS to the new UEFI is a major technical transition for motherboards. 2 terabytes or smaller. Immediately press the F2 key repeatedly until the UEFI menu UEFI [Unified Extensible Firmware Interface] UEFI का Full-Form होता है “ Unified Extensible Firmware Interface . This Unified Extensible Firmware Interface (UEFI) Specification describes an interface between the operating system (OS) and the platform firmware. After that, select UEFI Firmware Settings. This is why UEFI boots faster than Legacy systems. Let's take it word by word, unified puts everything in one place. As a result, some code and certain protocol names retain the EFI designation. After you complete the steps, the The UEFI boot manager is a component of the firmware that presents a menu allowing you to choose which operating system or boot entry to load. It's nothing new and I'd hope commonly-available guides would help me boot the Surface Book from an image on the network, should I ever desire this. Innovation and time to value. Sample 1 Sample 2. UEFI is essential to most computers; it replaces the legacy BIOS format, serving as an interface between hardware and operating systems. Once in, search for settings named, Boot mode, UEFI/Legacy Boot, BIOS, Boot mode select, or CSM support. Click Troubleshoot >Choose Advanced options. Dec 8, 2022 · Drives: UEFI supports larger HDDs and SSDs. Industry bootloaders and operating system payloads across market segments. g. Because of the extremely low-level nature of UEFI, each of its implementations is specific May 1, 2022 · What do UEFI and Legacy BIOS mean? The abbreviation UEFI stands for Unified Extensible Firmware Interface , which works as a middleman to connect your computer’s firmware to the operating system. Jan 20, 2022 · The UEFI standard defines syntax and rules for how UEFI firmware is developed, meaning that all UEFI firmware is essentially the same. It is a modern firmware interface that has replaced the older BIOS (Basic Input/Output System) on newer computers. 3. UEFI is an update to traditional BIOS that supports larger hard drives, quicker boot times, more security features, and more graphics and mouse cursor options. Most new motherboards consist of this new type. It even supports automatic overclocking wizards where you just add information about your processor, select your cooling components, and it will set an overclock for you. Find our newest resources below: View the How to Become a UEFI Security Superhero infographic. UEFI stands for Unified Extensible Firmware Interface. We will explore how Windows Nov 8, 2020 · UEFI är som BIOS men med förbättringar. Think of UEFI as a small operating system. UEFI (Unified Extensible Firmware Interface) is a modern replacement for the old BIOS bootloader in computers. Short for Unified Extensible Firmware Interface, UEFI is a specification that defines a more modernized model for the interface between computer operating systems and platform firmware during the boot, or start-up, process. UEFi dibuat untuk mengatasi kelemahan dan batasan yang dimiliki oleh BIOS, sehingga firmware ini memiliki banyak kelebihan dibandingkan BIOS: UEFI memiliki komunikasi yang lebih baik Jul 2, 2014 · UEFI’s customization capabilities affects boot time. This special software loads before the operating system and checks if all components are connected and working properly before letting the OS take over. Furthermore, UEFI supports networking, so you can troubleshoot Sep 13, 2018 · What is UEFI – Definition, Functionality 2. 4ZB usable space on a hard disk and only supports booting from a GPT partition-style hard disk. Certain options in the BIOS can physically damage your computer, so caution is necessary when making changes. Nov 17, 2022 · 3. Click the Power option under the Settings charm, press and hold the Shift key, and click Restart. The system firmware that initializes hardware and loads software in these systems is indeed very complex. According to Wikipedia, UEFI is a specification that connects the computer's firmware to its operating system. Disk partition. BIOS, Legacy Boot, UEFI. It is limited to only 16-bit processor mode and 1 MB of addressable memory. This shows you that your computer is working in UEFI mode. It can load programs/modules. The interface consists of data tables that contain platform-related information, plus boot and runtime service calls that are available to the Jan 3, 2013 · Unified Extensible Firmware Interface: The Unified Extensible Firmware Interface (UEFI) specification provides and defines a software interface that is between firmware and an operating system (OS). Chipsets First, please see Wikipedia for the definition of CSM for UEFI (this is the first page you should get if you google UEFI CSM). Ability to more easily support large hard drives (more than 2 terabytes) and drives with more than four partitions. The UEFI boot mode allows for at most 9. What is UEFI? Unified Extensible Firmware Interface (UEFI) defines the interface between the operating system and platform firmware during the boot or start-up process. Here is an example. Legacy BIOS के बहुत सारे limitation था जिसकी वजह से computer के performance में effect परता था। और उस limitation को पूरी तरह overcome करके market में bios के new types Nov 16, 2023 · Also, it enables your system to work with older expansion cards, like PCI and PCI Express devices. Once you know that, you should understand that UEFI-CSM means "NON-pure UEFI boot mode" (i. View the UEFI Membership datasheet here. Sep 25, 2022 · UEFI, short for Unified Extensible Firmware Interface, is a modern firmware interface that replaces the traditional BIOS (Basic Input/Output System) in most Apr 20, 2021 · UEFI (Unified Extensible Firmware Interface) is a mini operating system that loads the bootloader in the memory before it executes additional operational routines. 2. , after the system is powered on, but before the operating system starts) to an operating system. It is used during key wrapping operations, digital signing, and encrypting large blocks of data. 10 specification that was originally published by Intel ®. In addition to that, UEFI boots almost instantly from power-saving modes like sleep, reboot, and hibernation. 10 (EFI). From the next screen, select Troubleshoot > Advanced options > UEFI Firmware Settings > Restart to make changes. It is based on the EFI 1. The boot menu will show a mix of native UEFI boot entries and CSM "bootable disk" entries in this case. Nov 10, 2023 · UEFI, which stands for Unified Extensible Firmware Interface, is a modern and advanced firmware interface that has replaced the traditional BIOS (Basic Input/Output System) in modern computer systems. Installing an EFI shell in an "EFI System" partition (type EF00) formatted with a VFAT file system and properly named shellx64 Sep 27, 2016 · Most UEFI implementations can also boot from MBR-partitioned USB drives. UEFI was preceded by the Extensible Firmware Interface Specification 1. In some cases, there are options to enable Aug 3, 2023 · Unified Extensible Firmware Interface (UEFI) is a critical software standard in modern computing, yet most people have never heard of it. Mar 29, 2018 · Microcode translates the instructions the CPU receives into the physical, circuit-level operations that happen inside the CPU. However, this shift can pose compatibility […] Unified Extensible Firmware Interface (UEFI) defines the interface between the operating system and platform firmware during the boot, or start-up process. What does UEFI BIOS actually mean? Find out inside PCMag's comprehensive tech and computer-related encyclopedia. Jun 28, 2023 · UEFI vs Legacy BIOS - Don't know which is better? faster? & secure? Here I listed 10 Pros & Cons and Differences explaining the best option for your PC needs. UEFI replaces BIOS, enhances the Extensible Firmware Interface (EFI) and provides an operational environment for OS and boot-time applications and 1. The material contained herein is not a license, either expressly or impliedly, to any intellectual property owned or controlled by any of the authors or developers of this material or to any contribution thereto. Feb 16, 2016 · UEFI was developed to allow support for new technologies during the booting process before the operating system loads. Sep 19, 2023 · Look for the term “BIOS mode. What is UEFI. Sep 8, 2023 · UEFI stands for Unified Extensible Firmware Interface. definition. As technology advances, newer systems utilize the Unified Extensible Firmware Interface (UEFI) BIOS, which offers a range of benefits and advanced features. Keep reading to learn more about this unique update and learn May 28, 2024 · UEFI 이전의 규격인 BIOS의 경우 IBM이 자사의 제품인 IBM PC를 위해 만들었으나 Phoenix Technology가 리버스 엔지니어링해 IBM PC 호환기종을 만들고자 하는 회사들에게 BIOS를 판매하기 시작#하면서 사실상 표준 규격이 된 것에 비해, UEFI는 처음부터 공용 펌웨어 규격을 목적으로 설계되어 있으며 규격 등이 Jun 28, 2023 · UEFI supports new technologies such as Secure Boot and TPM (Trusted Platform Module). It is not one size fit all. The RSA Engine can create one-time symmetric keys of up to 2048 bits. UEFI can support functions like remote diagnostics and calibration of fan curves. This special interface is a kind of miniature operating system which starts up immediately after booting the computer’s motherboard (also referred to as the mainboard) and its corresponding hardware components. Aug 28, 2023 · Key Takeaways The BIOS (or UEFI) is a software that initializes and tests hardware on your computer, and can be accessed to customize hardware functions. This password must be entered when you boot the Surface device to UEFI. For systems with firmware implementations conforming to this specification, the UEFI boot manager (see chapter 3) must ignore this bit when selecting a UEFI-compliant application, e. Mar 31, 2024 · To disable Secure Boot and enable booting from USB in UEFI mode, follow these steps: 1. See also: bootloader, secure boot, UEFI rootkit, bootkit, master boot record, trusted computing base. Jan 24, 2024 · UEFI क्या है, कंप्यूटर सिस्टम में बूट प्रक्रिया प्रबंधन के लिए UEFI और BIOS दो तरह के यूजर इंटरफ़ेस होते है। BIOS जिसे Legacy boot mode भी कहते है, यह पुराना होने के साथ CUI (Character Sep 7, 2013 · UEFI akan mengecek setiap komponen hardware yang terpasang di komputer, menyalakannya, mengaturnya, dan menyerahkannya ke sistem operasi melalui proses booting. UEFI provides a more advanced and flexible interface between the operating system and the firmware, allowing for faster boot times, more security features, and support for . Go into uefi settings/bios settings and disable secure boot, pop in a Ubuntu disc and select wipe everything and install. The UEFI environment launches the Windows Boot Manager, which determines whether to boot to Full Flash Update (FFU) image flashing or device reset mode, to the update OS, or to the main OS. It is used in the initialization of all hardware components and the startup of your computer’s operating system. It acts as an interface between the operating system and the firmware of the computer’s hardware. The password can contain the following characters (as shown in Figure 3): Uppercase letters: A-Z. Overall, UEFI is more user-friendly than BIOS. Drivers: UEFI has intricate yet discrete drivers, while BIOS uses drivers in optional ROM (read-only memory). Navigate to the “Secure Boot” or “Security” menu option in the UEFI settings. When a computer is booted, UEFI firmware loads files stored on the ESP to start operating systems and Unified Extensible Firmware Interface. An interface helps the user communicate with the PC. And UEFI is regarded as a successor to replace the traditional BIOS Legacy. UEFI works on the computer's motherboard via a specific firmware, and it's pre-installed while manufacturing. UEFI . In addition, UEFI usually tuns on 64-bit operating systems, while CSM supports 16-bit and 32-bit operating systems, like Windows XP, Windows May 12, 2023 · UEFI, short for Unified Extensible Firmware Interface, the successor to Legacy BIOS, is a publicly available specification that defines a software interface between an OS and platform firmware. The EFI Shell is a "shell" (think of a command prompt or a terminal shell) that a (U)EFI BIOS can boot directly into (instead of your OS), allowing control and scripting of many items including booting scenarios. 2 TB or more by using the Master Boot Record (MBR) method as opposed to the more recent GUID Partition Table (GPT) technology. There are meaningful differences, though. Jul 3, 2023 · The truth of the matter is that UEFI and BIOS, on a surface level, serve near-identical functions. UEFI and EFI allow the computer to boot faster, provide more diagnostic and repair tools, and provide a more efficient interface between the operating system and computer components. Usually, you need to press the ESC, Delete, or one of the Function keys (F1, F2, F10, etc. Mar 5, 2024 · UEFI network stack is a set of protocols that enable network communication during the pre-boot phase of a computer system. It allows the system to connect to a network and access resources before the operating system is loaded. UEFI means the Unified Extensible Firmware Interface, which is an industry standard detailing an interface that helps hand off control of the system for the pre -boot environment (i. Aug 31, 2022 · UEFI is a firmware interface that runs on your motherboard and prepares your PC to boot the operating system. They expect a file at /efi/boot/bootx64. It is considered the successor to BIOS and offers many advantages, including mouse support, a graphical user interface , and support for 32-bit and 64-bit systems. " The UEFI Specification defines a new model for the interface between personal-computer operating systems and platform firmware. UEFI offers more features and benefits, such as faster boot times, better security, larger disk Mar 28, 2024 · ASrock Restart to UEFI is a feature provided by ASrock motherboards that allows users to quickly access and optimize their computer’s BIOS settings. There are multiple ways to access the BIOS, including during startup by using specific keys, through Windows 10 settings, or by Dec 10, 2019 · In UEFI, you can do much more. org. Extensible means it can be adapted to different PCs, its use can be extended. UEFI pretende substituir a interface de firmware do Sistema de Entrada/Saída Básico ( BIOS ), presente em todos os The programming language makes all the difference when it comes to adding or removing functions. Enter the UEFI settings by restarting your computer and pressing a specific key (usually Del, F2, or F10) during the boot process. Feb 26, 2024 · Definition of UEFI. May 8, 2013 · 19. BIOS compatility mode), and that UEFI means "pure UEFI" mode, and this is what Rufus tells you. This can prevent certain Spectre attacks by changing the way the CPU functions. Introduction. 1. This illustrates that, while UEFI is a standard interface definition, there can be many different implementations. UEFI boot mode can be almost twice as fast as Legacy CSM boot mode because of "Fast Boot" support. UEFI provides a more advanced and flexible interface for managing the boot process and interacting with hardware components. Compared to BIOS, UEFI supports advanced pre-boot user interfaces. Click Recovery, and then click Restart now under Advanced startup, and then the system will restart and show the Windows boot menu. BIOS has significant limitations as it relates to modern hardware. Det låter dig också ansluta till Internet för att uppdatera eller låter oss en enklare och snabbare start, bland många andra fördelar. A BIOS is just considered a “Legacy” because it’s a much older solution than a modern UEFI, but both will essentially function the same. UEFI uses C-language – a form of coding that is much more simplistic than assembler, which is the type of language that legacy systems require. It provides a bridge between the hardware and operating system, allowing communication and initialization of essential system components during the boot process. Open Split View. Note: if you are using Windows 10 you can get to the power options menu 1. Jan 10, 2017 · The BIOS system is very limiting because of space constraints and because BIOS runs 16-bit code, whereas modern computers use 32-bit or 64-bit CPUs. 10. It enables a seamless transition from the operating system to the UEFI (Unified Extensible Firmware Interface) directly, making it easier to configure and fine-tune system settings. Undefined and must be zero. If you choose to run legacy on your computer, you don’t lose anything essential. In fact, there is no “one thing” that is UEFI. This hidden part of your drive is where the logo image is stored. Development across CPU and XPUs. This simplifies developing standard drivers and UEFI applications (e. This article will help you understand UEFI vs BIOS and decide which to use. Now, go to the Save and exit tab and select Save changes. Dec 17, 2016 · UEFI: Stands for "Unified Extensible Firmware Interface. 4. The material contained herein is provided on an “AS IS” basis and, to the maximum Mar 30, 2023 · Click the Start and select Settings, after that, choose Update and Security. The specification involves two aspects of this process: Boot services: Boot services define how the hardware initiates the software or operating system for loading. May 3, 2016 · UEFI boot format required (?) PXE Network - I'm not seeking info. e. The UEFI network stack facilitates tasks such as booting from a network server or running diagnostics remotely. If the attackers can't Jul 3, 2023 · The truth of the matter is that UEFI and BIOS, on a surface level, serve near-identical functions. While it shares some similarities with BIOS, several key differences have led many to consider UEFI as an extension rather than a replacement traditional BIOS. 5. It then scans for available boot entries, which can include operating systems installed on different disks or partitions. Jun 26, 2023 · This blog post expands on concerns brought to light from recent UEFI attacks, such as BlackLotus, and highlights 5 recommendations to secure and restore trust in the UEFI ecosystem. It is not just one thing named “UEFI”. Microcode updates can also fix bugs 99% you have a mobo that runs uefi and can boot in either efi or legacy. While BIOS is mostly created in assembler language, which makes managing functions far more complicated, UEFI is created in C language, which requires far less programming when dealing with functions. Bits 3-47. The EFI ( Extensible Firmware Interface) system partition or ESP is a partition on a data storage device (usually a hard disk drive or solid-state drive) that is used by computers that have the Unified Extensible Firmware Interface (UEFI). In this guide, we'll break it down step-by-step. Firmware is the set of instructions for your PC. x) boots by loading EFI program files (with . You might see separate commands for the same May 24, 2021 · UEFI. In other words, an updated microcode can send different instructions to the circuits inside the CPU. Enable UEFI or disable CSM support depending on your system. Figure 2. The following diagram illustrates this process at a high level. Numbers Feb 19, 2023 · Turn on your system and repeatedly press the BIOS key to enter your motherboard’s BIOS. View the What is a UEFI Plugfest video. UEFI is functioning over the network, making it possible to perform configuration or debugging remotely. For example, select UEFI: USB Drive or BIOS: Network/LAN. Dec 14, 2023 · These applications can utilize UEFI drivers and services. Faster boot and resume times. 7. There I said it. Mar 22, 2023 · UEFI stands for Unified Extensible Firmware Interface. Difference Between UEFI and Legacy Boot – Comparison of Key Differences. It initializes the hardware and loads the running device into the memory. Jul 13, 2023 · Completely power down the computer ( hold the power button for at least five seconds to turn off the computer), and then turn it on. UEFI असल में एक interface होता है जो की load होता है boot sequence के पहले में और ये प्रदान करता है custom O Unified Extensible Firmware Interface ( UEFI ), em português Interface Unificada de Firmware Extensível, é uma especificação que define uma interface de software entre o sistema operacional e o firmware da plataforma. UEFI is a modern standard that supports the latest hardware components with newer technologies, like TPM. It minimizes the number of devices required to begin the boot process. Learn what UEFI is, how it differs from BIOS, and how to access it on Windows and Linux computers. efi filename extensions) from a partition on the hard disk, known as the EFI System Partition (ESP). UEFI (Unified Extensible Firmware Interface) may accept discs with a capacity of 2. However, this shift can pose compatibility […] Mar 23, 2023 · UEFI is a general framework for boot loaders based on a standard UEFI specification, which describes a standard environment and set of interfaces for platform firmware that allows operating systems to boot. As opposed to BIOS (basic input/output system), which has limitations Jan 11, 2018 · 22. For best compatibility, using the FAT32 filesystem is highly recommended. 1. When you turn on your computer, the UEFI boot manager is loaded first. Therefore there is no need for this specification to define the exact meaning of this bit. However, one important side effect of disabling CSM is that it'll allow certain UEFI-only features to be activated (such as "fast USF architecture allows: Firmware development complexity. Aug 23, 2018 · UEFI (Unified Extensible Firmware Interface), also called UEFI BIOS, is the most common form of one of two different types of motherboard firmware (the other Jul 24, 2020 · The UEFI is a newer specification that defines how the hardware and software communicate within a computer system. Your computer will reboot into the boot options menu. Feb 8, 2023 · All require UEFI firmware. Dec 15, 2021 · Select Troubleshoot > Advanced options > UEFI Firmware settings. The UEFI network stack enables implementation on a richer network-based OS deployment environment while still Dec 13, 2023 · The trick is to keep attackers from getting access to the EFI System Partition (ESP) in the first place. about this. UEFI Specification 2. Configure Surface UEFI security settings. Done. The UEFI specification is available at UEFI. It has an interface for modules to access these file systems. Apr 2, 2024 · UEFI (Unified Extensible Firmware Interface) is a newer standard that replaces the legacy BIOS. ). Apr 23, 2024 · Booting from a USB or CD/DVD drive can be tricky depending on your computer's BIOS / UEFI setup. 6. To change these settings, you will need to switch the PC boot mode from one enabled as “Legacy” BIOS (also known as “CSM” Mode) to UEFI/BIOS (Unified Extensible Firmware Interface). By contrast, EFI (or UEFI, which is just EFI 2. In most cases, you will see “UEFI” next to it. Mar 23, 2023 · UEFI is a general framework for boot loaders based on a standard UEFI specification, which describes a standard environment and set of interfaces for platform firmware that allows operating systems to boot. Even though Intel PCs are transitioning from traditional BIOS to UEFI firmware, Apple Mac PCs have never utilized BIOS. Jun 19, 2012 · Figure 8- 4: TPM Block Diagram (Zimmer, Dasari, & Brogan, 2009) Each of these components, or component groups, plays an important UEFI support role. Join a legacy or start your own. ”. From the firmware menus, boot to a drive or network while in UEFI or BIOS mode: On the boot device menu, select the command that identifies both the firmware mode and the device. It can access file systems. Key Terms. The USF specifications are evolving and open for industry contribution and feedback. UEFI Forum’s new Industry Resources page features presentations, articles and other collateral from thought leaders in firmware and platform security. If it says “previous version,” you know that UEFI. But what is UEFI/BIOS, do you know the main difference between UEFI and BIOS? This article will hopefully help you understand UEFI vs. so lm us fz hn kp rc gu us wf