Irqs (Interrupt Request Lines); Table B-2. Irqs (Interrupt Request Lines) - HP VXI Pentium 75000 Series Hardware Installation And Configuration Manual

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IRQs (Interrupt Request Lines)

Appendix B

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Table B-2. IRQs (Interrupt Request Lines)

Interrupt

IRQ0

Timer

IRQ1

Keyboard Controller

IRQ2

Cascade Interrupt Input

IRQ3

COM2 (Not externally available)

Use for second HP-22 on Windows 95

IRQ4

COM1

IRQ5

ECP Printer Port (LPT1)

Use for second HP-22 on Windows NT

IRQ6

3.5-inch Disk Drive

IRQ7

Reserved for HP-22

IRQ8

Real-time Clock

IRQ9

VXI Interface Chip

IRQ10

VXI Interface Chip

IRQ11

SCSI

IRQ12

Mouse

IRQ13

Numeric Co-processor

IRQ14

IDE

IRQ15

Ethernet

NMI

EXMbus I/O Channel Check Asserted

SMI

Power Management

INTA

VGA (not mapped)

INTB

Ethernet (mapped to IRQ15)

INTC

SCSI (mapped to IRQ11)

INTD

VXI Interface Chip (mapped to IRQ9)

I/O, Memory, and IRQ Details

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Irqs (Interrupt Request Lines); Table B-2. Irqs (Interrupt Request Lines) - HP VXI Pentium 75000 Series Hardware Installation And Configuration Manual

IRQs (Interrupt Request Lines)

Table B-2. IRQs (Interrupt Request Lines)

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