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POST
DESCRIPTION
CODE
4E
Memory test started. A soft reset was not done. Displaying the first 64KB
memory size next.
4F
The memory size display has started and will be updated during memory test.
The sequential and random memory tests will be performed next.
50
Memory testing and initialization for the memory below 1MB is complete.
Adjust the displayed memory size for memory relocation and shadowing next.
51
The memory size display was adjusted because of memory relocation and
shadowing. The test of the memory above 1MB will be done next.
52
The testing and initialization of the memory above 1MB complete. Going to
save the memory size information.
53
The memory size information is saved. The CPU registers are saved. Entering
real mode next.
54
The shutdown was successfull and the CPU is in real mode. Disabing the Gate
A20 line and parity/NMI next.
57
The Gate A20 address line and parity/NMI disable was successful. Going to
adjust the memory size depending on the memory relocation and/or shadowing
parameters.
58
The memory size has been adjusted for memory relocation and/or shadowing.
Clearing the Hit <DEL> message next.
59
The Hit <DEL> message has been cleared. The WAIT... message is being
displayed. About to start the DMA and interrupt controller tests.
60
DMA page register test passed. The DMA controller 1 base register test is next.
62
The DMA controller 1 base register test passed. Starting the DMA controller 2
base register test next.
65
The DMA controller 2 base register test passed. Programming DMA controllers
1 and 2 next.
66
DMA controllers 1 and 2 have been programmed. Initializing the 8259
interrupt controllers next.
67
8259 initialization over.
7F
Extended NMI sources enabling is in progress.
80
The Keyboard test has started. Clearing the output buffer and checking for
stuck keys. The Keyboard reset command will be issued next.
81
A Keyboard reset error or stuck key was found. Issuing the Keyboard controller
interface test command next.
82
The Keyboard controller interface test completed. About to write the command
byte and initialize the circular buffer.
83
The Keyboard command byte is written and global data initiliazation complete.
Checking for a locked Keyboard next.
Post Codes & Error Codes
F-5
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