PhoenixBIOS 4.0

В кавичках після POST-коду вказується звуковий сигнал, аналогічний POST-коду

02      Verify Real Mode

03      Disable Non-Maskable Interrupt (NMI)

04      Get CPU type

06      Initialize system hardware

08      Initialize chipset with initial POST values

09      Set IN POST flag

0A      Initialize CPU registers

0B      Enable CPU cache

0C      Initialize caches to initial POST values

0E      Initialize I/O component

0F      Initialize the local bus IDE

10      Initialize Power Management

11      Load alternate registers with initial POST values

12      Restore CPU control word during warm boot

13      Initialize PCI Bus Mastering devices

14      Initialize keyboard controller

16      (1-2-2-3) BIOS ROM checksum

17      Initialize cache before memory autosize

18      8254 timer initialization

1A      8237 DMA controller initialization

1C      Reset Programmable Interrupt Controller

20      (1-3-1-1) Test DRAM refresh

22      (1-3-1-3) Test 8742 Keyboard Controller

24      Set ES segment register to 4 GB

26      Enable A20 line

28      Autosize DRAM

29      Initialize POST Memory Manager

2A      Clear 512 KB base RAM

2C      (1-3-4-1) RAM failure on address line xxxx

2E      (1-3-4-3) RAM failure on data bits xxxx of low byte of memory bus

2F      Enable cache before system BIOS shadow

30      (1-4-1-1) RAM failure on data bits xxxx of high byte of memory bus

32      Test CPU bus-clock frequency

33      Initialize Phoenix Dispatch Manager

34      Disable Power Button during POST

35      Re-initialize registers

36      Warm start shut down

37      Re-initialize chipset

38      Shadow system BIOS ROM

39      Re-initialize cache

3A      Autosize cache

3C      Advanced configuration of chipset registers

3D      Load alternate registers with CMOS values

40      CPU speed detection

42      Initialize interrupt vectors

45      POST device initialization

46      (2-1-2-3) Check ROM copyright notice

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

50      Display CPU type and speed

51      Initialize EISA board

52      Test keyboard Тестируется клавиатура

54      Set key click if enabled

55      Initialize USB bus

58      (2-2-3-1) 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 512 and 640 KB

60      Test extended memory