7
AP PEN DIX B - In ter rupt Map
No.
Ad dress
Type
De scrip tion
0
00
CPU
Di vide by 0
1
04
CPU
Sin gle Step
386 De bug Ex cep tion
2
08
CPU
NMI
3
0C
CPU
Break point
4
10
CPU
Over flow
5
14
BIO
Print Screen
186
Bound Ex cep tion
6
18
186
In va lid op code ex cep tion
7
1C
186
Co proc es sor un avail able
8
20
Hard ware
IRQ0 - 18.2Hz heart beat
286
LIDT - Dou ble fault ex cep tion
9
24
Hard ware
IRQ1 - Key board in ter rupt
286
Co proc es sor seg ment
A
28
Hard ware
IRQ2 - XT Re served,
AT-Slaved Con trol ler
286
In va lid TSS ex cep tion
B
2C
Hard ware
IRQ3 - COM2
286
Seg ment not pres ent
C
30
Hard ware
IRQ4 - COM1
286
Stack fault ex cep tion
D
34
Hard ware
IRQ5 - XT Hard Disk, AT Free
286
Pro tec tion fault ex cep tion
E
38
Hard ware
IRQ6 - Floppy Disk In ter rupt
386
Page fault ex cep tion
F
3C
Hard ware
IRQ7 - LPT1
10
40
BIOS
Video BIOS func tions
286
Co proc es sor ex cep tion
11
44
BIOS
BIOS Equip ment check
486
Align ment check ex cep tion
12
48
BIOS
Mem ory Size func tion
13
4C
BIOS
BIOS Disk func tions
14
50
BIOS
BIOS se rial func tions
15
54
BIOS
Cas sette/pro tected mode
func tions
16
58
BIOS
Key board BIOS func tions
17
5C
BIOS
BIOS printer func tions
18
60
BIOS
SROM Ba sic En try point (IBM)
19
64
BIOS
Boot loader func tion
1A
68
BIOS
BIOS time of day func tions
1B
6C
BIOS
Key board break vec tor
1C
70
BIOS
User chained timer tick
1D
74
BIOS
Video Ini tiali za tion
1E
78
BIOS
Floppy Disk pa rame ter ta ble
1F
7C
BIOS
CGA graphic char ac ter font
030923
OPERATIONS MANUAL EBC-BX
Page 7 - 1
Summary of Contents for EBC-BX
Page 72: ...8 APPENDIX C EBC BX Parts Placement Guide Top 030923 OPERATIONS MANUAL EBC BX Page 8 1...
Page 73: ...EBC BX Parts Placement Guide Bottom Page 8 2 OPERATIONS MANUAL EBC BX 030923...
Page 74: ...9 APPENDIX D EBC BX Parts List...
Page 82: ...10 APPENDIX E EBC BX Mechanical Drawing...
Page 83: ......
Page 84: ...11 APPENDIX F WS16C48 I O Routines and Sample Program Listings...