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Microcomputers Chapter 3
PC Repair Fundamentals
15
Computer Science
Undergraduate 2
10/09/2009

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Cards

Term
POST
Definition
Power On Self Test
Term
Recovery CD
Definition
Can be used to boot a system and repair or reinstall the Windows operating system.
Term
loop-back plug
Definition
used to test a serial, parallel, USB, network or other port.
Term
Material Safety Data Sheet
Definition
Explains how to properly handle substances such as chemical solvants
Term
FFFF0h
Definition
Memory Address always assigned to the first instruction in the ROM BIOS startup program
Term
If the system is booting from a cold boot, what is tested
Definition
the first 16KB of RAM
Term
Where is the Master Boot Record Located on the hard disk
Definition
In the outermost track
Term
partition table
Definition
contains a map to the partitions on the hard drive
Term

POST code:

Code in the 100 range

Definition
Motherboard errors.
Term

POST code:

Code in the 200 range

Definition
RAM errors. Troubleshooting RAM is covered in Chapter 7
Term

POST code:

Code in the 300 range

Definition
Keyboard errors. Verify the keyboard is plugged in or try a known good keyboard
Term

POST Code

Code in the 500 range

Definition
Video controller errors. The video card might need replacing.
Term

POST Error:

Code in the 600 or 7300 range

Definition
Floppy drive error. Verify CMOS setup has the floppy drive configured correctly.
Term
Extractor
Definition
a spring-loaded device that looks like a hypodermic needle
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