Intel SC450NX - Server Platform - 0 MB RAM Product Manual page 132

Table 30. Port-80 Codes (continued)
Normal Port
80 Codes Beeps
4E
50
51
52
54
56
58 2-2-3-1
5A
5C
60
62
64
66
68
6A
6C
6E
70
72
74
76
7A
74
76
7A
7C
7E
80
82
85
86
88
8A
8C
90
91
92
93
132
Error
Display copyright notice
Display processor type and speed
Initialize EISA board
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 non-disposable segments
Display error messages
Check for configuration errors
Test real-time clock
Check for keyboard errors
Test for key lock on
Test real-time clock
Check for keyboard errors
Test for key lock on
Set up hardware interrupt vectors
Test coprocessor if present
Detect and install external RS232 ports
Detect and install external parallel ports
Initialize PC-compatible PnP ISA devices
Re-initialize on board I/O ports
Initialize BIOS Data Area
Initialize Extended BIOS Data Area
Initialize floppy controller
Initialize hard disk controller
Initialize local bus hard disk controller
Jump to UserPatch2
Build MPTABLE for multi-processor boards
continued