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22 Cards in this Set
- Front
- Back
- 3rd side (hint)
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BIOS |
Basic input /output services |
Basic |
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ROM |
Read only Memory |
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CMOS |
Complimentary Metal-Oxide semiconductor |
Complimentary |
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Major Naysayers of BIOS |
-American Magatrends -Phoenix Technologies *Award Software |
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Types of BIOS |
-Legacy textbased BIOS -UEFI (Unified Extension Firmware Interface) |
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UEFI Features |
-Supports file sytems that boot to larger drives 2.2TB + -Supports 32 bit & 64 bit booting -Handles all boot loading sequences -Is not dependent on x86 firmware |
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Common BIOS/CMOS key combinations for access at boot |
-Delete -ESC -F1 -F2 -CTRL-ALT-ESC -CTRL-ALT-INS -CTRL-ENTER -CTRL-S |
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BIOS Secure Options |
-Secure Boot -Chassis Intrusion/Detection -Drive Lock -Lojack Trusted Platform Module |
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Secure Boot |
Secures the boot process by requiring properly signed software |
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Security Features for BIOS |
-Admin Password: Secures acces to the BIOS/CMOS -User Password: Secures acces to the initiation to the OS |
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Chassis/intrusion |
Setting on MB and case to minitor removal od the outer case. |
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Drivelock |
The ability to lock harddrive access incase of stolen computer |
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Lojack |
Tracking of Computer location |
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Trusted Platform Module |
Separate hardware addition capable of adding a variety of encryption per cryptographic options. |
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Option ROM |
Hardware with integrated BIOS |
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Device Drivers |
a file sorted on the harddrive that contains all of the commands necessary to talk to the device. |
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POST |
Power On Self Test
Beep Codes -Long beep followed by sorry beeps (bad video) -Continuous beep(bad RAM) |
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POST cards |
Identifies which stage of the boot process has failed. |
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Boot Process |
Power Good CPU Bootstrap Loader Boot sector OS |
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Reseting CMOS |
-Acces CMOS and reset to default/optimized settings -Accessing MB and changing shunt to reset. |
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Troubleshooting CMOS |
Bad battery issues -CMOS configuration issues -CMOS date/time not set -BIOS time and settings reset -No big device available -CMOS battery state low Common issues -pulling and inserting cards -touching the MB -Doing something on the MB -Faulty power supplies -Electrical surges |
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Flash ROM |
Flash ROM chips can be reprogrammed to update their contents |
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