|
Code |
Meaning |
|
NMI disabled & 286 reg. test about to start |
|
|
02 |
286 register test over |
|
03 |
ROM checksum OK |
|
04 |
8259 initialization OK |
|
05 |
CMOS pending interrupt disabled |
|
06 |
Video disabled & system timer counting OK |
|
07 |
CH-2 of 8253 test OK |
|
08 |
CH-2 delta count test OK |
|
09 |
CH-1 delta count test OK |
|
0A |
CH-0 delta count test OK |
|
0B |
Parity status cleared |
|
0C |
Refresh & system timer OK |
|
0D |
Refresh link toggling OK |
|
0E |
Refresh period ON/OFF 50% OK |
|
Confirmed refresh ON & about to start 64K memory |
|
|
11 |
Address line test OK |
|
12 |
64K base memory test OK |
|
13 |
Interrupt vectors initialized |
|
14 |
8042 keyboard controller test OK |
|
15 |
CMOS read/write test OK |
|
16 |
CMOS checksum/battery check OK |
|
17 |
Monochrome mode set OK |
|
18 |
Colour mode set OK |
|
19 |
About to look for optional video ROM |
|
1A |
Optional video ROM control OK |
|
1B |
Display memory read/write test OK |
|
1C |
Display memory read/write test for alt display OK |
|
1D |
Video retrace check OK |
|
1E |
Global equipment byte set for video OK |
|
1F |
Mode set call for Mono/Colour OK |
|
Video test OK |
|
|
21 |
Video display OK |
|
22 |
Power on message display OK |
|
Virtual mode memory test about to begin |
|
|
31 |
Virtual mode memory test started |
|
32 |
Processor in virtual mode |
|
33 |
Memory address line test in progress |
|
34 |
Memory address line test in progress |
|
35 |
Memory below 1MB calculated |
|
36 |
Memory size computation OK |
|
37 |
Memory test in progress |
|
38 |
Memory initialization over below 1MB |
|
39 |
Memory initialization over above 1MB |
|
3A |
Display memory size |
|
3B |
About to start below 1MB memory test |
|
3C |
Memory test below 1MB OK |
|
3D |
Memory test above 1MB OK |
|
3E |
About to go to real mode (shutdown) |
|
3F |
Shutdown successful and entered in real mode |
|
About to disable gate A-20 address line |
|
|
41 |
Gate A-20 line disabled successfully |
|
42 |
About to start DMA controller test |
|
4E |
Address line test OK |
|
4F |
Processor in real mode after shutdown |
|
DMA page register test OK |
|
|
51 |
DMA unit-1 base register test about to start |
|
52 |
DMA unit-1 channel OK; about to begin CH-2 |
|
53 |
DMA CH-2 base register test OK |
|
54 |
About to test f/f latch for unit-1 |
|
55 |
f/f latch test both unit OK |
|
56 |
DMA unit 1 & 2 programmed OK |
|
57 |
8259 initialization over |
|
58 |
8259 mask register check OK |
|
59 |
Master 8259 mask register OK; about to start slave |
|
5A |
About to check timer and keyboard interrupt level |
|
5B |
Timer interrupt OK |
|
5C |
About to test keyboard interrupt |
|
5D |
ERROR! timer/keyboard interrupt not in proper level |
|
5E |
8259 interrupt controller error |
|
5F |
8259 interrupt controller test OK |
|
Start of keyboard test |
|
|
71 |
Keyboard BAT test OK |
|
72 |
Keyboard test OK |
|
73 |
Keyboard global data initialization OK |
|
74 |
Floppy setup about to start |
|
75 |
Floppy setup OK |
|
76 |
Hard disk setup about to start |
|
77 |
Hard disk setup OK |
|
79 |
About to initialize timer data area |
|
7A |
Verify CMOS battery power |
|
7B |
CMOS battery verification done |
|
7D |
About to analyze diagnostic test results for memory |
|
7E |
CMOS memory size update OK |
|
7F |
About to check optional ROM C000:0 |
|
Keyboard sensed to enable setup |
|
|
81 |
Optional ROM control OK |
|
82 |
Printer global data initialization OK |
|
83 |
RS-232 global data initialization OK |
|
84 |
80287 check/test OK |
|
85 |
About to display soft error message |
|
86 |
About to give control to system ROM E000:0 |
|
87 |
System ROM E000:0 check over |
|
00 |
Control given to Int-19; boot loader |
