HP Vectra Technical Reference Manual page 20

Address Int Function
Type* Service Routine**
08C-08FH
23 DOS
<
CTRL > -
<
Break>
Address SW DOS
090-093H
24 DOS Critical Error SW DOS
094-097H
25 DOS Absolute Disc Read SW DOS
098-09BH
26 DOS Absolute Disc Write SW DOS
09C-09FH
27 DOS Terminate Stay Resident SW DOS
OAO-OCBH
28-32 Reserved for DOS SW DOS
OCC-OCFH
33 HP Mouse SW EX-BIOS (DRVR)
OOO-OFFH
34-3F Reserved for DOS SW DOS
100-103H
40
Alternate Diskette
SW
STD-BIOS
104-107H
41
Hard Disc Parameter Table (0)
PT STD-BIOS
108-117H
42-45 Reserved SW STD-BIOS
118-11BH
46 Hard Disc Parameter Table (1 ) PT STD-BIOS
11C-17FH
47-5F Reserved SW STD-BIOS
180-19FH
60-67 Reserved for User Programs SW N/A
1AO-1A3H
68 8041 Service Request ISR HW EX-BIOS
1A4-1A7H
69 Keyboard OBF ISR HW EX-BIOS
1A8-1ABH
6A Reserved
HW
EX-BIOS
1AC-1AFH
6B Reserved HW EX-BIOS
1BO-1 B3H
6C HP-HIL Controller ISR HW EX-BIOS
1B4-1B7H
6D Reserved HW EX-BIOS
1B8-1BBH
6E Reserved
HW
EX-BIOS
1BC-1BFH
6F EX-BIOS Entry Point SW EX-BIOS
(DRVR)
1CO-1C3H
70
Real-time Clock ISR
(IRQ 8) HW
STD-BIOS
1C4-1C7H
71 SW Redirected (IRQ 9) HW
STD-BIOS
1C8-1CBH
72 Reserved (IRQ 10) HW
STD-BIOS
(UI)
1CC-1CFH
73 Reserved (IRQ 11) HW STD-BIOS
(UI)
100-1 03H
74 Reserved (IRQ 12) HW STD-BIOS
(UI)
104-107H
75 Coprocessor (IRQ 13) HW
STD-BIOS
108-10BH
76 Hard Disc ISR (IRQ 14)
HW
STD-BIOS
(UI)
1OC-1 OFH
77 Reserved (IRQ 15) HW STD-BIOS
(UI)
1EO-1FFH
78-7F Not Used SW N/A
200-3C3H
80-FO Reserved SW N/A
3C4-3FFH
F1-FF Not Used SW N/A
*
PI-Processor interrupt
HW-Hardware interrupt
SW-Software interrupt
PT-Interrupt vector used as pointer to data.
N/A-Not applicable
**
UI-Unused interrupt ISR
IRET-Interrupt returned
DRVR-Application callable entry point
ROM BIOS Overview 11