BIOS Setup Information
WEB-6681 SERIES
【
R1.0
】
User’s Manual
4-28
DIAG switch is on.
27
Any initialization before setting video mode to be done.
28
Going for monochrome mode and color mode setting.
2A
Bus initialization system, static, output devices will be done next, if present.
2B
Passing control to the video ROM to perform any required configuration
before the video ROM test.
2C
To look for optional video ROM and give control.
2D
The video ROM has returned control to BIOS POST. Performing any
required processing after the video ROM had control.
2E
Completed post-video ROM test processing. If the EGA/VGA controller is
not found, performing the display memory read/write test next.
2F
EGA/VGA not found. Display memory R/W test about to begin.
30
Display memory R/W test passed. Look for retrace checking next.
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.
Code
Description
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