Сигналы биос один короткий. Звуковые коды BIOS. Что представляет собой BIOS

• Проверьте и при необходимости включите соответствующее оборудование.
• Если в системе несколько планок оперативки, выньте их, очистите от пыли разъём, протрите контакты мягким ластиком и попробуйте поочерёдно вставить на место. С исправной планкой ПК загрузится, с неисправной - снова издаст сигнал ошибки.

• Попробуйте сбросить настройки Биоса специальной перемычкой на материнке.

• Выньте из материнки все платы, кроме видеокарты, и вставляйте обратно по очереди, выявляя таким образом проблемную.
• Обнулите настройки Биоса.

• Если вы недавно приобрели новый процессор, убедитесь, что он совместим с вашей материнской платой.

• Удалите дискретную видеокарту и загрузите ПК со встроенной. Если загрузка прошла нормально - замените дискретную видеокарту.

• Проверьте модули оперативной памяти способами, указанными выше.
• Оцените напряжения на БП с помощью вольтметра, проверьте внутреннее состояние. Если не обладаете нужными знаниями - просто отнесите блок питания в специализированный центр.

• Проверьте правильность подключения процессора к материнке.
• Снимите кулер и сам процессор, тщательно очистите их от пыли, проверьте все штырьки и контакты. При необходимости смените термопасту. Установите процессор обратно и проверьте правильность его подключения.
• Если вы недавно приобрели новый процессор, убедитесь, что он совместим с вашей материнкой.

• Вытащите оперативную память, прочистите от пыли, протрите контакты ластиком и вставьте на место.
• Обнулите настройки Биоса до стандартных.

• Выньте из материнки все платы, оставив только видеокарту, и вставляйте обратно по очереди, выявляя таким образом проблемную.
• Замените батарейку Биоса на новую.
• Обнулите настройки Биоса.
• Обновите Биос (лучше всего в специализированном центре).

• Достаньте видеокарту из материнки, очистите от пыли, протрите контакты мягким ластиком и верните на место.
• Извлеките дискретную видеокарту и загрузите ПК со встроенной. Если загрузка прошла нормально - замените дискретную видеокарту.

• Выньте видеокарту из материнки, очистите от пыли, протрите контакты мягким ластиком и верните на место.
• Извлеките дискретную видеокарту и загрузите ПК со встроенной.

• Проблемы с блоком питания;
• Проблемы с RAM (ОЗУ)

Error Message

Description

System is booting properly

BIOS ROM checksum error

The contents of the BIOS ROM to not match the expected contents. If possible, reload the BIOS from the PAQ

Check the video adapter and ensure it"s seated properly. If possible, replace the video adapter

7 beeps (1 long, 1s, 1l, 1 short, pause, 1 long, 1 short, 1 short)

The AGP video card is faulty. Reseat the card or replace it outright. This beep pertains to Compaq Deskpro systems

1 long neverending beep

Reseat RAM then retest; replace RAM if failure continues

Error Message

Description

System is booting properly

Initialization error

Error code is displayed

System board error

Video adapter error

EGA/VGA adapter error

3270 keyboard adapter error

Power supply error

Replace the power supply

Power supply error

Replace the power supply

Replace the power supply

Beeps/Error

Description

Continuous beeping

System board failure

One beep; Unreadable, blank or flashing LCD

LCD connector problem; LCD backlight inverter failure; video adapter faulty; LCD assembly faulty; System board failure; power supply failure

One beep; Message "Unable to access boot source"

Boot device failure; system board failure

One long, two short beeps

System board failure; Video adapter problem; LCD assembly failure

One long, four short beeps

Low battery voltage

One beep every second

Low battery voltage

Two short beeps with error codes

POST error message

System board failure

Beep error code:

Action / Run diagnosics on the following components:

Error Message

Description

System is booting normally

Video adapter error

The video adapter is either faulty or not seated properly. Check the adapter

Keyboard controller error

The keyboard controller IC is faulty. Replace the IC if possible

The keyboard controller IC is faulty or the keyboard is faulty. Replace the keyboard, if problem still persists, replace the keyboard controller IC

The programmable interrupt controller is faulty. Replace the IC if possible

The programmable interrupt controller is faulty. replace the IC if possible

DMA page register error

The DMA controller IC is faulty. Replace the IC if possible

RAM refresh error

RAM parity error

DMA controller 0 error

The DMA controller IC for channel 0 has failed

The CMOS RAM has failed

DMA controller 1 error

The DMA controller IC for channel 1 has failed

CMOS RAM battery error

The CMOS RAM battery has failed. If possible, replace the CMOS or battery

CMOS RAM checksum error

The CMOS RAM has failed. If possible, replace the CMOS

BIOS ROM checksum error

The BIOS ROM has failed. If possible replace the BIOS or upgrade it

Error Message

Description

System is booting normally

Video adapter failure

Either the video adapter is faulty, not seated properly or is missing

1 long, 1 short, 1 long

Keyboard controller error

Either the keyboard controller IC is faulty or the system board circuitry is faulty

1 long, 2 short, 1 long

Either the keyboard controller is faulty or the system board circuitry is faulty

1 long, 3 short, 1 long

1 long 4 short, 1 long

The programmable interrupt controller IC is faulty

1 long, 5 short, 1 long

DMA page register error

The DMA controller IC 1 or 2 is faulty or the system board circuitry is faulty

1 long, 6 short, 1 long

RAM refresh error

1 long, 7 short, 1 long

1 long, 8 short, 1 long

RAM parity error

1 long, 9 short, 1 long

DMA controller 1 error

The DMA controller for channel 0 is faulty or the system board circuitry is faulty

1 long, 10 short, 1 long

Either the CMOS RAM is faulty. Replace the CMOS

1 long, 11 short, 1 long

DMA controller 2 error

The DMA controller for channel 1 is faulty or the system board circuitry is faulty

1 long, 12 short, 1 long

CMOS RAM battery error

The CMOS RAM battery is faulty or the CMOS RAM is bad. Replace the battery if possible

1 long, 13 short, 1 long

CMOS checksum error

The CMOS RAM is faulty

1 long 14 short, 1 long

BIOS ROM checksum failure

The BIOS ROM checksum is faulty. Replace the BIOS or upgrade

Error Message

Description

CPU test failure

The CPU is faulty. Replace the CPU

System board select failure

The motherboard is having an undetermined fault. Replace the motherboard

CMOS read/write error

The real time clock/CMOS is faulty. Replace the CMOS if possible

Extended CMOS RAM failure

The extended portion of the CMOS RAM has failed. Replace the CMOS if possible

BIOS ROM checksum error

The BIOS ROM has failed. Replace the BIOS or upgrade if possible

The programmable interrupt timer has failed. Replace if possible

DMA read/write failure

The DMA controller has failed. Replace the IC if possible

RAM refresh failure

The RAM refresh controller has failed

64KB RAM failure

The test of the first 64KB RAM has failed to start

First 64KB RAM failure

The first RAM IC has failed. Replace the IC if possible

First 64KB logic failure

The first RAM control logic has failed

Address line failure

The address line to the first 64KB RAM has failed

Parity RAM failure

The first RAM IC has failed. Replace if possible

EISA fail-safe timer test

Replace the motherboard

EISA NMI port 462 test

Replace the motherboard

64KB RAM failure

Bit 0; This data bit on the first RAM IC has failed. Replace the IC if possible

64KB RAM failure

Bit 1; This data bit on the first RAM IC has failed. Replace the IC if possible

64KB RAM failure

Bit 2; This data bit on the first RAM IC has failed. Replace the IC if possible

64KB RAM failure

Bit 3; This data bit on the first RAM IC has failed. Replace the IC if possible

64KB RAM failure

Bit 4; This data bit on the first RAM IC has failed. Replace the IC if possible

64KB RAM failure

Bit 5; This data bit on the first RAM IC has failed. Replace the IC if possible

64KB RAM failure

Bit 6; This data bit on the first RAM IC has failed. Replace the IC if possible

64KB RAM failure

Bit 7; This data bit on the first RAM IC has failed. Replace the IC if possible

64KB RAM failure

Bit 8; This data bit on the first RAM IC has failed. Replace the IC if possible

64KB RAM failure

Bit 9; This data bit on the first RAM IC has failed. Replace the IC if possible

64KB RAM failure

Bit 10; This data bit on the first RAM IC has failed. Replace the IC if possible

64KB RAM failure

Bit 11; This data bit on the first RAM IC has failed. Replace the IC if possible

64KB RAM failure

Bit 12; This data bit on the first RAM IC has failed. Replace the IC if possible

64KB RAM failure

Bit 13; This data bit on the first RAM IC has failed. Replace the IC if possible

64KB RAM failure

Bit 14; This data bit on the first RAM IC has failed. Replace the IC if possible

64KB RAM failure

Bit 15; This data bit on the first RAM IC has failed. Replace the IC if possible

Slave DMA register failure

The DMA controller has failed. Replace the controller if possible

Master DMA register failure

The DMA controller had failed. Replace the controller if possible

Master interrupt mask register failure

Slave interrupt mask register failure

The interrupt controller IC has failed

Interrupt vector error

The BIOS was unable to load the interrupt vectors into memory. Replace the motherboard

Keyboard controller failure

CMOS RAM power bad

Replace the CMOS battery or CMOS RAM if possible

CMOS configuration error

The CMOS configuration has failed. Restore the configuration or replace the battery if possible

Video memory failure

There is a problem with the video memory. Replace the video adapter if possible

Video initialization failure

There is a problem with the video adapter. Reseat the adapter or replace the adapter if possible

The system"s timer IC has failed. Replace the IC if possible

Shutdown failure

The CMOS has failed. Replace the CMOS IC if possible

Gate A20 failure

The keyboard controller has failed. Replace the IC if possible

Unexpected interrupt in protected mode

This is a CPU problem. Replace the CPU and retest

RAM test failure

System RAM addressing circuitry is faulty. Replace the motherboard

Interval timer channel 2 failure

The system timer IC has failed. Replace the IC if possible

Time of day clock failure

The real time clock/CMOS has failed. Replace the CMOS if possible

Serial port failure

A error has occurred in the serial port circuitry

Parallel port failure

A error has occurred in the parallel port circuitry

Math coprocessor failure

The math coprocessor has failed. If possible, replace the MPU

Description

Verify real mode

Initialize system hardware

Initialize chipset registers with initial values

Set in POST flag

Initialize CPU registers

Initialize cache to initial values

Initialize power management

Load alternative registers with initial POST values

Jump to UserPatch0

Initialize timer initialization

8254 timer initialization

8237 DMA controller initialization

Reset Programmable Interrupt Controller

Test DRAM refresh

Test 8742 Keyboard Controller

Set ES segment register to 4GB

Clear 512K base memory

Test 512K base address lines

Test 51K base memory

Test CPU bus-clock frequency

CMOS RAM read/write failure (this commonly indicates a problem on the ISA bus such as a card not seated)

Reinitialize the chipset

Shadow system BIOS ROM

Reinitialize the cache

Autosize the cache

Configure advanced chipset registers

Load alternate registers with CMOS values

Set initial CPU speed

Initialize interrupt vectors

Initialize BIOS interrupts

Check ROM copyright notice

Initialize manager for PCI Options ROMs

Check video configuration against CMOS

Initialize PCI bus and devices

initialize all video adapters in system

Shadow video BIOS ROM

Display copyright notice

Display CPU type and speed

Set key click if enabled

Test for unexpected interrupts

Display prompt "Press F2 to enter setup"

Test RAM between 512K and 640K

Test expanded memory

Test extended memory address lines

Jump to UserPatch1

Configure advanced cache registers

Enable external and CPU caches

Initialize SMI handler

Display external cache size

Display shadow message

Display non-disposable segments

Display error messages

Check for configuration errors

Test real-time clock

Check for keyboard errors

Setup hardware interrupt vectors

Test coprocessor if present

Disable onboard I/O ports

Detect and install external RS232 ports

Detect and install external parallel ports

Reinitialize onboard I/O ports

Initialize BIOS Data Area

Initialize Extended BIOS Data Area

Initialize floppy controller

Initialize hard disk controller

Initialize local bus hard disk controller

Jump to UserPatch2

Disable A20 address line

Clear huge ES segment register

Search for option ROMs

Shadow option ROMs

Setup power management

Enable hardware interrupts

Scan for F2 keystroke

Clear in-POST flag

Check for errors

POST done - prepare to boot operating system

Check password (optional)

Clear global descriptor table

Clear parity checkers

Check virus and backup reminders

Try to boot with INT 19

Interrupt handler error

Unknown interrupt error

Pending interrupt error

Initialize option ROM error

Extended Block Move

Shutdown 10 error

Keyboard Controller failure (most likely problem is with RAM or cache unless no video is present)

Initialize the chipset

Initialize refresh counter

Check for Forced Flash

Do a complete RAM test

Do OEM initialization

Initialize interrupt controller

Read in bootstrap code

Initialize all vectors

Initialize the boot device

Boot code was read OK

Error Messages

Description

System is booting normally

The CMOS RAM is faulty. Replace the IC if possible

The video adapter is faulty. Reseat the video adapter or replace the adapter if possible

Peripheral controller error

One or more of the system peripheral controllers is bad. Replace the controllers and retest