User guide

B-6 Sun Fire X2100 Server User Guide • April 2007
POST Code Description
50h Initialize USB keyboard and mouse.
51h Reserved.
52h Test all memory (clear all extended memory to 0).
53h Clear password according to H/W jumper (optional).
54h Reserved.
55h Display number of processors (multiprocessor platform).
56h Reserved.
57h 1. Display PnP logo.
2. Early ISA PnP initialization -Assign CSN to every ISA PnP device.
58h Reserved.
59h Initialize the combined Trend Anti-Virus code.
5Ah Reserved.
5Bh (Optional feature) Show message for entering AWDFLASH.EXE from FDD.
5Ch Reserved.
5Dh 1. Initialize Init_Onboard_Super_IO.
2. Initialize Init_Onboard_AUDIO.
5Eh Reserved.
5Fh Reserved.
60h Okay to enter setup utility; that is, it is not until this POST stage can users
enter the CMOS setup utility.
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.
TABLE B-1 BIOS Port 80 POST Codes (Continued)