PORT 80 CODES (continued)
Code
Description
32
Alternate display memory read/write test passed. About to look for the
alternate display retrace checking.
34
Video display checking over. Display mode to be set next.
37
Display mode set. Going to display the power-on message.
38
Different Buses init (input, IPL, general devices) to start if present.
(See end of Port 80H Codes for details of different Buses.)
39
Display different Buses initialization error messages.
(See end of Port 80H Codes for details of different Buses.)
3A
New cursor position read and saved. Going to display "Hit <DEL>"
message.
3B
"Hit <DEL>" message displayed. The virtual mode memory test about
to start.
40
Going to prepare the descriptor tables.
42
Descriptor tables prepared. Going to enter in virtual mode for memory
test.
43
Entered virtual mode. Going to enable interrupts for diagnostics mode.
44
Interrupts enabled (if diagnostics switch is on). Going to initialize data to
check memory wraparound at 0:0.
45
Data initialized. Going to check for memory wraparound at 0:0 and find
the total system memory size.
46
Memory wraparound test done. Memory size calculation over. About
to go for writing patterns to test memory.
47
Pattern to be tested written in extended memory. Going to write patterns
in base 640KB memory.
48
Patterns written in base memory. Going to find out amount of memory
below 1MB memory.
49
Amount of memory below 1MB found and verified. Going to find out
amount of memory above 1MB memory.
4B
Amount of memory above 1MB found and verified. Check for soft
reset and going to clear memory below 1MB for soft reset. (If power-on,
go to checkpoint 4EH.)
4C
Memory below 1MB cleared. (SOFT RESET)
Going to clear memory above 1MB.
BIOS MESSAGES
A-10
TECHNICAL REFERENCE
Summary of Contents for SB586TCP/166
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Page 11: ...SPECIFICATIONS TECHNICAL REFERENCE 1 3...
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Page 94: ...This page intentionally left blank ADVANCED SETUP 5 18 TECHNICAL REFERENCE...
Page 106: ...This page intentionally left blank PERIPHERAL SETUP 7 8 TECHNICAL REFERENCE...
Page 122: ...This page intentionally left blank BIOS MESSAGES A 16 TECHNICAL REFERENCE...
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