75
3 System Board
Assigned Device Interrupts
Although the
Setup
program can be used to change some of the settings, the
following address map is not completely BIOS dependent, but is determined
partly by the operating system. Note that some of the interrupts are
allocated dynamically.
Interrupt Source
APIC Controller
Interrupt Signalling on
of
device
Input
(PIC mode)
Pentium 4
Bus
AGP: int A
Slot 1: int C
Slot 2: int A
Slot 3: int D
Slot 4: int C
Slot 5: int B
ICH2
INTA
INT
Pentium 4
bus
instruction
AGP: int B
Slot 1: int D
Slot 2: int B
Slot 3: int A
Slot 4: int D
Slot 5: int C
ICH2
INTB
INT
Pentium 4
bus
instruction
Slot 1: int A
Slot 2: int C
Slot 3: int B
Slot 4: int A
Slot 5: int D
ICH2
INTC
INT
Pentium 4
bus
instruction
Slot 1: int B
Slot 2: int D
Slot 3: int C
Slot 4: int B
Slot 5: int A
ICH2
INTD
INT
Pentium 4
bus
instruction
Device on Primary IDE Channel
ICH2
IRQ14
INT
Pentium 4
bus
instruction
Device on Secondary IDE Channel
ICH2
IRQ15
INT
Pentium 4
bus
instruction
Serial Interrupt from Super I/O
ICH2
SERIRQ
INT
Pentium 4
bus
instruction
Summary of Contents for Vectra VL800
Page 1: ...hp vectra vl800 desktop minitower technical reference manual www hp com go vectrasupport ...
Page 26: ...26 1 VL800 Desktop Documentation ...
Page 44: ...44 2 VL800 Minitower Documentation ...
Page 122: ...122 6 HP BIOS BIOS Addresses ...
Page 138: ...138 7 Tests and Error Messages Error Message Summary ...