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23 Cards in this Set
- Front
- Back
When does a Video Cards BIOS run?
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Usually before the system BIOS so it can intialize the video card
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What provides a PC its first instructions when booting up?
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The ROM BIOS
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Name 2 devices that have there own BIOS.
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Video Card, SCSI Adapters
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What hardware needs to be working to pass POST
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CPU
RAM VIDEO CARD |
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What does POST stand for?
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Power On Self Test
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Can the POST identify hardware that fails to start up?
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Yes
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Is there anything the POST can not identify?
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CPU and Memory if it fails
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Post codes in the 100's are related to?
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Errors in CMOS or BIOS
CMOS Battery Time and Date |
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Post codes in the 200's are related to?
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Bad System Memory
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Post codes in the 300's are related to?
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Fuctional Keyboard with no stuck keys
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Post codes in the 400's are related to?
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Paralell Port
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Post codes in the 600's are related to?
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Presnt and Functioning Floppy Drive
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Post codes in the 700's are related to?
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Math Coprocessor
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Post codes in the 1100's or 1200's are related to?
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Serial Port
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Post codes in the 1700's are related to?
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Hardrive
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Post codes in the 2400's are related to?
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Video Card present and support basic resolution
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Post codes in the 8600's are related to?
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Pointing Device
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What happens after POST?
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BIOS PnP consults ESCD to see if resources are available and needed
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What does ESCD do?
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ESCD provides PnP capability to PnP components
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Where in BIOS can you choose which device to boot the system?
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Advanced CMOS Settings
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What happens when the BIOS completes POST and PnP Setup?
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It reports status and turns over boot process to specified boot device
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What does ESCD Stand for?
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Extended System Configuration Data
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What is the boot sequence for a PC?
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CPU, Power Good, POST, Boot Loader, OS
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