post卡使用（国外英文资料）.docVIP

post卡使用（国外英文资料） Motherboard diagnostic card also called POST (Power On Self Test plus electricity self-inspection), its working principle is to use the motherboard BIOS internal Test results of the program, through the motherboard diagnostic card code displayed, combination of diagnosis card code meaning quick table can quickly know computer fault. Especially if the PC is not able to boot the operating system, black screen, and the trumpet is not called, the use of this card is more convenient and more effective. Each time the motherboard BIOS boot, the circuit of the system, memory, keyboard, video part, hard disk, floppy disk, and other components: strict test, system configuration, and analyze the hard disk to the configured the basic I/O setting is initialized, after everything is ok, to guide the operating system. Its salient features based on whether the cursor line, first to test of critical components, key component failure forced into machine downtime, display the cursor, the screen without any response. Then, testing non-critical parts, such as a faulty machine, continues to run, and the display displays error messages when the machine fails. When a computer is a key fault, no display on the screen, it is difficult to judge the computer failure, at this time to insert the card expansion slot, according to the code shown on the card, with reference to the computers BIOS types, again through the motherboard diagnostic card code meaning quick table find out what the code says the cause of the problem and the location, can clearly know the problems. Motherboard diagnostic cards function is very strong, the ability to report errors is much higher than the BIOS itself through the bells ability to report errors, computer enthusiasts is suitable for personal use, can also be suitable for the motherboard repair industry. Diagnosis card also called POST (Power On Self Test), its working principle is to use the motherboard BIOS internal Test results of the program, t