4-36
BIOS Setup Information
32
Alternate display memory R/W test passed. Looking 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, 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.
43
Entered protected mode. Enabling interrupts for diagnostics
mode.
44
Interrupts enabled if the diagnostics switch is on. Initializing
data to check memory wraparound at 0:0.
45
Data initialized. Checking for memory wraparound at 0:0 and
finding the total system memory size.
46
The memory wraparound test has completed. The memory
size calculation has been done. Writing patterns to test
memory.
47
The memory pattern has been written to extended memory.
Writing patterns to the base 640kB memory test.
48
Patterns written in base memory. Determining the amount of
memory below 1MB.
49
The amount of memory below 1MB has been found and
verified. Determining the amount of memory above 1MB
memory.
Code
Description
(Continued)