Firmware Flashcards

1
Q

BIOS stand for?

A

Basic Input Output System/Services

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2
Q

What is POST?

A

Power On Self Test. Diagnostic test of hardware before the OS attempted to boot.

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3
Q

What does BIOS allow you to do?

A

Interact with the Motherboard before the OS loads.

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4
Q

What is Firmware?

A

Data stored on a non volatile media.

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5
Q

What is a signal that POST has passed?

A

1 beep.

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6
Q

What are beep codes?

A

Error codes that take place before or if there is a GPU error. Requires a speaker connected to the motherboard.

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7
Q

If POST fails after GPU test how is this signaled?

A

On screen or on POST card.

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8
Q

What is a POST card?

A

A 2 digit display that displays an error code relevant to that specific motherboard which can be decoded by the manual. Built on to the motherboard or inserted into and expansion slot.

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9
Q

What is UEFI?

A

Unifed Extensible Firmware Interface. An updated version of BIOS.

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10
Q

What allows interaction with the Motherboard before the OS loads.

A

BIOS. Basic Input Output System.

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11
Q

Data stored on a non volatile media is called what?

A

Firmware

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12
Q

What is the following called?

Error codes that take place before or if there is a GPU error. Requires a speaker connected to the motherboard.

A

What are beep codes?

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13
Q

What is the following called?

A 2 digit display that displays an error code relevant to that specific motherboard which can be decoded by the manual. Built on to the motherboard or inserted into and expansion slot.

A

POST card.

(Power On Self Test)

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14
Q

What physical interface is used in the BIOS to make changes?

A

Mouse and keyboard.

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15
Q

How do we access the UEFI BIOS?

A

Designated button that deffers with brands.

F10, F2, F12, F1, or DEL are common.

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16
Q

How is BIOS updated?

A

By flashing.

17
Q

How often is BIOS flashed?

A

Only when needed.

18
Q

What is System Setup?

A

A part of a BIOS that allows custom configuration of settings such as CPU frequencies, RAM timing and speeds, BIOS passwords, boot options and more.

19
Q

What is Flashing?

A

Updating the flash chip ROM for BIOS updates.

20
Q

What is part of a BIOS that allows custom configuration of settings such as CPU frequencies, RAM timing and speeds, BIOS passwords, boot options and more called?

A

System Setup.

21
Q

CMOS meaning?

A

Complementary Metal Oxide Semiconductor.

22
Q

RTC meaning?

A

Real Time Clock.

23
Q

What keeps the RTC going whilst power isn’t provided?

A

CMOS battery.

24
Q

What is the CMOS battery for?

A

To keep the RTC going as well as to ensure BIOS settings are saved.

25
Q

Where do we setup boot order?

A

System set up in BIOS,

26
Q

What’s required for Flashing?

A

Good power such as uninterruptiblepower supply.

The BIOS flash image (update file)

Know why you are flashing and that it is needed.

27
Q

Common reasons for flashing are?

A

To fix bugs or allow new tech.

28
Q

What is the common CMOS battery?

A

2032

29
Q

BIOS programs that make hardware functional?

A

Services

30
Q

Which persmissions level and password enables the system to boot to OS?

A

User / User password.

31
Q

Which permissions level and password allows to boot into the system setup?

A

Admin / Admin password.

32
Q

How do you clear bad settings from an unbootable system?

A

In UEFI BIOS reset defaults in system setup.

Use the CMOS jumper on board whilst system is shutdown.