Sun Microsystems Ultra 20 User Manual page 127

BIOS Port 80 POST Codes (Continued)
TABLE C-1
Post Code Description
5Bh (Optional feature) Show message for entering AWDFLASH.EXE
from FDD.
5Ch Reserved.
5Dh 1. Initialize Init_Onboard_Super_IO.
2. Initialize Init_Onbaord_AUDIO.
5Eh Reserved.
5Fh Reserved.
60h Okay to enter setup utility; users cannot enter the CMOS setup
utility until this POST stage.
61h Reserved.
62h Reserved.
63h Reset keyboard if Early_Reset_KB is not defined.
64h Reserved.
65h Initialize PS/2 Mouse.
66h Reserved.
67h Prepare memory size information for function call: INT 15h ax=
E820h.
68h Reserved.
69h Turn on L2 cache.
6Ah Reserved.
6Bh Program chipset registers according to items described in Setup &
Auto-configuration table.
6Ch Reserved.
6Dh 1. Assign resources to all ISA PnP devices.
2. Auto assign ports to onboard COM ports if the corresponding
item in Setup is set to AUTO.
6Eh Reserved.
6Fh 1. Initialize diskette controller.
2. Set up diskette-related fields in 40:hardware.
70h Reserved.
71h Reserved.
72h Reserved.
73h Reserved.
Appendix C BIOS POST Codes C-7