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Анализ ошибок компьютера диагностической картой (POST-карта)
Введение
Карта называется POST (Power On Self Test - карта самотестирования). Отображает коды ошибок, при невозможности загрузки операционной системы или нет изображения на экране или нет звуков BIOS.

Когда питание подано, BIOS проводит точный тест схемы, памяти, клавиатуры, видеокарты, жёсткого диска, затем анализирует системную конфигурацию. После инициализации базовой системы ввода/вывода идёт загрузка операционной системы.
Диагностическая карта не будет отображать данные в следующих случаях:
1. Карта вставлена в материнскую плату без центрального процессора.
2. Когда горит диод RST LED.
Общее описание POST карты
  • Коды на карте отображаются в определённой последовательности
  • Код может быть не определён
  • Для различных производителей BIOS (AMI, Award, Phoenix), значения кодов различно. (Определение производителя BIOS)
  • Карту можно подключать к PCI и ISA слотам. Обычно коды начинаются с "00" до "FF" на PCI слоте. На некоторых материнских платах код может остановиться на "38"
  • На материнских платах коды ошибок BIOS постоянно обновляются, так что они могут отсутствовать в таблице.
  • На некоторых POST картах могут отсутствовать некоторые светодиоды.
  • Описание светящихся диодов:

    Светодиод
    Тип
    Описание
    RUN
    Мерцание
    Если светодиод горит, материнская плата включена, не имеет значения какие коды проходят
    CLK
    BUS CLOCK
    Горит когда питание подано на материнскую плату (обычно без процессора)
    BIOS
    Считывание BIOS
    Светодиод включается и выключается когда подаётся питание на материнскую плату, при чтении BIOS процессором
    IRDY
    Менеджер готов
    Светодиод включается и выключается когда есть сообщение
    OSC
    Мигание
    Загорается когда подано питание на материнскую плату, или если нет то кристалл колебательного контура сломан
    FRAME
    Период кадра
    Горит всё время. Включается и выключается когда есть сообщение
    RST
    Reset
    Загорается на пол секунды, когда нажимаете на кнопку включения или сброса. Если горит питание, то стоит проверить RESET (замыкает или сломан).
    12V
    Power
    Загорается единожды при включении, подаче питания, если не загорается это означает короткое замыкание на материнской плате или нет 12В.
    -12V
    Питание
    Тоже самое что и "12V"
    5V
    Питание
    Тоже самое что и "12V"
    -5V
    Питание
    Тоже самое что и "12V" (-5V только для ISA слота)
    3V3
    Питание
    Загорается при подаче питания (только PCI), где есть 3,3В. Если нет на материнской плате дежурного напряжения 3,3В - не загорается
    Алгоритм работы с POST картой
    Таблица кодов ошибок
    Код
    Award
    AMI
    Phoenix4.0 / Tendy3000
    00
    Code copying to specific areas is done/Passing control to INT 19h boot loader next.

    01
    Processor Test 1, Processor status (1FLAGS) verification. Test the following processor status flags: carry, zero, sign, overflow.

    The BIOS sets each flag, verifies they are set, then turns each flag off and verifies it is off.

    CPU is testing the register inside or failed, please change the CPU and check it.
    02
    Test All CPU Registers Except SS, SP, and BP with Data FF and 00

    Verify Real Mode
    03
    Disable NMI, PIE, AIE, UEI, SQWV

    Disable video, parity checking, DMA

    Reset math coprocessor

    Clear all page registers, CMOS shutdown byte

    Initialize timer 0, 1, and2, including set EISA timer to a known state

    Initialize DMA controllers 0 and 1

    Initialize interrupt controllers 0 and 1

    Initialize EISA extended registers
    Disable NMI, PIE, AIE, UEI, SQThe NMI is disabled. Next, checking for a soft reset or a power on condition
    Disable Non-Mask-able interrupt (NMI)
    04
    RAM must be periodically refreshed to keep the memory from decaying. This refresh function is working properly

    Get CPU type
    05
    Keyboard Controller initialization
    The BIOS stack has been built. Next, disabling cache mamory.
    DMA initialization in progress or failure
    06
    Reserved
    Uncompressing the POST code next.
    Initialized system hardware
    07
    Verifies CMOS is Working Correctly, Detects Bad Battery
    Next, initializing the CPU data area
    Disable shadow and execute code from the ROM
    08
    Early chip set initialization

    Memory presence test

    OEM chip set routines

    Clear low 64K memory

    Test first 64K memory
    The CMOS checksum calculation is
    Initialize chipset with with initial POST values
    09
    Cyrix CPU initialization

    Cach initialization

    Set IN POST flag
    0A
    Initialize first 120 interrupt vectors with SPURIOUS-INT-HDLR and initialize INT 00h-1Fh according to INT-TBL
    The CMOS checksum calculation is done. Linitializing the CMOS status register for date and time next
    Initialize CPU registers
    0B
    Test CMOS RAM Checksum. If bad, or INS Key Pressed, Load Defaults
    The CMOS status register is initialized. Next. Performing any requirect initialization before the keyboard BAT command is issued
    Enable CPU cach
    0C
    Detect Type of Keyboard Controller and

    Set NUM LOCK Status
    The keyboard controller input butter is free Next, issuing the BAT command to the keyboard controller
    Initialize caches to initial POST values
    0D
    Detect CPU Clock

    Read CMOS location 14h to find out type of video in use

    Detect and initialize video adapter


    0E

    Test Video Memory, write sign-on message to screen

    Setup shadow RAM? Enable shadew according to setup
    The keyboard controller BAT command result has been verified. Next, performing any necessary initialization after the keyboard controller BAT command test
    Initialize I/O component

    0F
    Test DMA Cont. 0; BIOS Checksum Test

    Keyboard Detect and initialization
    The initialization after the keyboard controller BAT command test is done. The keyboard command byte is written next
    Initialization the local bus IDE

    10
    Test DMA Controller 1
    Test DMA The keyboard controller command byte is written. Next, issuing the Pin 23 and 24 Blocking and unblocking command
    Initialize Power Management
    11
    Test DMA Page Registers
    Next, checking if "End" or "Ins" keys were pressed during power on. Initializing CMOS RAM in every boot AMIBIOS POST option was set in AMIBCP or the "End" key was pressed
    Load alternate registers with initial POST values
    12
    Reserved
    Next, disabling DMA controllers 1 and 2 and interrupt controllers 1 and 2
    Restore CPU control word during warm boot
    13
    Reserved
    The video display has been disabled. Port B has been initialized. Next, initializing the chipset
    initialize PCI Bus Mastering devices
    14
    Test 8254 Timer 0 Counter 2
    The 8254 timer test will begin next
    Initialize keyboard controller
    15
    Verify 8259 Channel 1 interrupts by Turning Off and On the interrupt Lines


    16
    Verify 8259 Channel 2 interrupts by Turning Off and On the interrupt Lines

    BIOS ROM checksum
    17
    Turn Off interrupts Then Verify No Interrupt Msk Register is On

    Initialize cach before memory Auto size
    18
    Force an interrupt and Verify the interrupt and Verify the interrupt Occurred

    8254 timer initialization
    19
    Test Stuck NMI Bits; Verify NMI Can Be Cieared

    The 8254 timer test is over. Starting the memory refresh test next
    1A
    Display CPU clock
    The memory refresh line is toggling. Checking the 15 second on/off time next
    8237 DMA controller initialization
    1B
    Reserved


    1C
    Reserved

    Reset Programmable interrupt Controller
    1D
    Reserved


    1E
    Reserved


    1F
    If EISA non-volatile memory checksum is good, execute EISA initialization

    If not, execute ISA tests an clear

    EISA mode flag

    Test EISA configuration memory

    Integrity (checksum & communication interface)


    20
    Initialize Slot O (System Board)

    Test DRAM refresh
    21
    Initialize Slot 1


    22
    Initialize Slot 2

    Test 8742 Keyboard Controller
    23
    Initialize Slot 3
    Reading the 8042 input port and disabling the MEGAKEY Green PC feature next. Making the BIOS code segment writable and performing any necessary configuration before initializing the interrupt vectors

    24
    Initialize Slot 4
    The configuration required before interrupt vector initialization has completed. Interrupt vector initialization is about to begin
    Set ES segment register to 4Gb
    25
    Initialize Slot 5
    Interrupt vector initialization is done. Clearing the password if the POST DIAG awitch is on

    26
    1. test the exeptional situation of protected of protected mode, check the memory of cpu and mainboard.
    2. no fateful trouble, VGA displayed normally. If nonfateful trouble occurred, then display error message in VGA otherwise boot operating system, and code "26" is OK code, no any other codes to display
    1. read/write input, output port of 8042 keyboard; ready for revolve mode, continue to get ready for initialization of all data, check the 8042 chips on mainboard.

    2. refere to the left
    1. enable A20 adress line, check the A20 pins of memory controlling chips, and check circuit, correlated to pins, in memory slot, may be A20 pin and memory pins are not in contact, or memory A20 pins bad.

    2. refere to the left
    27
    Initialize Slot 7
    Any initialization before setting the video mode will be done next

    28
    Initialize Slot 8
    Initialization before setting the video mode is complete. Configuring the monochrome mode and color mode settings next
    Auto size DRAM
    29
    Initialize Slot 9

    Initialize POST Memory Manager
    2A
    Initialize Slot 10
    Initializing the different bus system, static, and output devices, if present
    Clear 512 KB base RAM
    2B
    Initialize Slot 11
    Passing control to the video ROM to perform any required configuration before the video ROM test

    2C
    Initialize Slot 12
    All necessary processing before passing control to the video ROM is done. Looking for the video ROM next and passing control to it
    RAM failure on address line xxx*
    2D
    Initialize Slot 13
    The video ROM has returned has returned control to BIOS POST Performing any required processing after the video ROM had control

    2E
    Initialize Slot 14
    Completed pest-video ROM test processing. If the EGA/VGA controller is not found, performing the display memory Read/write test next
    RAM failure on data bits Xxxx* of low byte of memory bus
    2F
    Initialize Slot 15
    The EGA/VGA controller was not found. The display memory read/write test is about to begin
    Enable cach before system BIOS shadow
    30
    Size Base Memory From 256K to 640K and Extended Memory Above 1MB
    The display memory read/write test passed. Look for retrace checking next

    31
    Test Base Memory From 256K to 640K and Extended Memory Above 1MB
    The display memory read/write test or retrace checking failed. Performing the alternate display memory read/write test next

    32
    If EISA Mode, Test EISA Memory Found in Slots initialization
    The alternate display memory read/write test passed. Looking for alternate display retrace checking next
    Test CPU Bus-clock frequency
    33
    Reserved

    Initialize Phoenix Dispatch manager
    34
    Reserved
    Video display checking is over. Setting the display mode next

    35
    Reserved


    36
    Reserved

    Warm start and shut down
    37
    Reserved
    The display mode is set. Displaying the power on message next

    38
    Reserved
    Initializing the bus input, IPL, general device next, if present
    Shadow system BIOS ROM
    39
    Reserved
    Displaying bus initialization error messages

    3A
    Reserved
    The new cursor position has been read and saved. Displaying the Hit "Del" message next
    Auto size cach
    3B
    Reserved
    The Hit "Del" message is displayed. The protected mode memory test is about to start

    3C
    Setup Enabled

    Advanced configuration of chipset registers
    3D
    Detect if mouse is present, initialize mouse, install interrupt vectors

    Load alternate registers with CMOS values
    3E
    Initialize cache controller


    3F
    Reserved


    40
    Display virus protect. Disable or Enable
    Preparing the descriptor tables next

    41
    Initialize Floppy Disk Drive Controller and any drives

    Initialize extended memory for RomPilot
    42
    Initialize Hard Drive Controller and any drives
    The descriptor tables are prepared. Enteling protected mode for the memory test next
    Initialize interrupt vectors
    43
    Detect and initialize Serial & Parallel Ports and Game Port
    Entered protected mode. Enabling interrupts for diagnostics mode next

    44
    Reserved
    Interrupts enabled if the diagnostics switch is on. Initializing data to check memory wraparound at 0:0 next

    45
    Detect and initialize math coprocessor
    Data initialized. Checking for memory wraparound at 0: 0 and finding the total system memory size next
    POST device initialization
    46
    Reserved
    The memory wraparound test is done. Memory size calculation has been done. Writing patterns to tset memory next
    Check ROM copyright notice
    47
    Reserved
    The memory pattern has been to extended memory. Writing patterns to the base 640 KB memory
    Initialize 120 support
    48
    Reserved
    Patterns written in base memory. Determining the amount of memory below 1MB next
    Check video configuration against CMOS
    49
    Reserved
    The amount of memory below 1MB has been found and verified. Determining the amount of memory above 1 MB memory next
    Initialize PCI bus and devices
    4A
    Reserved

    Initialize all video adapters in system
    4B
    Reserved
    The amount of memory above 1MB has been found and verified. Checking for a soft reset and clearing the memory below 1MB for the soft reset next. If this is a power on situation, going to checkpoint 4Eh next
    QuletBoot start (optional)
    4C
    Reserved
    The memory below 1MB has been cleared via a soft reset. Clearing the memory above 1MB next
    Shadow video BIOS ROM
    4D
    Reserved
    The memory above 1MB has been cleared via a soft reset. Saving the memory size next. Going to checkpoint 52h next

    4E
    Reboot if Manufacturing Mode; if not, Display Messages and Enter Setup
    The memory test started, but not as the result of a soft reset. Displaying the first 64KB memory size next
    Display BIOS copyright notice
    4F
    Ask Password Security (Optional)
    The memory size display has started. The display is updated during the memory test. Performing the sequential and random memory test next
    Initialize MultiBoot
    50
    Write All CMOS Values Back to RAM and Clear
    The memory below 1MB has been tested and initialized. Adjusting the displayed memory size fot relocation and shadowing next
    Display CPU type and speed
    51
    Enable Parity Checker. Enable NMI, Enable Cache Before Boot
    The memory size display was adjusted for relocation and shadowing. Testing the memory above 1MB next
    Initialize EISA board
    52
    Initialize Option ROMs from C8000h to EFFFFh or if FSCAN Enabled to F7FFFh
    The memory above 1MB has been tested and initialized. Saving the memory size information next
    Test keyboard
    53
    Initialize Time Value in 40h: BIOS Area
    The memory size information and the CPU registers are saved. Entering real mode next

    54

    Shutdown was successful. The CPU is in real mode. Disabling the Gate A20 line, parity, and the NMI next
    Set key click if enabled
    55



    56


    Enable USB devices
    57

    The A20 address line, parity, and the NMI are disabled. Adjusting the memory size depending on relocation and shadowing next

    58

    The memory size was adjusted for relocation and shadowing. Clearing the Hit "DEL" message next
    Test for unexpected interrupts
    59

    The Hit "DEL" message is cleared. The "WAIT..." message is displayed. Starting the DMA and interrupt controller test next
    Initialize POST display service
    5A


    Display prompt Press F2 to enter SETUP
    5B


    Disable CPU cache
    5C


    Test RAM betweeb 512 and 640 kB
    60
    Setup virus protection (boot sector protection) functionality according to setup setting
    The DMA page register test passed. Performing the DMA Controller 1 base register test next
    Test extended memory
    61
    Try to turn on level 2 cach (if L2 cach already turned on in post 3D, this part will be skipped)

    Sat the boot up speed according to setup setting

    Last chance for chipset initialization

    Last chance for power management initialization (Green BIOS Only)

    Show the system configuration table


    62
    Setup the NUM lock. According to setup values

    Programm the NUM lock. Typematic rate & typematic speed according to setup setting
    The DMA controller 1 base register test passed. Performing the DMA controller 2 base register test next
    Test extended memory address lines
    63
    If there is any changes in the hardware configuration. Update the ESCD information (PnP BIOS only)

    Clear memory that have been used

    Boot system via INT 19h


    64


    Jump to UserPatch1
    65

    The DMA controller 2 base register test passed. Programming DMA controller 1 and 2 next

    66

    Completed programming DMA controllers 1 and 2 initializing the 8259 interrupt controller next
    Configure advanced cach registers
    67

    Completed 8259 interrupt controller initialization
    Initialize Multi Processor APIC
    68


    Enable external and CPU caches
    69


    Setup System Management Mode (SSM) area
    6A


    Display external L2 cach size
    6B


    Load custom defaults (optional)
    6C


    Display shadow-area message
    6E


    Display possible high address for UMB recovery
    6F



    70


    Display error message
    71



    72


    Check for configuration errors
    76


    Check for keyboard errors
    7C


    Set up hardware interrupt vectors
    7D


    Initialize intelligent System Monitoring
    7E


    Initialize coprocessor if present
    7F

    Extended NMI source enabling is in progress

    80

    The keyboard test has started. Clearing the output buffer and checking for stuck keys. Issuing the keyboard reset command next
    Disable onboard Super I/O ports and IRQs
    81

    A keyboard reset error or stuck key was found. Issuing the keyboard controller interface test command next
    Late POST device initialization
    82

    The keyboard controller interface test completed. Writing the command byte and initializing the circular buffer next
    Detect and install external RS232 ports
    83

    The command byte was written and global data initialization has completed. Checking for a locked key next
    Configure non-MCD IDE controllers
    84

    Locked key checking is over. Checking for a memory size mismatch with CMOS RAM data next
    Detect and install external parallel ports
    85

    The memory size check is done. Displaying a soft error and checking for a password or bypassing WINBIOS Setup next
    Initialize PC-compatible PnP ISA devices
    86

    The password was checked. Performing any required programming before WINBIOS Setup next
    Re-initialize onboard I/O ports
    87

    The programming before WINBIOS Setup has completed Uncompressing the WINBIOS Setup code and executing the AMIBIOS Setup or WINBIOS Setup utility next
    Configure Motherboard Configurable Devices (optional)
    88

    Returned from WINBIOS Setup end cleared the screen. Performing any necessary programming after WINBIOS Setup next
    Initialize BIOS Data Area
    89

    The programming after WINBIOS Setup has completed. Displaying the power on screen message next
    Enable Non-Maskable interrupts (NMis)
    8A


    Initialize Extended BIOS Data Area
    8B

    The first screen message has been displayed. The "WAIT..." message is displayed. Performing the PS/2 mouse check and extended BIOS data area allocation check next
    Test and initialize PS/2 mouse
    8C

    Programming the WINBIOS Setup options next
    Initialize floppy controller
    8D

    The WINBIOS Setup options are programmed. Resetting the hard disk controller next

    8E

    The hard disk controller has been reset. Configuring the floppy drive controller next

    8F


    Determine number of ATA drives (optional)
    90


    Initialize hard-disk controllers
    91

    The floppy drive controller has been configured. Cjnfiguring the hard disk drive controller next
    Initialize local-bus hard-disk controllers
    92


    Jump to UserPatch2
    93


    Build MPTABLE for multi-processor board
    95

    Initializing bus adaptor ROMs from C8000h through D8000
    Install CD ROM for boot
    96

    Initializing before passing control to the adaptor ROM at C800
    Clear huge ES segment register
    97

    Initialation before the C800 adaptor ROM gains control has completed. The adaptor ROM check is next
    Fix up Multi Processor table
    98

    The adaptor ROM had control and now returned control to BIOS POST. Performing any required processing after the option ROM returned controlA
    Search for option ROMs. One long, two short beeps on checksum failure
    99

    Any initialization required after the option ROM test has completed. Configuring the timer data area and printer base address next
    Check for SMART Drive (optional)
    9A

    Set the timer and printer base address. Setting the RS-232 base address next
    Shadow option ROMs
    9B

    Returned after setting the RS-232 base address. Performing any required initialization before the coprocessor test next
    Required initialization before the Coprocessor test is over. Initializing the Coprocessor next

    Required initialization before the Coprocessor test is over. Initializing the Coprocessor next
    Set up Power Management
    9D

    Coprocessor initialized Performing any required initialization after the Coprocessor test next
    Initialize security engine (optional)
    9E

    Initialization after the Coprocessor test is complete. Checking the extended keyboard, keyboard ID, and NumLock key next. Issuing the keyboard ID command next
    Enable hardware interrupts
    9F

    Determine number of ATA and SCSI drivers
    A0


    Set time of day
    A1


    Check key lock
    A2

    Displaying any soft error next

    A3

    The soft error display has completed. Setting the keyboard typematic rate next

    A4

    The keyboard typematic rate is set. Programming the memory wait states next
    Initialize typematic rate
    A5

    Memory wait state programming is over. Clearning the screen and enabling parity and the NMI next

    A7

    NMI and parity enabled. Performing any initialization required before passing control to the adaptor ROM at E000 next

    A8

    Initialization before passing control to the adaptor ROM at E000h completed. Passing control to the adaptor ROM at E000h next
    Erase F2 prompt
    A9

    Returned from adaptor ROM at E000h control. Performing any initialization required after the E000 option ROM had control next

    AA

    Initialization after E000 option ROM control has completed. Displaying the system configuration next
    Scan for F2 key stroke
    AB

    Uncompressing the DMI data and executing DMI POST initialization next

    AC


    Enter SETUP
    AE


    Clear boot flag
    B0
    If interrupts Occurs in protected mode
    The system configuration is displayed
    Check for errors
    B1
    If unmasked NMI Occurs. Display Press F1 to Disable NMI, F2 Reboot
    Copying any code to specific areas
    Inform RomPilot about the end of POST
    B2


    POST done prepare to boot operating system
    B3



    B4


    1 One short beep before boot
    B5


    Terminate Quiet Boot (optional)
    B6


    Check password (optional)
    B7


    Initialize ACPI BIOS
    B8



    B9


    Prepare Boot
    BA


    Initialize SMBIOS
    BB


    Initialize PnP Option ROMs
    BC


    Clear parity checkers
    BD


    Display MultiBoot menu
    BE
    Program chipset registers with power on BIOS defaults

    Clear screen (optional)
    BF
    Program the rest of the chipset's value according to setup (later setup value program)

    If auto configuration is anabled, programmed the chipset with predefined values in the MODBINable Auto Table

    Check virus and backup reminders
    C0

    Turn off OEM specific cach, shadow

    Initialize standard devices with default values: DMA controller (8237); Programmable interrupt Controller (8259); Programmable interval Timer (8254); RTC chip

    Try to boot with INT 19
    C1
    OEM Specific-Test to size On-Board memory

    Initialize POST error manager (PEM)
    C2


    Initialize error logging
    C3
    Test the first 256K DRAM

    Expand the compressed codes into temporary DRAM area including the compressed system BIOS & Option ROMs

    Initialize error display function
    C4


    Initialize system error handler
    C5
    OEM Specific-Early Shadow Enable for fast boot

    PnPnd dual CMOS (optional)
    C6
    External Cache Size Detection

    Initialize note dock (optional)
    C7


    Initialize note dock late
    C8


    Force check (optional)
    C9


    Extended checksum (optional)
    CA


    Redirect int 15h to enable remote keyboard
    CB


    Redirect int 13h to Memory Technologies Devices such as ROM, RAM, PCMCIA, and serial disk
    CC


    Redirect int 10h to enable remote serial video
    CD


    Re-map I/O and memory for PCMCIA
    CE


    Initialize digitizer and display message
    D0

    The NMI is disable. Power on delay is starting. Next, the initialization code checksum will be verified

    D1

    Initializing the DMA controller, performing the keyboard controller BAT test, starting memory refresh, and entering 4GB flat mode next

    D2


    Unknown interrupt
    D3

    Starting memory sizing next

    D4

    Returning to real mode. Executing any OEM patches and setting the stack next

    D5

    Passing control to the uncompressed code in shadow RAM at E000: 0000h. The initialization code is copied to segment 0 and control will be transferred to segment 0

    D6

    Control is in segment 0 Next, checking if "Ctrl" "Home" was pressed and verifying the system BIOS checksum. If either "Ctrl" "Home" was pressed or the system BIOS checksum is bad, next will go to checkpoint code E0h. Otherwise, going to checkpoint code D7h

    E0

    The onboard floppy controller if available is initialized. Next, beginning the base 512 KB memory test
    Initialize the chipset
    E1
    E1 Setup-Page E1
    Initializing the interrupt vector table next
    Initialize the bridge
    E2
    E2 Setup-Page E2
    Initializing the DMA and interrupt controllers next
    Initialize the CPU
    E3
    E3 Setup-Page E3

    Initialize system timer
    E4
    E4 Setup-Page E4

    Initialize system I/O
    E5
    E5 Setup-Page E5

    Check force recovery boot
    E6
    E6 Setup-Page E6
    Enabling the floppy drive controller and Timer IRQs. Enabling internal cach memory
    Checksum BIOS ROM
    E7
    E7 Setup-Page E7

    Go to BIOS
    E8
    E8 Setup-Page E8

    Set Huge Segment
    E9
    E9 Setup-Page E9

    Initialize Multi Processor
    EA
    EA Setup-Page EA

    Initialize OEM special code
    EB
    EB Setup-Page EB

    Initialize PIC and DMA
    EC
    EC Setup-Page EC

    Initialize Memory type
    ED
    ED Setup-Page ED
    Initializing the floppy drive
    Initialize Memory size
    EE
    EE Setup-Page EE
    Looking for a floppy diskette in drive A: Reading the first sector of the diskette
    Shadow boot block
    EF
    EF Setup-Page EF
    A read error occurred while reading the floppy drive in drive A:
    System memory test
    F0

    Next, searching for the AMIBOOT.ROM file in the root directory
    Initialize interrupt vectors
    F1

    The AMIBOOT.ROM file is not in the root directory
    Initialize Run Time Clock
    F2

    Next, reading and analyzing the floppy diskette FAT to find the clusters occupied by the AMIBOOT.ROM file
    Initialize video
    F3

    Next, reading the AMIBOOT.ROM file, cluster by cluster
    Initialize System Management Manager
    F4

    The AMIBOOT.ROM file is not the correct size
    Output one beep
    F5

    Next, disabling internal cach memory
    Clear Huge Segment
    F6


    Boot to mini DOS
    F7


    Boot to full DOS
    FB

    Next, detecting the type of flash ROM

    FC

    Next, erasing the flash ROM

    FD

    Next, programming the flash ROM

    FF
    Flash ROM programming was successful. Next, restarting the system BIOS

    Описание звуковых сигналов
    AMI BIOS Фатальные ошибки
    1 beep
    DRAM Refresh Failure. Try reseating the memory first. If the error still occurs, replace the memory with known good chips.
    2 beeps
    Parity error in first 64K RAM. Try reseating the memory first. If the error still occurs, replace the memory with known good chips
    3 beeps
    Base 64K RAM Failure. Try reseating the memory first. If the error still occurs, replace the memory with known good chips
    4 beeps
    System timer failure
    5 beeps
    Process failure
    6 beeps
    Keyboard controller 8042-Gate A20 Error. Try reseating the keyboard controller chip. If the error still occurs, replace the keyboard chip. If the error persists, check parts of the system relating to the keyboard, e.g. try another keyboard, check to see if the system has a keyboard fuse
    7 beeps
    Processor, Virtual Mode Exception Interrupt Error
    8 beeps
    Display memory Read/Write test failure (non-fatal). Replace the video card or the memory on the video card
    10 beeps
    CMOS shutdown register read/write error
    11 beeps
    Cache memory error
    AMI BIOS звуковые коды (не фатальные ошибки)
    2 short
    POST Failure-one or more of the hardware tests has failed
    1 long 2 short
    An error was encountered in the video BIOS ROM, or a horizontal retrace failure has been encountered
    1 long 3 short
    Conventional/Extended memory failure
    1 long 8 short
    Display/Retrace test failed
    Award BIOS звуковые коды
    1 short
    No error during POST
    2 short
    Any Non-fatal error, enter CMOS SETUP to reset
    1 long 1 short
    RAM or motherboard error
    1 long 2 short
    Video error, cannot initialize screen to display any information
    1 long 3 short
    Keyboard controller error
    1 long 9 short
    Flash RAM/EPROM (which on the motherboard) error. (BIOS error)
    long beep
    Memory bank is not plugged well, or broken
    Phoenix BIOS звуковые коды
    Звуковые коды
    Описание/Что проверять?
    1-1-2
    Ошибка при тесте процессора. Процессор неисправен. Замените процессор
    1-1-3
    Ошибка записи/чтения данных в/из CMOS-памяти.
    1-1-4
    Обнаружена ошибка при подсчете контрольной суммы содержимого BIOS.
    1-2-1
    Ошибка инициализации материнской платы.
    1-2-2 или 1-2-3
    Ошибка инициализации контроллера DMA.
    1-3-1
    Ошибка инициализации схемы регенерации оперативной памяти.
    1-3-3 или 1-3-4
    Ошибка инициализации первых 64 Кбайт оперативной памяти.
    1-4-1
    Ошибка инициализации материнской платы.
    1-4-2
    Ошибка инициализации оперативной памяти.
    1-4-3
    Ошибка инициализации системного таймера.
    1-4-4
    Ошибка записи/чтения в/из одного из портов ввода-вывода.
    2-1-1
    Обнаружена ошибка при чтении/записи 0-го бита (в шестнадцатеричном представлении) первых 64 Кбайт ОЗУ
    2-1-2
    Обнаружена ошибка при чтении/записи 1-го бита (в шестнадцатеричном представлении) первых 64 Кбайт ОЗУ
    1-2-3-1
    Обнаружена ошибка при чтении/записи 2-го бита (в шестнадцатеричном представлении) первых 64 Кбайт ОЗУ
    2-1-4
    Обнаружена ошибка при чтении/записи 3-го бита (в шестнадцатеричном представлении) первых 64 Кбайт ОЗУ
    2-2-1
    Обнаружена ошибка при чтении/записи 4-го бита (в шестнадцатеричном представлении) первых 64 Кбайт ОЗУ
    2-2-2
    Обнаружена ошибка при чтении/записи 5-го бита (в шестнадцатеричном представлении) первых 64 Кбайт ОЗУ
    2-2-3
    Обнаружена ошибка при чтении/записи 6-го бита (в шестнадцатеричном представлении) первых 64 Кбайт ОЗУ
    2-2-4
    Обнаружена ошибка при чтении/записи 7-го бита (в шестнадцатеричном представлении) первых 64 Кбайт ОЗУ
    2-3-1
    Обнаружена ошибка при чтении/записи 8-го бита (в шестнадцатеричном представлении) первых 64 Кбайт ОЗУ
    2-3-2
    Обнаружена ошибка при чтении/записи 9-го бита (в шестнадцатеричном представлении) первых 64 Кбайт ОЗУ
    2-3-3
    Обнаружена ошибка при чтении/записи 10-го бита (в шестнадцатеричном представлении) первых 64 Кбайт ОЗУ
    2-3-4
    Обнаружена ошибка при чтении/записи 11-го бита (в шестнадцатеричном представлении) первых 64 Кбайт ОЗУ
    2-4-1
    Обнаружена ошибка при чтении/записи 12-го бита (в шестнадцатеричном представлении) первых 64 Кбайт ОЗУ
    2-4-2
    Обнаружена ошибка при чтении/записи 13-го бита (в шестнадцатеричном представлении) первых 64 Кбайт ОЗУ
    2-4-3
    Обнаружена ошибка при чтении/записи 14-го бита (в шестнадцатеричном представлении) первых 64 Кбайт ОЗУ
    2-4-4
    Обнаружена ошибка при чтении/записи 15-го бита (в шестнадцатеричном представлении) первых 64 Кбайт ОЗУ
    3-1-1
    Ошибка инициализации второго канала DMA.
    3-1-2 или 3-1-4
    Ошибка инициализации первого канала DMA.
    3-2-4
    Ошибка инициализации контроллера клавиатуры.
    3-3-4
    Ошибка инициализации видеопамяти.
    3-4-1
    Возникли серьёзные проблемы при попытке обращения к монитору.
    3-4-2
    Не удается инициализировать BIOS видеоплаты.
    4-2-1
    Ошибка инициализации системного таймера.
    4-2-2
    Тестирование завершено.
    4-2-3
    Ошибка инициализации контроллера клавиатуры.
    4-2-4
    Критическая ошибка при переходе центрального процессора в защищенный режим.
    4-3-1
    Ошибка инициализации оперативной памяти.
    4-3-2
    Ошибка инициализации первого таймера.
    4-3-3
    Ошибка инициализации второго таймера.
    4-4-1
    Ошибка инициализации одного из последовательных портов.
    4-4-2
    Ошибка инициализации параллельного порта.
    4-4-3
    Ошибка инициализации математического сопроцессора.
    Длинные, непрекращающиеся сигналы
    Неисправна материнская плата.
    Звук сирены с высокой на низкую частоту
    Неисправна видеокарта, проверить электролитические емкости, на утечку или заменить все на новые, заведомо исправные.
    Непрерывный сигнал
    Не подключен (неисправен) кулер CPU.
    Звуковые сигналы Compaq BIOS
    Сигнал
    Значение (описание ошибки)
    1 короткий
    Ошибок нет. Нормальная загрузка системы.
    1 длинный + 1 короткий
    Ошибка контрольной суммы памяти CMOS BIOS. Возможно сел аккумулятор ROM.
    2 коротких
    Глобальная ошибка.
    1 длинный + 2 коротких
    Ошибка инициализации видеокарты. Проверьте правильность установки видеокарты.
    7 сигналов (1 длинный, 1 с, 1?, 1 короткий, пауза, 1 длинный, 1 короткий, 1 короткий)
    Неисправность видеокарты AGP. Проверьте правильность установки.
    1 длинный постоянный
    Ошибка оперативной памяти, попробуйте перезагрузиться.
    1 короткий + 2 длинных
    Неисправность оперативной памяти. Перезагрузитесь через Reset.
    Звуковые сигналы DELL BIOS
    Beep-коды представлены последовательностью звуковых сигналов. Например, 1-1-2 означает 1 звуковой сигнал, пауза, 1 звуковой сигнал, пауза, и 2 звуковых сигнала.
    Сигнал
    Значение (описание ошибки)
    1-2
    Не подключена видеокарта
    1-2-2-3
    Ошибка контрольной суммы ПЗУ BIOS
    1-3-1-1
    Ошибка обновления DRAM
    1-3-1-3
    Ошибка клавиатуры 8742
    1-3-3-1
    Неисправна память
    1-3-4-1
    Ошибка ОЗУ на линии xxx
    1-3-4-3
    Ошибка ОЗУ на младшем бите xxx
    1-4-1-1 тест
    Ошибка ОЗУ на старшем бите xxx
    Звуковые сигналы Quadtel BIOS
    Сигнал
    Значение (описание ошибки)
    1 короткий сигнал
    Ошибок не обнаружено, ПК исправен
    2 коротких сигнала
    Ошибка контрольной суммы ПЗУ BIOS
    1 длинный, 2 коротких сигнала
    Ошибка видеоадаптера. Неисправен видеоадаптер. Переустановите видеоадаптер или замените адаптер, если это возможно
    1 длинный, 3 коротких сигнала
    Один или несколько из периферийных контроллеров неисправен. Замените контроллеры и проведите повторное тестирование
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