NEC 120Mf Manual De Usuario
4-10 Troubleshooting
CP
Reason
44
Initialize BIOS interrupts
45
POST device initialization
46
Check ROM copyright notice
47
Initialize manager for PCI Option ROMs
48
Check video configuration against CMOS
49
Initialize PCI bus and devices
4A
Initialize all video adapters in system
4B
Display QuietBoot screen
4C
Shadow video BIOS ROM
4E
Display copyright notice
4F
Allocate memory for the multiboot data
50
Display Processor type and speed
52 Test
keyboard
54
Set key click if enabled
55 USB
initialization
56 Enable
keyboard
58
Test for unexpected interrupts
59
Initialize the POST display service
5A
Display prompt “Press F2 to enter SETUP”
5B
Disable L1 cache during POST
5C
Test RAM between 512 and 640k
60
Test extended memory
62
Test extended memory address lines
64
Jump to UserPatch1
66
Configure advanced cache registers
67
Quick init of all AP's early in post
68
Enable external and processor caches
69
Initialize the SMM handler
6A
Display external cache size
6B
Load custom defaults if required
6C
Display shadow message
6E
Display non-disposable segments
70
Display error messages
72
Check for configuration errors
74
Test real-time clock
76
Check for keyboard errors
7A
Test for key lock on
7C
Set up hardware interrupt vectors
7D
Intelligent system monitoring
7E
Test coprocessor if present
81
POST device initialization routine
82
Detect and install external RS232 ports
83
Configure non-MCD IDE controllers
84
Initialize parallel ports
85
Initialize PC-compatible PnP ISA devices
86
Re-initialize on board I/O ports
87
Configure Mother Board Configurable Devices
88
Initialize BIOS Data Area
89
Enable Non-Maskable Interrupts