It is one of the compulsory classes that appear in that part of the hardware through the BIOS error printed sound.
POST (Power On Self Test), the default program that must be performed each time the boot is turned on. When the computer hardware has problems, the machine's charging self-test program POST issues some prompt information from the PC speaker to help users confirm the fault. Based on this prompt, most of the user can determine the generated component and find the solution, the following is the error information and fault location represented by the ring code.
Ami BIOS
1 short memory refresh failed
2 short memory ECC calibration error
3 short system basic memory (1st 64K) check failed
4 short system clock error
5 Short Central Processor (CPU) error
6 short keyboard controller error
7 Short system real mode error, can not switch to protection mode
8 short display memory errors (display memory may be damaged)
9 short ROM BIOS inspection and error
1 length 3 short memory error (memory damage, please replace)
1 length 8 short display test error (display data cable loose or display card is not stable)
Award BIOS
1 short system starts normally
2 short regular errors, please enter the CMOS setup to reset the incorrect option
1 length 1 short RAM or motherboard error
1 length 2 short display error (display or display card)
1 length 3 short keyboard controller error
1 length 9 short motherboard FlashRam or EPROM error (BIOS damage)
Continuously long-lived memory plugging unstable or damage
No power supply, display and display cards are not connected
Repeat short power failure
No sound without display power failure
Phoenix BIOS
1 short system starts normally
3 short system power-on self-test initialization (POST) failed
1 short 1 short 2 short motherboard error (the motherboard is damaged, please replace it)
1 short 1 short 3 short motherboard battery is dead or CMOS damage
1 short 1 short 4 short ROM BIOS verification error
1 short 2 short 1 short system real-time clock has problems
1 short 2 short 2 short DMA channel initialization failed
1 short 2 short 3 short DMA channel page register error
1 short 3 short 1 short memory channel refresh error (problem range is all memory)
1 short 3 short 2 short volume error (memory damage or RAS setting error)
1 short 3 short 3 short volume memory (most likely to be in the DIMM slot)
1 short 4 short 1 short volume memory error
1 short 4 short 2 short system basic memory (1st 64K) has parity error
1 short 4 short 3 short EISA bus timeout errors
1 short 4 short 4 short EISA NMI mouth error
2 short 1 short 1 short system basic memory (1st 64K) check failed
3 short 1 short 1 short first DMA controller or register error
3 short 1 short 2 short second DMA controller or register error
3 short 1 short 3 short interrupt processing register error
3 short 1 short 4 short sub-break processing register error
3 Short 2 short 4 short keyboard clock has problems, reset in C M OS to NOT Installed to skip POST
3 short 3 short 4 short display card R am error or no R A m, not fatal error
3 short 4 short 2 short display data cable loose or display card insertion or display card damage
3 short 4 short 3 short unfassed ROM BIOS
4 short 2 short 1 short system real-time clock error
4 short 2 short 2 short system startup error, CMOS is not properly or BIOS damage
4 Short 2 short 3 short keyboard controller (8042) is wrong, BIOS cannot switch to protection mode
4 short 2 short 4 short protection mode interrupt error
4 short 3 short 1 short memory error (memory corruption or RAS setting error)
4 short 3 short 3 short system second clock error
4 short 3 short 4 short real-time clock error
4 short 4 short 1 short serial port (COM port, mouse mouth) fault
4 short 4 short 2 short parallel port (LPT port, print port) error
4 short 4 short 3 short mathematics coordinator (8087, 80287, 80387, 80487) error
