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86
Checkpoint Code
37h
38h
39h
3Ah
3Bh
40h
42h
43h
44h
45h
46h
47h
48h
49h
Appendix A: AMIBIOS POST Checkpoint Codes
Description
The display mode is set. Displaying the power on
message next.
Initializing the bus input, IPL, general devices next,
if present. See page 91 for additional information.
Displaying bus initialization error messages. See
page 91 for additional information.
The new cursor position has been read and saved.
Displaying the Hit <DEL> message next.
The Hit <DEL> message is displayed. The protected
mode memory test is about to start.
Preparing the descriptor tables next.
The descriptor tables are prepared. Entering
protected mode for the memory test next.
Entered protected mode. Enabling interrupts for
diagnostics mode next.
Interrupts enabled if the diagnostics switch is on.
Initializing data to check memory wraparound at
0:0 next.
Data initialized. Checking for memory wraparound
at 0:0 and finding the total system memory size
next.
The memory wraparound test is done. Memory size
calculation has been done. Writing patterns to test
memory next.
The memory pattern has been written to extended
memory. Writing patterns to the base 640 KB
memory next.
Patterns written in base memory. Determining the
amount of memory below 1 MB next.
The amount of memory below 1 MB has been
found and verified. Determining the amount of
memory above 1 MB memory next.
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