BIOS/UEFI 3.4 Flashcards
a method of configuring the motherboard using a text-based interface
Basic input / Output System (BIOS)
Software on a chip and contains BIOS program code in the flash memory of a memory
Firmware
An updated form of BIOS that allows keyboard and mouse as input and provides a GUI
Unified Extensible Firmware Interface (UEFI)
Type of chip embedded in the motherboard and can be upgraded through flashing
Reading only memory (ROM)
Diagnostic testing sequence to check the computer’s basic input / output system
Power on Self Test(POST)
Performed during upgrades, security fixes, or feature improvements
Flashing
Computers that rely on BIOS & UEFI to hold the boot info
BIOS/UEFI Security
Used to protect access to the BIOS / UEFI configuration program and prevents access from unauthorized users
Supervisor / Administrator / Setup Password
Used to lock access to the computer
User / System Password
Password that locks access to a hard drive connected to the system and requires the end user’s password
Storage / Hard drive password
Enabled in the UEFI interface and settings and is not supported by Bios
Secure Boot
a special type of malware
Root Kit
Cryptographic module embedded in a computer system that endorses trusted execution and attests to boot settings and metrics
Hardware Root of Trust (RoT)
Appliance for generating and storing cryptographic keys that is less susceptible to tampering and insider threats
Hardware security Module (HSM)
Specification for hardware-based storage of digital certificates, keys, hashed passwords, and other user and platform identification info
Trusted Platform Module (TPM)
ability to configure fans
BIOS / UEFI Cooling Options
Reduces the fan speed and allows higher temperatures to occur
Quiet mode
Normal setting on most computers by default
Balanced mode
able to run the fans harder and faster to create more air flow
cool mode
___ last up to 10 years
Lithium-ion battery
___ are used as a way to tell what is wrong with the system
Variable beeps
2 short beeps and 1 long beep means
Keyboard is not detected
The BIOS has a ___ which allows to take input and give output to the basic components
low level OS
To ___ the settings inside CMOS, enter the BIOS configuration environement
Configure
the common keys to configure are
F2, Delete, escape, F1, F10, F12
BIOS relied on a ___ and a keyboard as its system of input
text-based menu system
Computers that rely on ___ use MBR to hold the boot information
BIOS
Computers that rely on ___ use GPT to hold the boot information
UEFI
