Intel AC450NX Product Manual page 273

Port 80h Codes (continued)
CP Beeps
37
38
39
3A
3C
3D
40
42
44
46 2-1-2-3
47
48
49
4A
4B
4C
4E
50
52
54
56
58 2-2-3-1
5A
5C
60
62
64
66
68
6A
6C
6E
70
72
74
76
7A
7C
7E
Chapter 22 Solving Problems: Troubleshooting/Error Messages
Reason
Reinitialize the chip set (MB only)
Shadow system BIOS ROM
Reinitialize the cache (MB only)
Autosize cache
Configure advanced chip set registers
Load alternate registers with new CMOS values
Set initial new processor speed
Initialize interrupt vectors
Initialize BIOS interrupts
Check ROM copyright notice
Initialize manager for PCI Option ROMs
Check video configuration against CMOS
Initialize PCI bus and devices
Initialize all video adapters in system
Display QuietBoot screen
Shadow video BIOS ROM
Display copyright notice
Display processor type and speed
Test keyboard
Set key click if enabled
Enable keyboard
Test for unexpected interrupts
Display prompt "Press F2 to enter SETUP"
Test RAM between 512 and 640k
Test extended memory
Test extended memory address lines
Jump to UserPatch1
Configure advanced cache registers
Enable external and processor caches
Display external cache size
Display shadow message
Display nondisposable segments
Display error messages
Check for configuration errors
Test real-time clock
Check for keyboard errors
Test for key lock on
Set up hardware interrupt vectors
Test coprocessor if present
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