BIOS Flashcards

1
Q

BIOS

A

Basic Input/Output Services

Contains POST and System Startup Utility (CMOS)

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2
Q

Firmware

A

Code that is burned onto a chip as opposed to software

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3
Q

POST

A

Power On Self Test

First thing that is executed by CPU on startup.

Broadcasts a “check if you have any issues” to hardware connected to the motherboard.

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4
Q

POST Beep Codes

A

A speaker on the motherboard that will have different beeps to “display” where the errors are.

“No RAM” beep code will continue until system is powered off

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5
Q

POST Cards

A

External system hardware, or sometimes built into a motherboard, that will display a 2 digit hexadecimal error code.

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6
Q

System Setup

A

Hold down a specific key to get to the System Setup menu before the OS boots

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7
Q

System Setup Settings

A

Boots Options, Firmware updates, Security settings, interface configuration, CPU overclocking features, Security (Passwords for before windows even starts)

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8
Q

UEFI

A

Unified Extensible Firmware Interface

Replaced traditional 16-bit BIOS in modern Systems

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9
Q

CMOS Battery

A

Used to supply the motherboard with the small power it needs, when the computer is offline, to keep extremely important things running. Like the RTC (real time clock)

A bad battery can wreck havoc on today’s systems

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10
Q

Flashing

A

Flashing the ROM (read-only memory) updates the firmware on flash chip that’s on your motherboard

Before doing this make sure you have Good Power and a Complete copy of the BIOS flash update file

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