BIOS Setup Information
ROBO-638 User’s Manual
4-21
Code Description
31
Display memory R/W test or retrace checking failed. To do alternate display
retrace checking.
32
Alternate display memory R/W test passed. To look for the alternate display
retrace checking.
34
Video display checking is over. Setting the display mode next.
37
The display mode is set. Displaying the power on message next.
38
Initializing the bus input, IPL, and general devices next, if present.
39
Displaying bus initialization error message.
3A
The new cursor position has been read and saved. Displaying the
Hit <DEL>
message next.
40
Preparing the descriptor tables next.
42
Entering protected mode for the memory test next.
43
Entered protected mode. Enabling interrupts for diagnostics mode next.
44
Interrupts enabled if the diagnostics switch is on. Initializing data to check
memory wraparound at 0:0 next.
45
Data initialized. Checking for memory wraparound at 0:0 and finding the
total system memory size next.
46
The memory wraparound test has completed. The memory size calculation
has been done. Writing patterns to test memory next.
47
The memory pattern has been written to extended memory. Writing patterns
to the base 640 KB memory test.
48
Patterns written in base memory. Determining the amount of memory below
1MB next.
49
The amount of memory below 1MB has been found and verified.
Determining the amount of memory above 1MB memory next.
4B
The amount of memory above 1MB has been found and verified. Checking
for a soft reset and clearing the memory below 1MB for the soft reset next.
If this is a power on situation, going to checkpoint 4Eh next.
4C
The memory below 1MB has been cleared via a soft reset. Clearing the
memory above 1MB next.
4D
The memory above 1MB has been cleared via soft reset. Saving the memory
size next. Going to checkpoint 52h next.
4E
The memory test started, but not as the result of a soft reset. Displaying the
first 64KB memory size next.
4F
Memory size display started. This will be updated during memory test.
Performing the sequential and random memory test next.
50
Memory testing/initialization below 1MB completed. Going to adjust
displayed memory size for relocation and shadowing.
51
The memory size display was adjusted for relocation and shadowing.
Testing the memory above 1MB next.
52
The memory above 1MB has been tested and initialized. Saving the memory
size information next.
53
The memory size information and the CPU registers are saved. Entering
real mode next.
