CompTIA A+ Notes

Lesson 3

Boot Order PXE booting (”Pixie”) Network booting Sometimes disabled by default Enabling/Disabling Devices Input/Output Devices Wake on Land Remote startup Date/Time CPU clock speed Virtualization [view]

By: biochemwarfare | Related Lesson: Configurations | Modified: June 15, 2016

1

1. Determine Current BIOS version 2. Find update of BIOS on vendor’s site. 2.1. Download the current version and the updated version so that if flashing goes buggy we can revert it back to the original current version. 3. Secure Power 4. Read m [view]

By: Ahmed Rasool | Related Lesson: BIOS - Basic Input Output System | Modified: June 15, 2016

Determine bios version

bios = basic input/output system 1. the bios allow you to turn on the computer > select the operation system > and load some basic configuration msinfo32/dxdiag > check bios version and bios type 2. Find update  3. secure power > power [view]

By: mugwizrd | Related Lesson: BIOS - Basic Input Output System | Modified: June 15, 2016

Lesson 2

Seamoss? Battery Gives backup power to BIOS Saves information Displays information RAM Hard Drives Optical Drives (CDs, DVDs) CPU [view]

By: biochemwarfare | Related Lesson: BIOS: Component Information | Modified: June 15, 2016

Lesson 1

Bios Basic input output system Allows your computer to start small chip on the motherware controlled by Firmware A single piece of software that controls something a wrong update can crash computer Flashing = updating Proper update procedure [view]

By: biochemwarfare | Related Lesson: BIOS - Basic Input Output System | Modified: June 15, 2016

Security

-Supervisor Password / User Password -Lojac (locate computer for example) -TPM (encrypt passwords ) [view]

By: l3r050th | Related Lesson: Security | Modified: June 15, 2016

jumpers

pci [view]

By: kasham | Related Lesson: Jumpers & Power Connectors | Modified: June 15, 2016

Diagnostics

Post (Power on Selftest) -> CPU & Post BIOS ROM -> System Timer -> Video Card -> Memory (RAM) -> Keyboard -> Disk drives if anyone of these are missing the motherboard may give us warning beeps the beeps are not consistent (each [view]

By: l3r050th | Related Lesson: Diagnostics | Modified: June 15, 2016

Configurations

change boot configuration (trivial) PXE booting (network booting) Things we can change I/O Devices  WOL (Wake on Lan) Date/Time CPU Clock Speed (advanced/ overclocking)  Virtualization (if it is offline you may cant run virtual machines on your com [view]

By: l3r050th | Related Lesson: Configurations | Modified: June 15, 2016

BIOS: Component Information

CMOS Memory contains every change in your BIOS (i. e. Changing the boot order) What does the BIOS? gives a lot of information startup -> F2 (for example) we can go into the BIOS Many Information of -the RAM  -Hard drive -optical drive (cd drive) [view]

By: l3r050th | Related Lesson: BIOS: Component Information | Modified: June 15, 2016

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