REFERENSI BIOS

Oleh : Ika Fitrianingrum (M3109040)

Ilanggeng Satrio (M3109041) Indah Puspitasari (M3109042)

PROGRAM DIPLOMA III TEKNIK INFORMATIKA FAKULTAS MATEMATIKA DAN ILMU PENNGETAHUAN ALAM UNIVERSITAS SEBELAS MARET SURAKARTA 2010

PHOENIX BIOS

Phoenix merupakan salah satu pabrikan BIOS yang banyak dipakai di Indonesia Cara masuk bios tekan F2 sebelum masuk Operating System. Biasanya perintahnya adalah Press F2 to enter BIOS, perintah ini hanya terlihat sebentar karena prosesnya sangat cepat. Setelah masuk BIOS terdapat empat tab utama yaitu Main, Advance, Boot dan Exit. Pada MAIN tab terdapat beberapa option :

System Time berisi waktu dalam format hh-mm-ss yang bisa kita ubah dengan tanda anak panah dan bisa kita sesuaikan isinya. System Date berisi tanggal dalam format mm-dd-yy hampir sama dengan sistem waktu.

IDE Channel 0 Master [None] SATA Port 1 [Fujitsu MJA2250BHG] SATA Port 2 [TSSTcorp CDDVDWTS] System Memory 633 KB Extended Memory 765 MB Bios Revision 1.00.20AX KBC/EC Fireware Rev 1.00.21 Pada kabel IDE master tidak dihubungkan dengan perangkat apapun. Kabel SATA Port 1 terhubung dengan Hardisk dan SATA Port 2 dengan DVD Room.

Pada ADVANCE tab terdapat : Advane Chipset Control Instaled O/S : Vista/Win7, XP, Linux, Other Sata Mode Selection : ACHI, IDE Lagacy USB Support : Disabled Boot time Diagnostic Screen : Disabled Battery Low alarm Beep : Enabled Embadded Share Memory : 256 MB Supervisor Password is : Clear Instaled O/S adalah pilihan sistem operasi yang sering digunakan di komputer/Laptop Anda. Battery Low alarm Beep merupakan opsi untuk mengaktifkan(enabled) maupun menonaktifkan(disabled) alarm ketika baterai lemah. Set Supervisor Password : Enter Set Password Set User Password : Enter Password on Boot : Disabled Set Password digunakan untuk men-setting password pada BIOS. Password on Boot pilih disabled agar pada awal booting tidak memerlukan password. BOOT Boot Priority Order 1. IDE CD : TSSTcorp CDDVDW TS-LG33C-C 2. IDE HDD : Fujitsu MJA2250BHG 3. USB Key : 4. USB FDC : 5. USB CDRoom : 6. USB HDD : 7. PCI BEV : SIS 191 UNDI Prioritas Booting pertama mencari pada CD dan setelah itu baru mencari pada Hardisk(IDE HDD). Excluded from boot order USB ZIP USB LS120 EXIT Exit Saving Changes Keluar dengan perubahan Exit Discading Changes Keluar dan mengabaikan perubahan Load Setup Default Memilih pengaturan standard Discard Changes mengabaikan perubahan Save Changes Menyimpan perubahan

Advanced Setup Screen Di dalam advanced setup Screen terdapat fitur-fitur atau menu sebagai berikut : Fitur Pilihan Deskripsi USB Host controller Disabled Mengaktifkan atau Menonaktifkan hardware USB. Enabled Pengaturan Default Diaktifkan (Enabled) USB BIOS Disabled Mengaktifkan atau Menonaktifkan dukungan Legacy Enabled untuk USB Keyboard dan Mouse. (Aktifkan untuk Support digunakan dengan non-USB sadar Sistem Operasi seperti DOS atau UNIX.) Pengaturan default Dinonaktifkan (Disabled) Lihat 'Advanced Chipset Control' pada halaman Advanced Chipset Control

6.

I/O Device Configuration Lihat 'I / O Device Konfigurasi' pada halaman 9. PCI Configuration Lihat PCI Configuration pada halaman 11. Reset Configuration Data No Pilih 'Ya' jika Anda ingin menghapus Extended System Configuration Data (ECSD) daerah. Yes Pengaturan Default adalah No. SecuredSetup Configurations No Ya - Mencegah Plug and Play Sistem Operasi dari Yes pengaturan sistem berubah. Pengaturan Default adalah No. Installed O/S Other Pilih sistem operasi yang diinstal pada sistem Anda bahwa Anda akan menggunakan paling Win95 sering. Pengaturan Default adalah lain (Other). Catatan: Sebuah pengaturan salah menyebabkan beberapa sistem operasi untuk menampilkan perilaku yang tidak diharapkan. Large Disk Access Mode Other DOS Untuk UNIX, Novel NetWare, atau sistem operasi lain, pilih Lainnya. Jika Anda menginstal perangkat lunak baru dan drive gagal, mengubah pilihan ini dan coba lagi. sistem operasi yang berbeda membutuhkan representasi yang berbeda geometri drive. Pengaturan Default adalah DOS.

Console Redirection Remote Management Baud Rate

Lihat Console Redirection pada hal. 15 Di situ akan dijelaskan tentang fitur ini. 115.2K Memilih baud rate yang digunakan untuk modus 57.6K konfigurasi remote serial. Pengaturan Default 38.4K adalah 115.2K. 28.8K 19.2K 14.4K 9600 2400

Advanced Chipset Control Berikut ini adalah print screen dan pembahasan fitur-fitur pada Advanced Chipset Control :

Advanced Chipset Control Fitur-fitur pada Advanced Chipset Control : Feature Option Deskripsi Skip memory test No Yes PS/2 Mouse Disabled Enabled Auto Detect

Uji memori untuk mendapatkan POST lebih cepat. Aktifkan tes untuk menciptakan sistem yang lebih stabil. Disabled - Mencegah apapun diinstal PS / 2 mouse dari berfungsi, tapi membebaskan IRQ12. Diaktifkan - Pasukan port PS/2mouse harus diaktifkan peduli apakah mouse hadir. Auto Detect - Hanya memungkinkan PS / 2 mouse jika ada. Pengaturan Default adalah Auto Detect. OS Dikendalikan - menampilkan Option hanya jika OS kontrol mouse.the mouse.

ISA Memory Chip Select Setup ISA I/O Chip Select Setup Onboard RFD Disabled

Boot Through RFD No

Lihat 'ISA Memory Chip Pilih Setup' pada halaman 7. Lihat 'ISA I / O Chip Setup Pilih' pada halaman 8. Memilih apakah flash disk onboard diaktifkan. To mem_cs1 Pengaturan Default adalah To mem_cs3 To mem_cs2 To mem_cs3 Pilih Ya untuk boot dari RFD sebagai floppy A:. Yes Pengaturan Default adalah No

ISA Memory Chip Select Setup The Memory Chip Selects provide initial values for the four memory windows which may be created using the ZF-logic built in the ZFx86 chip.

Table : ISA Memory Chip Select Setup Fitur Pilihan Deskripsi Window SIZE Masukkan nilai untuk register jendela ukuran memori. diterima berkisar dari FFF000H 000000Hto. Masukkan nilai heksadesimal dari 3 digit paling signifikan HEX dari nomor ini. Lihat dokumentasi ZFx86 untuk informasi tambahan. Contoh: 0000H = jendela = dinonaktifkan, 1000H = 8K, 2000 = 12k, dan sebagainya. Window BASE Masukkan nilai untuk register jendela memori dasar. diterima berkisar dari FFF000H 000000Hto. Masukkan nilai heksadesimal dari 3 digit paling signifikan HEX ini number.See dokumentasi ZFx86 untuk informasi tambahan. Contoh: 0C0000 = alamat dasar adalah 000C0000 (atau C000: 0) Window PAGE PAGE = 1000000 - FLASHA BASE. Jika Base = 0D0000, maka set PAGE untuk F30000 sehingga D000: 0 pergi ke alamat 0 di flashdisk. Itulah 1000000 - D0000 0. Untuk D0000 untuk pergi ke D0000 di flashdisk, set PAGE ke 0, yaitu, 1000000 - D0000 D0000 (Anda hanya menentukan 4 digit). Read Only Window data width 16-bits 8-bits Pilih perilaku kisaran memori antara membaca / menulis atau membaca jenis akses saja. Pengaturan Default adalah Baca / Tulis. Pilih jendela dapat lebar. Pengaturan Default adalah 8-bit.

Read/Write Control Read/Write

ISA I/O Chip Select Setup Figure 5 shows the ISA I/O Chip Select Setup menu selections.

Table : ISA I/O Chip Select Setup Feature option description Window state Enabled Jika jendela diaktifkan, maka I / O membaca (dan I / O menulis jika diaktifkan) pada kisaran Disabled alamat Base untuk Ukuran Base -1 menyebabkan io_cs jendela itu sinyal yang diajukan. Pengaturan Default Disabled. Base address 0 - FFFF Masukkan alamat dasar untuk jendela I / O. Pengaturan Default adalah 0. Read/Write Read/Write Pilih perilaku rentang I / O antara membaca / Control Read Only menulis atau membaca hanya port tipe akses. Mengatur jendela untuk membaca hanya modus Menonaktifkan sinyal IOW_N di bus ISA untuk I / O rentang alamat jendela. Pengaturan Default adalah Read/Write Window data width 8-bits Pilih jendela datapath lebar. Pengaturan Default adalah 8-bit. 16-bits Active level Active Low Pilih tingkat untuk menegaskan pada pin io_cs. Para ZFx86 menegaskan tingkat yang dipilih Active High pada jendela itu io_cs pin saat program mengakses I / O dalam kisaran jendela Base ke Base-Ukuran 1. Pengaturan Default adalah Active Low. Window Size 01 - 16 Pilih nomor I berturut-turut / alamat O untuk memecahkan kode mulai dari pangkal I / O jendela. Misalnya, nilai 4 decode 4 berturutturut 8-bit I / O alamat, atau 2 alamat 16-bit berturut-turut. Decode terjadi pada I / O membaca, dan mungkin terjadi pada I / O menulis. Pengaturan Default adalah01.

I/O Device Configuration Ini adalah print screen I/O Device Configuration :

I/O Device Configuration Setup Berikut adalah fitur pada I/O Device Configuration Setup :Feature Serial Port A Disabled option description Enabled Auto OS Controlled Konfigurasi Serial Port A menggunakan pilihan berikut : Disabled - konfigurasi Tidak Diaktifkan Konfigurasi Pengguna Auto - BIOS atau OS memilih konfigurasi OS Dikendalikan Menampilkan saat port dikontrol oleh OS. Pengaturan default. Mengatur base I / O alamat untuk setting Serial Port A. Pengaturan Default 3F8. Mengatur interrupt untuk port serial pengaturan A. Default IRQ 4. B Konfigurasi port serial dengan menggunakan pilihan berikut: Disabled - konfigurasi No Enabled - Konfigurasi Pengguna Auto - BIOS atau OS memilih konfigurasi OS Dikendalikan - Ditampilkan bila dikendalikan oleh OS. Mengatur base I / O alamat untuk setting Serial Port B. Pengaturan default 2F8. Mengatur setting interrupt untuk Serial Port B. Pengaturan default IRQ 3. Konfigurasikan Inframerah menggunakan pilihan berikut: Disabled No configuration Enabled User Configuration Auto BIOS or OS chooses configuration OS Controlled Displays when controlled by

Base I/O address 3F8 2F8 3E 8 2E 8 IRQ 3 IRQ 4 Enabled Auto OS Controlled

Interrupt Serial Port B Disabled

Base I/O address 3F8 2F8 3E 8 2E 8 IRQ 3 IRQ 4 Enabled Auto OS Controlled

Interrupt Infrared Port Disabled

Mode Base I/O address 3F8 Interrupt Parallel port Disabled

IrDA FIR 3E 8 IRQ 3 IRQ 5 Enabled Auto OS Controlled

OS. Mengatur mode untuk port inframerah. Pengaturan Default adalah IrDA. Pilih base I / O alamat untuk port inframerah. Pengaturan Default adalah 3E8. Pilih menyela untuk port inframerah. Default setting IRQ 5. Konfigurasikan port paralel menggunakan pilihan: Disabled No configuration Enabled User Configuration Auto BIOS or OS selects the configuration OS Controlled Displayed when controlled by OS. Mengatur mode untuk port paralel menggunakan pilihan berikut: Output saja, Bidirectional, EPP, dan ECP. Pengaturan Default adalah ECP. Mengatur alamat base I / O untuk port paralel. Pengaturan Default adalah 387. Mengatur menyela untuk port paralel. Default setting IRQ 7. Mengatur saluran DMA untuk port paralel. Pengaturan Default DMA 1. Konfigurasikan menggunakan pilihan berikut: Disabled No configuration Enabled User Configuration. Default setting. Auto BIOS or OS chooses configuration OS Controlled Displayed when controlled by OS. Mengatur base I / O alamat untuk floppy disk controller menggunakan pilihan. Pengaturan default Primary. Aktifkan bus adapter terintegrasi IDE lokal. Pengaturan Default adalah Both.

Mode

Output only Bi-directional EPP ECP 278 3BC IRQ 5 IRQ 7 DMA 3 Disabled Enabled Auto

Base I/O address 378 Interrupt DMA channel DMA 1 Floppy disk controller

Base I/O address Primary Secondary Local Bus IDE Adapter Disabled Primary Secondary Both

PCI Configuration Di bawah ini adalah print screen PCI Configuration submenu settings :

PCI Configuration Berikut akan dijelaskan mengenai fitur-fitur pada sub menu PCI Configuration : Feature option Description PCI/PNP ISA UMB Cadangan blok memori tertentu Region Exclusion atas untuk digunakan oleh perangkat warisan ISA. Lihat PCI/PNP ISA UMB Region Exclusion pada halaman 12. PCI/PNP ISA IRQ Cadangan IRQ khusus untuk Resource Exclusion digunakan oleh perangkat warisan ISA. Lihat PCI/PNP ISA IRQ Resource Exclusion on halaman 13. PCI/PNP ISA DMA Cadangan khusus DMA saluran Resource Exclusion untuk digunakan oleh perangkat warisan ISA. Lihat 'PCI / PNP ISA DMA Sumber Daya Pengecualian' pada halaman 14 ISA graphics device No Aktifkan ISA (non-VGA) installed: Yes perangkat grafis untuk mengakses data dalam perangkat palet VGA PCI. Pengaturan Default adalah No. Disabled PCI IRQ line 1 perangkat PCI menggunakan PCI IRQ line 2 hardware interrupts disebut Auto Select PCI IRQ line 3 IRQ's. Perangkat PCI tidak dapat 3 PCI IRQ line 4 menggunakan IRQ yang telah 4 digunakan oleh Aktifkan ISA. 5

7 9 10

11 12 14 15PCI/PNP ISA UMB Region Exclusion Figure 8 shows the PCI/PNP ISA UMB Region Exclusion submenu selections. This menu may display with different values depending on your configuration .

Table : PCI/PNP ISA UMB Region Exclusion Feature C800 - CBFF CC00 - CFFF D000 - D3FF D400 - D7FF D800 - DBFF DC00 - DFFF option Available Reserved Description Cadangan blok tertentu memori atas untuk digunakan oleh perangkat warisan ISA. Pengaturan Default adalah Available.

PCI/PNP ISA IRQ Resource Exclusion Print Screen :

PCI/PNP ISA IRQ Resource Exclusion Penjelasan menu pada PCI/PNP ISA IRQ Resource Exclusion :

Feature option IRQ 3 IRQ 4 IRQ 5 IRQ 7 IRQ 9 IRQ 10 IRQ 11 Available Reserved

description Cadangan IRQ yang ditentukan untuk digunakan oleh perangkat warisan ISA. Pengaturan Default adalah Available.

PCI/PNP ISA DMA Resource Exclusion Figure 10 shows the PCI/PNP ISA DMA Resource Exclusion submenu selections.

Table: PCI/PNP ISA DMA Resources Exclusion Dibawah ini dijelaskan tentang menu PCI/PNP ISA DMA Resources Exclusion : Feature option Description DMA 0 Available Cadangan saluran DMA khusus untuk DMA 1 Reserved digunakan oleh perangkat non-Plug-and-Play DMA 2 ISA. DMA 3 Pengaturan Default adalah Available DMA 4 DMA 5 DMA 6 DMA 7

Console Redirection

Gambar di bawah ini adalah print screen dari submenu Consol Redirection :

Table 10: Console Redirection Feature Com Port Address Disabled option Description On-board COM A On-board COM B Baud Rate 300 1200 2400 9600 19.2 K 38.4 K 57.6 K 115.2 K VT100 Flow Control None XON/XOFF CTS/RTS Console connection Direct Via modem Continue C.R. after POST Jika diaktifkan, ZFx86 menggunakan port pada motherboard. Pengaturan Default Disabled. (Console redirection default is COM A.) Mengaktifkan baud rate yang ditentukan. Pengaturan Default adalah 19.2K. (Default pengalihan 19.2K.)

Console Type PC ANSI

Mengaktifkan ditentukan jenis konsol. Pengaturan Default adalah PC ANSI. Mengaktifkan Control Flow. Pengaturan Default adalah CTS/RTS. Menunjukkan apakah konsol yang terhubung langsung ke sistem atau modem. Pengaturan Default adalah langsung.Direct. Mengaktifkan Konsol Redirection setelah beban OS. Pengaturan default adalah Off. (Default pengalihan Console adalah Aktif.)

Off On

Phoenix BIOS Error Codes (Kesalahan Kode BIOS Phoenix) Phoenix BIOS Text Error Messages Error message Explanation Diskette drive A error Drive A: hadir tapi gagal tes disket POST. Periksa bahwa drive didefinisikan dengan tipe disket yang tepat dalam Setup dan bahwa disk drive terpasang dengan benar. Extended RAM Failed at Extended memori tidak bekerja atau tidak offset: nnnn dikonfigurasi dengan benar di nnnn offset Failing Bits: nnnn Para nnnn angka heksadesimal adalah peta bit pada alamat RAM (Sistem, Extended, atau memori Shadow) yang gagal uji memori. Setiap 1 di peta menunjukkan sedikit gagal. Fixed Disk 0 Failure Tetap disk tidak bekerja atau tidak dikonfigurasi Fixed Disk 1 Failure dengan benar. Periksa untuk melihat apakah disk Fixed Disk Controller tetap terpasang dengan baik. Jalankan Setup Failure untuk memastikan jenis tetap-disk diidentifikasi dengan benar. Incorrect Drive A type Jenis disket drive untuk drive A: tidak benar -run SETUP diidentifikasi dalam Setup. Invalid NVRAM media type Masalah dengan NVRA M (CMOS) akses. Keyboard controller error Controller keyboard gagal dalam ujian. Cobalah mengganti keyboard. Keyboard error Keyboard tidak bekerja. Keyboard error nn BIOS menemukan tombol macet dan menampilkan scan nn kode untuk kunci macet. Keyboard locked Unlock key switch Membuka sistem untuk melanjutkan. Monitor type does not match CMOS - Run SETUP Jenis Monitor tidak benar diidentifikasi dalam Setup. Operating system not found Sistem operasi tidak dapat terletak di salah satu drive A: atau C:. Masukkan Setup dan melihat jika disk tetap dan drive A: diidentifikasi dengan benar. Parity Check 1 Paritas kesalahan ditemukan dalam bus sistem. BIOS upaya untuk menemukan alamat dan menampilkannya pada layar. Jika tidak dapat menemukan alamat, akan menampilkan ????. Parity Check 2 Paritas kesalahan ditemukan di bus I / O. BIOS upaya untuk menemukan alamat dan menampilkannya pada layar. Jika tidak dapat menemukan alamat, akan menampilkan ????. Press to resume, Ditampilkan setelah pesan error yang diperoleh to Setup kembali. Tekan F1 untuk memulai proses boot atau F2 untuk masuk ke SETUP, dan mengubah pengaturan. Real-time clock error Real-time clock BIOS gagal tes. Mungkin memerlukan perbaikan motherboard. Shadow RAM Failed at offset: nnnn Shadow RAM gagal di nnnn offset blok 64KB di

mana kesalahan itu terdeteksi System battery is dead - Replace and run SETUP Jam CMOS indikator baterai menunjukkan baterai sudah mati. Pasang kembali baterai dan Setup dijalankan untuk mengkonfigurasi ulang sistem. System cache error Cache -disabled Cache RAM BIOS gagal tes. Dinonaktifkan BIOS cache. System CMOS checksum bad - run SETUP Sistem CMOS RAM telah rusak atau diubah tidak benar, mungkin dengan program aplikasi yang perubahan data disimpan dalam CMOS. Jalankan Setup dan mengkonfigurasi ulang sistem baik dengan mendapatkan nilai default atau membuat pilihan sendiri. System RAM Failed at offset: nnnn Sistem RAM gagal di nnnn offset blok 64KB di mana kesalahan itu terdeteksi System timer error Uji waktu gagal. Memerlukan perbaikan sistem motherboard.

Phoenix BIOS Post Procedures: CPU Check internal operations i.e. ALE/IRQ status, Request, LA and memory read/write

CMOS RAM Test with walking bit pattern ROM BIOS Perform checksum on ROM BIOS where all bits are added and compared to a factory set total PIT Check to ensure interrupt requests are properly executed DMA Check DMA from CPU to memory without BIOS. Also check page registers Base 64K Check first 4K block Serial and Parallel Ports I/O data areas for any devices found are assigned but are not tested PIC Check that proper interrupt request levels are addressed Keyboard Check 8240 for proper operation, including scan code response and Gate A20 Controller which allows CPU operation in protected mode Check data within CMOS and compare to BIOS information. Failure of the CMOS extended area is often due to wrong data setup. Constant failure after resetting CMOS is either battery CMOS chip or RTC Video Controller Test and initialize controller and ROM on the video adapter RTC Check to ensure proper frequencies are on proper lines for the Video Color CPU and DMA frequency. Check RTC and PIT or the system crystal if a failure occurs Return from protected mode. CPU is put into protected mode and returns to the CPU POST at the point indicated by the CMOS ROM data area byte 0F. Failure here is normally due to the CPU, keyboard controller, CMOS chip or an address line PIC Test counter 2 NMI Check for non maskable interrupt request vector for active status. Failure is normally due to the CMOS but could also be the BIOS IRQ or CPU chips Keyboard Check for NumLock and/or Caps and Shift keys Mouse Initialize through the keyboard controller. This is only done if a mouse is present and it is initialized in this way RAM Above 64K Test in 64KB blocks with a walking bit pattern and parity enabled Fixed and Floppy Controllers Test for proper response to BIOS calls Shadow RAM Areas Look in CMOS for settings on which adapter or system ROM's are to be shadowed Option ROM Look for ROM signatures of 55AA in extended memory then initialize the ROM and halt testing while internal checks are carried out External Cache Check controller chip for external cache CPU Internal Cache The CPU's internal cache is tested Hardware Interrupts Initialize and test video, floppy, hard I/O adapters, serial and parallel ports Cassette Test internal or external cassette drives Boot Code Errors Errors occurring after this point are normally a corrupt boot

Phoenix XT 2.52 PnP BIOS Post Codes: 01 Test 8253 timer

02 03 04 05

First 64K RAM failed First 1K parity check failed Initialize 8259 interrupt controller Second 1K RAM test, BIOS data area, failed

Phoenix BIOS Plus or v1.0 BIOS Post Codes: 01 CPU register test in progress 02 CMOS read/write failure 03 ROM BIOS checksum failure 04 Programmable interval timer failure 05 DMA initialization failure 06 DMA page register read/write failure 08 RAM refresh verification failure 09 First 64K RAM test in progress 0A First 64K RAM chip or data line failure multi-bit 0B First 64K RAM odd/even parity logic failure 0C Address line failure in first 64K RAM 0D Parity failure in first 64K RAM 10 Bit 0 first 64K RAM failure 11 Bit 1 first 64K RAM failure 12 Bit 2 first 64K RAM failure 13 Bit 3 first 64K RAM failure 14 Bit 4 first 64K RAM failure 15 Bit 5 first 64K RAM failure 16 Bit 6 first 64K RAM failure 17 Bit 7 first 64K RAM failure 18 Bit 8 first 64K RAM failure 19 Bit 9 first 64K RAM failure 1A Bit a(10) first 64K RAM failure 1B Bit B(11) first 64K RAM failure 1C Bit C(12) first 64K RAM failure 1D Bit D(13) first 64K RAM failure 1E Bit E(14) first 64K RAM failure 1F Bit F(15) first 64K RAM failure 20 Slave DMA register failure 21 Master DMA register failure 22 Master interrupt mask register failure 23 Slave interrupt mask register failure 25 Interrupt vector loading in progress 27 8042 keyboard controller test failure 28 CMOS power failure/checksum calculation in progress 29 CMOS configuration validation in progress

2B Screen memory test failure 2C Screen initialization failure 2D Screen retrace test failure 2E Search for video ROM in progress 30 Screen believed running with video ROM 31 Mono monitor believed operational 32 Color monitor (40 columns) believed operational 33 Color monitor (80 columns) believed operational 34 Timer tick interrupt in progress or failed (non-fatal) 35 Shutdown failure (non-fatal) 36 Gate A20 failure (non-fatal) 37 Unexpected interrupt in protected mode (non-fatal) 38 Memory high address line failure at 01000-0A000 (non-fatal) 39 Memory high address line failure at 100000-FFFFFF (non-fatal) 3A Timer chip counter 2 failed (non-fatal) 3B Time of day clock stopped 3C Serial port test 3D Parallel port test 41 System board select bad 42 Extended CMOS RAM bad

Phoenix UMC chipset PCI BIOS Post Codes: 02 Verify real mode operation 04 Get CPU type 06 Initialize system hardware 08 Initialize chipset registers with initial POST values 09 Set in POST flag 0A Initialize CPU registers 0C Initialize cache to initial POST values 0E Initialize I/O 10 Initialize power management 11 Load alternate registers with initial POST values 12 Jump to user patch 0 14 Initialize keyboard controller 16 BIOS ROM checksum 18 8254 programmable interrupt timer initialization 1A 8237 DMA controller initialization 1C Reset 8259 programmable interrupt controller 20 Test DRAM refresh 22 Test 8742 keyboard controller 24 Set ES segment register to 4GB 26 Enable address line A20 28 Autosize DRAM

2A Clear 512K base memory 2C Test 512K base address lines 2E Test 512K base memory 30 Test base address memory 32 Test CPU bus clock frequency 34 Test CMOS RAM 35 Test chipset register initialize 36 Test check resume 37 Reinitialize the chipset 38 Shadow system BIOS ROM 39 Reinitialize the cache 3A Autosize the cache 3C Configure advanced chipset registers 3D Load alternate registers with CMOS values 3E Read hardware configuration from keyboard controller 40 Set initial CPU speed 42 Initialize interrupt vectors 44 Initialize BIOS interrupts 46 Check ROM copyright notice 47 Initialize manager for PCI options ROM's 48 Check video configuration against CMOS 49 Initialize PCI bus and devices 4A Initialize all video adapters 4C Shadow video BIOS ROM 4E Display copyright notice 50 Display CPU type and speed 52 Test keyboard 54 Set key click if enabled 56 Enable keyboard 58 Test for unexpected interrupts 5A Display prompt "Press F2 to Enter Setup" 5C Test RAM between 512K and 640K 5E Test base memory 60 Test expanded memory 62 Test extended memory address lines 64 Jump to user patch 1 66 Configure advanced cache registers 68 Enable external and CPU registers 69 Set up power management 6A Display external cache size 6C Display shadow message 6E Display non-disposable segments 70 Display error messages 72 Check for configuration messages 74 Test real time clock 76 Check for keyboard errors 7A Enable keylock 7C Setup hardware interrupt vectors 7E Test coprocessor if present 80 Disable onboard I/O ports 82 Detect and install external RS232 ports 84 Detect and install external parallel ports 86 Reinitialize onboard I/O ports 88 Initialize BIOS data areas 8A Initialize extended BIOS data area 8C Initialize floppy drive controller 8E Hard disk autotype configuration 90 Initialize hard disk controller 91 Initialize local bus hard disk controller 92 Jump to user patch 2 94 Disable A20 address lines 96 Clear huge ES segment register 98 Search for option ROM's 9A Shadow options ROM's 9C Setup power management 9E Enable hardware interrupts A0 Set time of day A2 Check key lock A4 Initialize typematic rate A8 Erase F2 prompt AA Scan for F2 keystroke AC Enter setup AE Clear in-POST flag B0 Check for errors B2 POST done

Phoenix PCI BIOS Post Codes: 02 If the CPU is in protected mode, turn on gate A20 and pulse the reset line. Forces a shutdown 0. 04 On cold boot, save the CPU type information value in the CMOS 06 Reset DMA controllers; Disable video; Clear pending interrupts from real time clock; Setup port B register 08 Initialize chipset control registers to power on defaults 0A Set a bit in the CMOS that indicates POST; used to determine if the current configuration causes the BIOS to hang. If true, default BIOS values set on next POST 0C Initialize I/O module control registers 0E External CPU caches initialized; Cache registers set to default values 10/12/14 Verify response from 8742 keyboard controller 16 Verify BIOS ROM checksums to zero 18 Initialize all three 8254 programmable interrupt timers 1A Initialize DMA command register; Initialize 8 DMA channels 1C Initialize 8259 programmable interrupt controller; ICW4 needed; Cascade and edge triggered mode 20 Test DRAM refresh by polling refresh bit in post B Test 8742 keyboard controller; Self test send to keyboard controller and awaiting results; Read the switch inputs from the 8742 keyboard controller and write the keyboard 22 controller command byte 24 Set ES segment register to 4GB 26 Enable address line A20 28 Autosize DRA M 2A Clear first 64K of RAM 2C Test RAM address lines 2E Test first 64K bank of memory by checking chip address line test and RAM test 30/32 Find true CPU speed (MHz) 34 Clear CMOS diagnostic byte (register E); Check real time clock and verify battery; Checksum the CMOS and verify for corruption 36/38/3A External cache is autosized and its configuration for enabling later in POST 3C Configure advanced cache features; Configure external cache's configurable parameters 3E Read hardware configuration from keyboard controller 40 Set system power-on speed to the rate determined by the CMOS; If the CMOS is invalid, use a lower speed 42 Initialize interrupt vectors 0-77h to the BIOS general interrupt handler 44 Initialize interrupt vectors 0-20h to proper values from the BIOS interrupt tables 46 Check copyright message checksum 48 Check video configuration 4A Initialize both monochrome and color graphics video adapters 4C/4E Display copyright message 50 Display CPU type and speed 52 Test for the self-test code if a cold start; Keyboard performs a self-test and sends and AA

if successful 54 Initialize keystroke clicker during POST 56 Enable keyboard Test for unexpected interrupts; Check STI for hot interrupts; Test NMI for unexpected interrupts; Enable parity checkers and read from memory checking for unexpected 58 interrupt 5A Display prompt "Press F2 to Enter Setup" 5C Determine and test the amount of memory available; Save total size to BIOS variable called bdaMemorySize 5E Perform address of base memory 60 Determine and test the amount of extended memory available; Save the total size in the CMOS at CMOSExtended 62 Perform and address line test on A0 to the amount of memory available 68 External and CPU caches, if present, are enabled 6A Display cache size on screen if non-zero 6C Display BIOS shadow status 6E Display the starting offset of the non-disposable section of the BIOS 70 Check flags in CMOS and in the BIOS data area to see if any errors have been detected during the POST 72 Check status bits for configuration errors 74 Test real time clock if the battery has lost power 76 Check status bits for keyboard errors; Errors are displayed 78 Check for stuck keys on the keyboard; Errors are displayed 7A Enable keylock 7C Setup hardware interrupt vectors 7E Test coprocessor if present 80/82 Detect and install RS232 ports 84 Detect and install parallel ports 86/88 Initialize timeouts/key buffer/soft reset flags 8A Initialize extended BIOS data area and initialize the mouse 8C Initialize the floppy disks and display error message if failure was detected 8E Hard disk autotype detection If the CMOS RAM is valid and intact and fixed disks are defined, call the fixed disk initialization routine to initializ e the fixed disk system and take over the appropriate interrupt vectors 92/94 Disable gate A20 address line 96/98 Scan for ROM BIOS extensions 9E Enable hardware interrupts A0 Set time of day A2 Setup numlock indicator A4 Initialize typematic rate A6 Initialize hard disk autoparking A8 Erase F2 prompt AA Scan for F2 keystroke AC Check to see if SETUP should executed 90

AE Clear ConfigFailedBit and InPostBit in CMOS B0 Check for POST errors B2 Set/clear status bits to reflect POST complete B4 One beep B6 Check for password before boot B8 Clear global descriptor table BA Initialize the screen saver BC Clear parity error latch BE Clear screen C0 Try to boot with interrupt 19 If an interrupt occurs before interrupts vectors have been initialized, interrupt handler will check if 8259 programmable interrupt timer caused the interrupt and which one; If error is unknown, InterruptFlag will be FF, otherwise, it will hold the IRQ number that occurred

D0/D2

D4 Clear pending timer and keyboard interrupts and transfer control to the double word address located at RomCheck D6/D8/DA Return from extended block move

Phoenix ISA/EISA/MCA v3.07 BIOS Post Codes: 01 CPU register test in progress 02 CMOS read/write failure 03 ROM BIOS checksum failure 04 Programmable interval timer failure 05 DMA initialization failure 06 DMA page register write/read failure 08 RAM refresh verification failure 09 First 64K RAM test in progress 0A First 64K RAM chip or data line failure multi-bit 0B First 64K RAM odd/even logic failure 0C Address line failure in first 64K RAM 0D Parity failure in first 64K RAM 0E Fail-safe timer failure 0F Software NMI post failure 10 Bit 0 first 64K RAM failure 11 Bit 1 first 64K RAM failure 12 Bit 2 first 64K RAM failure 13 Bit 3 first 64K RAM failure 14 Bit 4 first 64K RAM failure 15 Bit 5 first 64K RAM failure 16 Bit 6 first 64K RAM failure 17 Bit 7 first 64K RAM failure 18 Bit 8 first 64K RAM failure

19 Bit 9 first 64K RAM failure 1A Bit A first 64K RAM failure 1B Bit B first 64K RAM failure 1C Bit C first 64K RAM failure 1D Bit D first 64K RAM failure 1E Bit E first 64K RAM failure 1F Bit F first 64K RAM failure 20 Slave DMA register failure 21 Master DMA register failure 22 Master interrupt mask register failure 23 Slave interrupt mask register failure 25 Interrupt vector loading in progress 27 Keyboard controller test failure 28 CMOS power failure; checksum calculation in progress 29 CMOS RAM configuration validation in progress 2B Screen memory test failure 2C Screen initialization failure 2D Screen retrace test failure 2E Search for video ROM in progress 30 Screen believed running with video ROM 31 Mono monitor believed operational 32 Color monitor (40 columns) believed operational 33 Color monitor ( 80 columns) believed operational 34 No time tick 35 Shutdown test in progress or failure 36 Gate A20 failure 37 Unexpected interrupt in protected mode

38 Memory high address line failure at 01000-0A000; RAM test in progress or address failure >FFFh 39 Memory high address line failure at 100000-FFFFFF 3A Interval timer channel 2 test or failure 3B Time of day clock test or failure 3C Serial port test or failure 3D Parallel port test or failure 3E Math coprocessor test 3F Cache test (Dell) 41 System board select bad (Micro Channel only) 42 Extended CMOS RAM bad (Micro Channel only)

Phoenix 4.0 BIOS Post Codes: 02 Verify real mode 04 Get CPU type

06 Initialize system hardware 08 Initialize chipset registers with initial POST values 09 Set in POST flag 0A Initialize CPU registers 0C Initialize cache to initial POST values 0E Initialize I/O 10 Initialize power management 11 Load alternate registers with initial POST values 12 Jump to UserPatch0 14 Initialize keyboard controller 16 BIOS ROM checksum 18 8254 programmable interrupt timer initialization 1A 8237 DMA controller initialization 1C Reset 8254 programmable interrupt timer 20 Test DRAM refresh 22 Test 8742 keyboard controller 24 Set ES segment register to 4GB 28 Autosize DRAM 2A Clear 512K base RAM 2C Test 512K base address lines 2E Test 512K base memory 32 Test CPU bus-clock frequency 37 Reinitialize the chipset 38 Shadow system BIOS ROM 39 Reinitialize the cache 3A Autosize cache 3C Configure advanced chipset registers 3D Load alternate registers with CMOS values 40 Set initial CPU speed 42 Initialize interrupt vectors 44 Initialize BIOS interrupts 46 Check ROM copyright notice 48 Check video configuration against CMOS 49 Initialize PCI bus and devices 4A Initialize all video adapters in system 4C Shadow video BIOS ROM Phoenix 4.0 Release 6.0 BIOS Post Codes: 4E Display copyright notice 50 Display CPU type and speed 02 Test keyboard 52 Verify real mode 03 Disable non-maskable interrupt (NMI) 54 Set key click if enabled 04 Enable keyboard 56 Get CPU type 06 Initializeunexpected interrupts 58 Test for system hardware 07 Disable shadow and execute code from the ROM 5A Display prompt "Press F2 to Enter Setup" 08 Initialize chipset with initial POST values 5C Test RAM between 512K and 640K 09 Set IN POST flag 0A Initialize CPU registers 60 Test expanded memory 0B Enable CPU cache 62 Test extended memory address lines 0C Jump to UserPatch1initial POST values 64 Initialize caches to 0E Initialize I/O component registers 66 Configure advanced cache 0F Enable external and CPU caches 68 Initialize the local bus IDE 10 initialize external cache size 6A Display power management 11 Load alternate registers with initial POST values 6C Display shadow message 12 Display non-disposable segments warm boot 6E Restore CPU control word during 13 Display error messages 70 Initialize PCI bus mastering devices 14 Check for keyboard controller 72 Initialize configuration errors 16 BIOS ROM checksum 74 Test real time clock 17 Initialize cache before memory autosize 76 Check for keyboard errors 7C Setup hardware interrupts vectors 7E Test coprocessor if present 80 Disable onboard I/O ports 82 Detect and install external RS232 ports 84 Detect and install external parallel ports 86 Re-initialize on-board I/O ports 88 Initialize BIOS data area 8A Initialize extended BIOS data area 8C Initialize floppy controller 90 Initialize hard disk controller 91 Initialize local bus hard disk controller 92 Jump to UserPatch2 94 Disable A20 address line 96 Clear huge ES segment register 98 Search for option ROM's 9A Shadow option ROM's 9C Setup power management 9E Enable hardware interrupts A0 Set time of day

18 8254 programmable interrupt timer initialization 1A 8237 DMA controller initialization 1C Reset programmable interrupt controller 20 Test DRAM refresh 22 Test 8742 keyboard controller 24 Set ES segment register to 4GB 26 Enable gate A20 line 28 Autosize DRAM 29 Initialize POST memory manager 2A Clear 512KB base RAM 2C RAM failure on address line xxxx 2E RAM failure on data bits xxxx of low byte of memory bus 2F Enable cache before system BIOS shadow 30 RAM failure on data bits xxxx of high byte of memory bus 32 Test CPU bus clock frequency 33 Initialize Phoenix Dispatch Manager 36 Warm start shut down 38 Shadow system BIOS ROM 3A Autosize cache 3C Advanced configuration of chipset registers 3D Load alternate registers with CMOS values 41 Initialize extended memory for RomPilot 42 Initialize interrupt vectors 45 POST device initialization 46 Check ROM copyright notice 47 Initialize I20 support 48 Check video configuration against CMOS 49 Initialize PCI bus and devices 4A Initialize all video adapters in system 4B QuietBoot start (optional) 4C Shadow video BIOS ROM 4E Display BIOS copyright notice 4F Initialize MultiBoot 50 Display CPU type and speed 51 Initialize EISA board 52 Test keyboard 54 Set key click if enabled 55 Enable USB devices 58 Test for unexpected interrupts 59 Initialize POST display service 5A Display prompt "Press F2 to enter SETUP" 5B Disable CPU cache 5C Test RAM between 512KB and 640KB 60 Test extended memory

62 Test extended memory address lines 64 Jump to UserPatch1 66 Configure advanced cache registers 67 Initialize Multi Processor APIC 68 Enable external and CPU caches 69 Setup system management mode (SMM) area 6A Display external L2 cache size 6B Load custom defaults (optional) 6C Display shadow area message 6E Display possible high address for UMB recovery 70 Display error messages 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 80 Disable onboard super I/O ports and IRQ's 81 Late POST device initialization 82 Detect and install external RS232 ports 83 Configure non-MCD IDE controllers 84 Detect and install external parallel ports 85 Initialize PC compatible PnP ISA devices 86 Reinitialize onboard I/O ports 87 Configure motherboard configurable devices (optional) 88 Initialize BIOS data area 89 Enable non-maskable interrupts (NMI's) 8A Initialize extended BIOS data area 8B Test and initialize PS/2 mouse 8C Initialize floppy controller 8F Determine number of ATA drives (optional) 90 Initialize hard disk controllers 91 Initialize local bus hard disk controllers 92 Jump to UserPatch2 93 Build MPTABLE for multi processor boards 95 Install CD ROM for boot 96 Clear huge ES segment register 97 Fixup multi processor table 98 Search for option ROM's 99 Check for SMART drive (optional) 9A Shadow option ROM's 9C Set up power management 9D Initialize security engine (optional) 9E Enable hardware interrupts 9F Determine number of ATA and SCSI drives A0 Set time of day CB Redirect Int 13 to Memory Technologies Devices such as ROM, RAM, PCMCIA, and serial A2 Checkdisk lock key A4 Initialize typematic rate CC Redirect Int 10h to enable remote serial video A8 Erase F2 I/O and memory for PCMCIA CD Re-map prompt AA Initialize F2 key strokedispaly message CE Scan for digitizer and AC Unknown interrupt D2 Enter setup AE Clear boot flag for boot block in Flash ROM The following are B0 Check for errors E0 Inform RomPilot about the end of POST B1 Initialize the chipset E1 POST done prepare B2 Initialize the-bridge to boot operating system E2 One short beep B4 Initialize the CPU E3 Initialize QuietBoot (optional) B5 Terminatethe system timer E4 Initialize system B6 Check password I/O E5 Initialize ACPI BIOS B7 Check force recovery boot B9 Prepare boot BA Initialize DMI parameters BB Initialize PnP option ROM's BC Clear parity checkers BD Display multiboot menu BE Clear screen BF Check virus and backup reminders C0 Try to boot with interrupt 19 C1 Initialize POST Error Manager (PEM) C2 Initialize error logging C3 Initialize error display function C4 Initialize system error handler C5 PnP dual CMOS (optional) C6 Initialize notebook docking (optional) C7 Initialize notebook docking late C8 Force check (optional) C9 Extended checksum (optional)

E6 Checksum BIOS ROM E7 Go to BIOS E8 Set Huge Segment E9 Initialize Multi Processor EA Initialize OEM special code EB initialize PIC and DMA EC Initialize Memory type ED Initialize Memory size EE Shadow Boot Block EF System memory test F0 Initialize interrupt vectors F1 Initialize Run Time Clock F2 Initialize video F3 Initialize System Management Menager F4 Output one beep F5 Clear Huge Segement F6 Boot to mini DOS F7 Boot to Full DOS

Phoenix ISA/MCA/EISA BIOS Beep Codes: The beep codes are represented in the number of beeps. E.g. 1-1-2 would mean 1 beep, a pause, 1 beep, a pause, and 2 beeps. With a Dell computer, a 1-2 beep code can also indicate that a bootable add-in card is

installed but no boot device is attached. For example, in you insert a Promise Ultra-66 card but do not connect a hard drive to it, you will get the beep code. I verified this with a SIIG (crap -- avoid like the plague) Ultra-66 card, and then confirmed the results with Dell. Submitted by John Palmer. Beeps Error Message Description 1-1-2 CPU test failure The CPU is faulty. Replace the CPU Low 1-1-2 System board select failure The motherboard is having an undetermined fault. Replace the motherboard 1-1-3 CMOS read/write error The real time clock/CMOS is faulty. Replace the CMOS if possible Low 1-1-3 Extended CMOS RAM failure The extended portion of the CMOS RAM has failed. Replace the CMOS if possible 1-1-4 BIOS ROM checksum error The BIOS ROM has failed. Replace the BIOS or upgrade if possible 1-2-1 PIT failure The programmable interrupt timer has failed. Replace if possible 1-2-2 DMA failure The DMA controller has failed. Replace the IC if

possible 1-2-3 DMA read/write failure The DMA controller has failed. Replace the IC if possible 1-3-1 RAM refresh failure The RAM refresh controller has failed 1-3-2 64KB RAM failure The test of the first 64KB RAM has failed to start 1-3-3 First 64KB RAM failure The first RAM IC has failed. Replace the IC if possible 1-3-4 First 64KB logic failure The first RAM control logic has failed 1-4-1 Address line failure The address line to the first 64KB RAM has failed 1-4-2 Parity RAM failure The first RAM IC has failed. Replace if possible 1-4-3 EISA fail-safe timer test Replace the motherboard 1-4-4 EISA NMI port 462 test Replace the motherboard 2-1-1 64KB RAM failure Bit 0; This data bit on the first RAM IC has failed. Replace the IC if possible 2-1-2 64KB RAM failure Bit 1; This data bit on the first RAM IC has failed. Replace the IC if possible 2-1-3 64KB RAM failure Bit 2; This data bit on the first RAM IC has failed. Replace the IC if possible 2-1-4 64KB RAM failure Bit 3; This data bit on the first RAM IC has failed. Replace the IC if possible 2-2-1 64KB RAM failure Bit 4; This data bit on the first RAM IC has failed. Replace the IC if possible 2-2-2 64KB RAM failure Bit 5; This data bit on the first RAM IC has failed. Replace the IC if possible 2-2-3 64KB RAM failure Bit 6; This data bit on the first RAM IC has failed. Replace the IC if possible 2-2-4 64KB RAM failure Bit 7; This data bit on the first RAM IC has failed. Replace the IC if possible 2-3-1 64KB RAM failure Bit 8; This data bit on the first RAM IC has failed. Replace the IC if possible 2-3-2 64KB RAM failure Bit 9; This data bit on the first RAM IC has failed. Replace the IC if possible 2-3-3 64KB RAM failure Bit 10; This data bit on the first RAM IC has failed. Replace the IC if possible 2-3-4 64KB RAM failure Bit 11; This data bit on the first RAM IC has failed. Replace the IC if possible 2-4-1 64KB RAM failure Bit 12; This data bit on the first RAM IC has failed. Replace the IC if possible 2-4-2 64KB RAM failure Bit 13; This data bit on the first RAM IC has failed. Replace the IC if possible 2-4-3 64KB RAM failure Bit 14; This data bit on the first RAM IC has failed. Replace the IC if possible 2-4-4 64KB RAM failure Bit 15; This data bit on the first RAM IC has failed. Replace the IC if possible 3-1-1 Slave DMA register failure The DMA controller has failed. Replace the controller if possible 3-1-2 Master DMA register failure The DMA controller had failed. Replace the controller

if possible 3-1-3 Master interrupt mask register failure 3-1-4 Slave interrupt mask register failure The interrupt controller IC has failed The interrupt controller IC has failed

3-2-2 Interrupt vector error The BIOS was unable to load the interrupt vectors into memory. Replace the motherboard 3-2-3 Reserved 3-2-4 Keyboard controller failure The keyboard controller has failed. Replace the IC if possible 3-3-1 CMOS RAM power bad Replace the CMOS battery or CMOS RAM if possible 3-3-2 CMOS configuration error The CMOS configuration has failed. Restore the configuration or replace the battery if possible 3-3-3 Reserved 3-3-4 Video memory failure There is a problem with the video memory. Replace the video adapter if possible 3-4-1 Video initialization failure There is a problem with the video adapter. Reseat the adapter or replace the adapter if possible 4-2-1 Timer failure The system's timer IC has failed. Replace the IC if possible 4-2-2 Shutdown failure The CMOS has failed. Replace the CMOS IC if possible 4-2-3 Gate A20 failure The keyboard controller has failed. Replace the IC if possible 4-2-4 Unexpected interrupt in protected mode This is a CPU problem. Replace the CPU and retest 4-3-1 RAM test failure System RAM addressing circuitry is faulty. Replace the motherboard 4-3-3 Interval timer channel 2 failure The system timer IC has failed. Replace the IC if possible 4-3-4 Time of day clock failure The real time clock/CMOS has failed. Replace the CMOS if possible 4-4-1 Serial port failure A error has occurred in the serial port circuitry 4-4-2 Parallel port failure A error has occurred in the parallel port circuitry 4-4-3 Math coprocessor failure The math coprocessor has failed. If possible, replace the MPU Beeps Description 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 values 1-1-3-2 Set in POST flag 1-1-3-3 Initialize CPU registers 1-1-4-1 Initialize cache to initial values 1-1-4-3 Initialize I/O 1-2-1-1 Initialize power management

2-3-3-2 Initialize SMI handler 1-2-1-2 Load alternative registers with initial POST values 2-3-3-3 Display external cache size 1-2-1-3 Jump to UserPatch0 2-3-4-1 Initialize timer message 1-2-2-1 Display shadowinitialization 2-3-4-3 8254 timer initialization 1-2-3-1 Display non-disposable segments 2-4-1-1 8237 DMA controllerfailure (most 1-2-3-3 Display error messagesinitializationlikely problem is with RAM or cache unless no 4-2-4-3 Keyboard Controller video is present) 2-4-1-3 Check for configuration errors 1-2-4-1 Reset Programmable Interrupt Controller 4-3-1-3 Initialize the refresh 2-4-2-1 1-3-1-1 Test DRAM chipset real-time clock 4-3-1-4 Initialize refresh counter 2-4-2-3 Check for Keyboard Controller 1-3-1-3 Test 8742 keyboard errors 4-3-2-1 Setup hardware interrupt to 4GB 2-4-4-1 Set ES segment register 1-3-2-1 Check for Forced Flash vectors 4-3-2-2 Autosize DRAM if present 2-4-4-3 Test coprocessor 1-3-3-1 BIOS ROM is OK 4-3-2-4 Do a complete RAM ports 3-1-1-1 Disable onboard memory 1-3-3-3 Clear 512K base I/O test 4-3-3-1 Do OEM initialization lines 3-1-1-3 Detect and install external 1-3-4-1 Test 512K base address RS232 ports 4-3-3-2 Initialize interrupt external parallel ports 3-1-2-1 Detect and install controller 1-3-4-3 Test 51K base memory 4-3-3-3 Test CPU bus-clock frequency 3-1-2-3 Reinitialize onboard I/O 1-4-1-3 Read in bootstrap code ports 4-3-3-4 Initialize all vectors Area 3-1-3-1 Initialize BIOS Data 4-3-4-2 Initialize the boot device Data Area 3-1-3-3 Initialize Extended BIOS 4-3-4-3 Initialize floppyread OK 3-1-4-1 Boot code was controller 1-4-2-1 CMOS RAM read/write failure (this commonly indicates a problem on the ISA bus 3-2-1-1 Initialize hard a card not seated) such as disk controller 3-2-1-2 Initialize local bus hard disk controller 1-4-2-4 Reinitialize the chipset 3-2-1-3 Jump to UserPatch2 ROM 1-4-3-1 Shadow system BIOS 3-2-2-1 Disable A20the cacheline 1-4-3-2 Reinitialize address 3-2-2-3 Autosize theES segment register 1-4-3-3 Clear huge cache 3-2-3-1 Configure advanced chipset registers 1-4-4-1 Search for option ROMs 3-2-3-3 Shadow optionregisters with CMOS values 1-4-4-2 Load alternate ROMs 3-2-4-1 Setup power management 2-1-1-1 Set initial CPU speed 3-2-4-3 Enable hardware interrupts 2-1-1-3 Initialize interrupt vectors 3-3-1-1 Initialize of dayinterrupts 2-1-2-1 Set time BIOS 3-3-1-3 Check key lock 2-1-2-3 Check ROM copyright notice 3-3-3-1 Erase F2 prompt for PCI Options ROMs 2-1-2-4 Initialize manager 3-3-3-3 Scan for F2 keystroke 2-1-3-1 Check video configuration against CMOS 3-3-4-1 Enter SETUP bus and devices 2-1-3-2 Initialize PCI 3-3-4-3 Clear in-POST flagadapters in system 2-1-3-3 initialize all video 3-4-1-1 Check for errors 2-1-4-1 Shadow video BIOS ROM 3-4-1-3 POST done - prepare to boot operating system 2-1-4-3 Display copyright notice 3-4-2-1 One beepCPU type and speed 2-2-1-1 Display 3-4-2-3 Check password (optional) 2-2-1-3 Test keyboard 3-4-3-1 Clear global descriptor table 2-2-2-1 Set key click if enabled 3-4-4-1 Clear parity checkers 2-2-2-3 Enable keyboard 3-4-4-3 Check virus and backup reminders 2-2-3-1 Test for unexpected interrupts 4-1-1-1 Try to boot with"Press F2 to enter setup" 2-2-3-3 Display prompt INT 19 4-2-1-1 Interrupt handler error 2-2-4-1 Test RAM between 512K and 640K 4-2-1-3 Unknown interrupt error 2-3-1-1 Test expanded memory 4-2-2-1 Pending interrupt error address lines 2-3-1-3 Test extended memory 4-2-2-3 Jump to UserPatch1 error 2-3-2-1 Initialize option ROM 2-3-2-3 Enable external and CPU caches 4-2-3-1 Shutdown error 2-3-2-3 Configure advanced cache registers 4-2-3-3 Extended Block and CPU caches 2-3-3-1 Enable external Move 4-2-4-1 Shutdown 10 error