SYSTEM COMPONENTS TESTOUT PC PRO Find and edit

SYSTEM COMPONENTS TESTOUT PC PRO

Find and edit BIOS settings Clear CMOS settings TESTOUT PC PRO

Unified Extensible Firmware Interface Replaces BIOS Improves software interoperability Improves address limitations Supports larger drives Supports 64 -bit firmware device drivers Is compatible with BIOS and UEFI hardware TESTOUT PC PRO

Electically Erasable Programmable Read-Only Memory Replaces CMOS chips Is non-volatile memory Replaces EPROM chips Used for the computer BIOS Updates the BIOS TESTOUT PC PRO

Read-Only Memory Persistent data Hundreds of little programs Programs let CPU communicate Programs are the BIOS TESTOUT PC PRO

Non-configurable devices Custom devices (option ROM, device drivers) TESTOUT PC PRO

Complementary Metal Oxide Semiconductor Provides RAM Is able to update parameters Gives configuration parameters to the BIOS Runs the system clock CMOS battery keeps the clock running TESTOUT PC PRO

TESTOUT PC PRO

TESTOUT PC PRO

TESTOUT PC PRO

Do the following labs: 3. 10. 7 Find BIOS/UEFI Settings 3. 10. 8 Clear CMOS Settings TESTOUT PC PRO

What are the functions of the BIOS? What is the role of CMOS? How does it differ from the BIOS? Why does the CMOS require a battery? What might be some common reasons for editing the CMOS settings? What determines the keystroke to open a CMOS editor? How can you find this information? What functions are performed in the POST process? TESTOUT PC PRO