Interrupt
|
Address |
Type
|
Description
|
00h |
0000:0000h |
Processor |
Divide by zero |
01h |
0000:0004h |
Processor |
Single step |
02h |
0000:0008h |
Processor |
Non maskable interrupt
(NMI) |
03h |
0000:000Ch |
Processor |
Breakpoint |
04h |
0000:0010h |
Processor |
Arithmetic overflow |
05h |
0000:0014h |
Software |
Print screen |
06h |
0000:0018h |
Processor |
Invalid op code |
07h |
0000:001Ch |
Processor |
Coprocessor not available |
08h |
0000:0020h |
Hardware |
System timer service
routine |
09h |
0000:0024h |
Hardware |
Keyboard device service
routine |
0Ah |
0000:0028h |
Hardware |
Cascade from 2nd programmable
interrupt controller |
0Bh |
0000:002Ch |
Hardware |
Serial port service -
COM post 2 |
0Ch |
0000:0030h |
Hardware |
Serial port service -
COM port 1 |
0Dh |
0000:0034h |
Hardware |
Parallel printer service
- LPT 2 |
0Eh |
0000:0038h |
Hardware |
Floppy disk service |
0Fh |
0000:003Ch |
Hardware |
Parallel printer service
- LPT 1 |
10h |
0000:0040h |
Software |
Video service routine |
11h |
0000:0044h |
Software |
Equipment list service
routine |
12h |
0000:0048H |
Software |
Memory size service routine |
13h |
0000:004Ch |
Software |
Hard disk drive service |
14h |
0000:0050h |
Software |
Serial communications
service routines |
15h |
0000:0054h |
Software |
System services support
routines |
16h |
0000:0058h |
Software |
Keyboard support service
routines |
17h |
0000:005Ch |
Software |
Parallel printer support
services |
18h |
0000:0060h |
Software |
Load and run ROM BASIC |
19h |
0000:0064h |
Software |
DOS loading routine |
1Ah |
0000:0068h |
Software |
Real time clock service
routines |
1Bh |
0000:006Ch |
Software |
CRTL - BREAK service
routines |
1Ch |
0000:0070h |
Software |
User timer service routine |
1Dh |
00000074h |
Software |
Video control parameter
table |
1Eh |
0000:0078h |
Software |
Floppy disk parameter
routine |
1Fh |
0000:007Ch |
Software |
Video graphics character
routine |
20h-3Fh |
0000:0080f - 0000:00FCh |
SOftware |
DOS interrupt points |
40h |
0000:0100h |
Software |
Floppy disk revector
routine |
41h |
0000:0104h |
Software |
hard disk drive C: parameter
table |
42h |
0000:0108h |
Software |
EGA default video driver |
43h |
0000:010Ch |
Software |
Video graphics characters |
44h |
0000:0110h |
Software |
Novel Netware API |
45h |
0000:0114h |
Software |
Not used |
46h |
0000:0118h |
Software |
Hard disk drive D: parameter
table |
47h |
0000:011Ch - |
Software |
Not used |
48h |
|
Software |
Not used |
49h |
0000:0124h |
Software |
Not used |
4Ah |
0000:0128h |
Software |
User alarm |
4Bh-63h |
0000:012Ch - |
Software |
Not used |
64h |
|
Software |
Novel Netware IPX |
65h-66h |
|
Software |
Not used |
67h |
|
Software |
EMS support routines |
68h-6Fh |
0000:01BCh |
Software |
Not used |
70h |
0000:01c0h |
Hardware |
Real time clock |
71h |
0000:01C4h |
Hardware |
Redirect interrupt cascade |
72h-74h |
0000:01C8h - 0000:01D0h |
Hardware |
Reserved - Do not use |
75h |
0000:01D4h |
Hardware |
Math coprocessor exception |
76h |
0000:01D8h |
Hardware |
Hard disk support |
77h |
0000:01DCh |
Hardware |
Suspend request |
78h-79h |
0000:01E0h - |
Hardware |
Not used |
7Ah |
|
Software |
Novell Netware API |
78h-FFh |
0000:03FCh |
Software |
Not used |