NEC Express5800/320Ma User Manual page 68

POST Codes
4C
Shadow the video BIOS ROM.
4E
Display the BIOS copyright notice.
4F
Multiboot initialization.
50
Display the CPU type and speed.
51
Initialize the EISA board.
52
Test the keyboard.
54
Set key click if enabled.
55
Initialize the USB.
56
Enable the keyboard.
57
Initialize 1394 high performance serial bus.
58
Test for unexpected interrupts.
59
Initialize the POST display service.
5A
Display the prompt "Press F2 to enter SETUP."
5B
Disable the CPU cache.
A-6 Express5800/320Ma: Virtual Technician Module User's Guide