Firmware

Question 1

BIOS

Answer 1

Basic Input Output services
• allows interaction with mobo before os loads
• used instead of drivers for the motherboard to communicate with built in devices
• code, firmware that is burned onto a chip

Question 2

Backup BIOS

Answer 2

Extra chip in case the first one is damaged

Question 3

POST

Answer 3

Power on self test
Internal diagnostic to make sure everything is ready to start up
Requests devices self check

Question 4

CMOS

Answer 4

Small battery powered memory chip that stores the BIOS settings

Question 5

Post beep

Answer 5

Let’s you know everything in computer is functioning and good for start up
• has different beeps if different things are wrong

Question 6

POST card

Answer 6

Plugs in and reads out the a code to let you know if and what is wrong
All codes are in the motherboard book

Question 7

UEFI

Answer 7

Unified extensible firmware interface
New more advanced BIAS
Replaces traditional 16 bit BIOS

Question 8

System setup

Answer 8

Change part of the BIAS
Place to make changes to CPU frequencies, RAM timing, BIOS password, boot options, and more

Question 9

PROM

Answer 9

Programmable read only memory

Question 10

Single flash ROM chip

Answer 10

Currently being used for firmware
Read only memory but it can be “flashed” reprogrammed

Question 11

RTC

Answer 11

Real time clock

Question 12

CMOS Battery

Answer 12

Powers RTC
If the battery dies all system information disappears

Question 13

Flashing the ROM

Answer 13

•updates the firmware on flash hip
• make sure you won’t lose power while doing it
•make sure you have a complete copy of the update
• make sure you know why you’re doing it
• ex sometimes needed for new cpu