• Beep code



    Beep code adalah hasil tes yang dilakuakn oleh bios komputer yang di sebut dengan POST. Sedangkan POST (Power On Self Test) itu sendiri yaitu tes awal yang di lakukan bios komputer pada pertama kali komputer di nyalakan untuk memastikan semua perangkat
    keras berfungsi dengan baik dan normal. Jika komputer berhasil melakukan POST akan muncul suara Beep tunggal (atau bisa 2 kali) sebagai tanda bahwa komputer sudah nyala dan normal. Tetapi jika komputer gagal melakukan POST maka tidak akan ada bunyi Beep tapi akan muncul bunyi kode beep, yang akan memberitahukan kesalaha pada komputer.
    Setiap komputer tampilan Bios nya pasti akan berbeda-beda, tergantung jenis bios yang di gunakan opada Motherboard. Terkadang POST Bios tidak muncul di layar, tetapi di ganti dengan tampilan merk komputer.

    Jenis-jenis Bios


    1.      AMI Bios Beep Code
    1 bunyi beep pendek = DRAM refresh failure
    2 bunyi beep pendek = Parity circuit failure
    3 bunyi beep pendek = Base 64K RAM failure
    4 bunyi beep pendek = System timer failure
    5 bunyi beep pendek = Process failure
    6 bunyi beep pendek = Keyboard controller Gate A20 error
    7 bunyi beep pendek = Virtual mode exception error
    8 bunyi beep pendek = Display memory Read/Write test failure
    9 bunyi beep pendek = ROM BIOS checksum failure
    10 bunyi beep pendek = CMOS shutdown Read/Write error
    11 bunyi beep pendek = Cache Memory error
    1 bunyi beep panjang, 3 beep pendek = Conventional/Extended memory failure
    1 bunyi beep panjang, 8 beep pendek = Display/Retrace test failed

    2.      AWARD Bios Beep Code

    beep panjang, 2 beep pendek  = mengindikasikan terjadi kesalahan pada video dan bios tidak         dapat mendeteksi komponen video untuk menampilkan informasi pada monitor.

    bunyi beep lainnya                  = mengindikasikan terjadi kesalahan memory.

    Jika terjadi kesalahan hardware lainnya, bios akan menampilkan pesan pada monitor


    3.      IBM Bios Beep Code


    tidak ada bunyi beep =  Tidak ada tegangan power supply,Memory Card,VGA card,Sound Card,LAN Card ada yang longar/belum terpasang dengan benar, hubung singkat.

    1 beep pendek = Normal POST, Komputer booting dengan baik

    2 beep pendek = terjadi kesalahan POST,error kode ditampilkan di monitor

    beep terus menerus = Tidak ada tegangan power supply,Memory Card,VGA card,Sound Card,LAN Card ada yang longar/belum terpasang dengan benar, hubung singkat.

    beep pendek berulang = Tidak ada tegangan power supply,Memory Card,VGA card,Sound Card,LAN Card ada yang longar/belum terpasang dengan benar, hubung singkat.

    1 beep panjang dan 1 beep pendek = Mengidentifikasikan ada masalah pada motherboard

    1 beep panjang dan 2 beep pendek = Masalah pada VGA (bagian video CGA/mono)

    1 beep panjang dan 3 beep pendek = Masalah pada VGA (bagian video EGA)

    3 beep panjang = Masalah pada Keyboard atau keyboard card

    1 beep, monitor blank/tampilan salah = masalah pada VGA/Bagian jalur Video

    4.     PHOENIX Bios Beep Code



    1-1-1-3 = Verify Real Mode.
    1-1-2-1 = Get CPU Type.
    1-1-2-3 = Initialize system hardware.
    1-1-3-1 = Initialize chipset registers with initial POST values.
    1-1-3-2 = Set in POST flag.
    1-1-3-3 = Initialize CPU registers.
    1-1-4-1 = Initialize cache to initial POST values.
    1-1-4-3 = nitialize I/O.
    1-2-1-1 = Initialize Power Management.
    1-2-1-2 = Load alternate registers with initial POST values.
    1-2-1-3 = Jump to UserPatch0.

    1-2-2-1 = Initialize keyboard controller.
    1-2-2-3 = BIOS ROM checksum.
    1-2-3-1 = 8254 timer initialization.
    1-2-3-3 = 8237 DMA controller initialization.
    1-2-4-1 = Reset Programmable Interrupt Controller.
    1-3-1-1 = Test DRAM refresh.
    1-3-1-3 = Test 8742 Keyboard Controller.
    1-3-2-1 = Set ES segment to register to 4 GB.
    1-3-3-1 = 28 Autosize DRAM.
    1-3-3-3 = Clear 512K base RAM.
    1-3-4-1 = Test 512 base address lines.
    1-3-4-3 = Test 512K base memory.
    1-4-1-3 = Test CPU bus-clock frequency.
    1-4-2-4 = Reinitialize the chipset.
    1-4-3-1 = Shadow system BIOS ROM.
    1-4-3-2 = Reinitialize the cache.
    1-4-3-3 = Autosize cache.
    1-4-4-1 = Configure advanced chipset registers.
    1-4-4-2 = Load alternate registers with CMOS values.
    2-1-1-1 = Set Initial CPU speed.
    2-1-1-3 = Initialize interrupt vectors.
    2-1-2-1 = Initialize BIOS interrupts.
    2-1-2-3 = Check ROM copyright notice.
    2-1-2-4 = Initialize manager for PCI Options ROMs.
    2-1-3-1 = Check video configuration against CMOS.
    2-1-3-2 = Initialize PCI bus and devices.
    2-1-3-3 = Initialize all video adapters in system.
    2-1-4-1 = Shadow video BIOS ROM.
    2-1-4-3 = Display copyright notice.
    2-2-1-1 = Display CPU Type and speed.
    2-2-1-3 = Test keyboard.
    2-2-2-1 = Set key click if enabled.
    2-2-2-3 = 56 Enable keyboard.
    2-2-3-1 = Test for unexpected interrupts.
    2-2-3-3 = Display prompt Press F2 to enter SETUP.
    2-2-4-1 = Test RAM between 512 and 640k.
    2-3-1-1 = Test expanded memory.
    2-3-1-3 = Test extended memory address lines.
    2-3-2-1 = Jump to UserPatch1.2-3-2-3Configure advanced cache registers.
    2-3-3-1 = Enable external and CPU caches.
    2-3-3-3 = Display external cache size.
    2-3-4-1 = Display shadow message.
    2-3-4-3 = Display non-disposable segments.
    2-4-1-1 = Display error messages.
    2-4-1-3 = Check for configuration errors
    2-4-2-1 = Test real-time clock.

    2-4-2-3  = Check for keyboard errors
    2-4-4-1  = Set up hardware interrupts vectors.
    2-4-4-3  = Test coprocessor if present.
    3-1-1-1  = Disable onboard I/O ports.
    3-1-1-3  = Detect and install external RS232 ports.
    3-1-2-1  = Detect and install external parallel ports.
    3-1-2-3  = -initialize onboard I/O ports.
    3-1-3-1  = nitialize BIOS Data Area.
    3-1-3-3  = Initialize Extended BIOS Data Area.
    3-1-4-1  = Initialize floppy controller.
    3-2-1-1  = Initialize hard disk controller.
    3-2-1-2  = Initialize local bus hard disk controller.
    3-2-1-3  = Jump to UserPatch2.
    3-2-2-1  = Disable A20 address line.
    3-2-2-3  = Clear huge ES segment register.
    3-2-3-1  = Search for option ROMs.
    3-2-3-3  = Shadow option ROMs.
    3-2-4-1  = Set up Power Management.
    3-2-4-3  = Enable hardware interrupts.
    3-3-1-1  = Set time of day.
    3-3-1-3  = Check key lock.
    3-3-3-1  = Erase F2 prompt.
    3-3-3-3  = Scan for F2 key stroke.
    3-3-4-1  = Enter SETUP.
    3-3-4-3  = Clear in POST flag.
    3-4-1-1  = Check for errors
    3-4-1-3  = POST done - prepare to boot operating system.
    3-4-2-1  = One beep.
    3-4-2-3  = Check password (optional).
    3-4-3-1  = Clear global descriptor table.
    3-4-4-1  = Clear parity checkers.
    3-4-4-3  = Clear screen (optional).
    3-4-4-4  = Check virus and backup reminders.
    4-1-1-1  = Try to boot with INT 19.
    4-2-1-1  = Interrupt handler error.
    4-2-1-3  = Unknown interrupt error.
    4-2-2-1  = Pending interrupt error.
    4-2-2-3  = Initialize option ROM error.
    4-2-3-1  = Shutdown error.
    4-2-3-3  = Extended Block Move.
    4-2-4-1  = Shutdown 10 error.
    4-3-1-3  = Initialize the chipset.
    4-3-1-4  = Initialize refresh counter.
    4-3-2-1  = Check for Forced Flash.
    4-3-2-2  = Check HW status of ROM.
    4-3-2-3  = BIOS ROM is OK.
    4-3-2-4  = Do a complete RAM test.
    4-3-3-1  = Do OEM initialization.
    4-3-3-2  = Initialize interrupt controller.
    4-3-3-3  = Read in bootstrap code.
    4-3-3-4  = Initialize all vectors.
    4-3-4-1  = Boot the Flash program.
    4-3-4-2  = Initialize the boot device.
    4-3-4-3  = Boot code was read OK.

    5.      MACINTOSH STARTUP Bios Beep Code


    dua nada beep berbeda  = logic board atau SCSI bus bermasalah
    nada start, hardisk berputar, monitor blank/tidak ada tampilan =  vga/video controller bermasalah tidak ada beep  = logic board bermasalah
    beep nada tinggi, 4 beep nada tinggi  = SIMM bermasalah

    Pengecekan

    Pengecekkan pada bios biasanya di lakuakan ketika POST mulai bekerja. Apabila ada kesalahan monittor akan menampikan kesakahannya. Untuk pengecekkan lebih detail bisa di lihat setelah masuk bios.

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