Instruction Manual
9
4B
Amount of memory above 1M found and verified. Check for soft reset
and going to clear memory below 1M for soft reset.
4C
Memory below 1M cleared. Going to clear memory above 1M.
4D
Memory above 1M cleared. Going to save memory size.
4E
Memory test started. About to display the first 64K memory size.
4F
Memory size display started. This will be updated during memory
test. Going for sequential and random memory test.
50
Memory testing/initialization below 1M complete. Going to adjust
display memory size for relocation/shadow.
51
Memory size display adjusted due to relocation/shadow. Memory test
above 1M to follow.
52
Memory testing/initialization above 1M complete. Going to save
memory size information.
53
Memory size information is saved. CPU registers are saved. Going to
enter in real mode.
54
Shutdown successful, CPU in real mode. Going to disable gate A20
line and disable parity/NMI.
57
A20 address line, parity/NMI disable successful. Going to adjust
memory size depending on relocation/shadow.
58
Memory size adjusted for relocation/shadow. Going to clear. Hit
<DEL> message.
59
Hit <DEL> message cleared. <WAIT...> message displayed. About to
start DMA and interrupt controller test.
60
DMA page register test passed. To do DMA#1 base register test.
62
DMA#1 base register test passed. To do DMA#2 base register test.
65
DMA#2 base register test passed. To program DMA unit 1 and 2.
66
DMA unit 1 and 2 programming over. To initialize 8259 interrupt
controller.
67
8259 initialization over.
7F
Extended NMI sources enabling is in progress.