Sun Microsystems Sun Fire V20z User Manual
Page 93
Appendix B
BIOS POST Codes
B-3
41
Initialize extended memory for RomPilot
42
Initialize interrupt vectors
45
POST device initialization
46
Check ROM copyright notice
47
Initialize I20 support
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
4F
Initialize MultiBoot
50
Display CPU type and speed
51
Initialize EISA board
52
Test keyboard
54
Set key click if enabled
55
Enable USB devices
58
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 512KB and 640KB
60
Test extended memory
62
Test extended memory address lines
64
Jump to UserPatch1
66
Configure advanced cache registers
67
Initialize Multi Processor APIC
68
Enable external and CPU caches
69
Setup system management mode (SMM) area
6A
Display external L2 cache size
TABLE B-1
BIOS POST Codes (Continued)
Post Code
Description