Table 20: Interrupt Assignments; Interrupts - GE VR11 Reference Manual

Interrupts

GE Intelligent Platforms – VR11, VP11 Hardware Reference Manual, Second Edition
The interrupt routing for standard components such as COM1/2 is in
compliance with standard PC/AT systems. Unused interrupts can be used for
add-on cards or other board specific PCI devices such as SCSI and Ethernet.

Table 20: Interrupt assignments

Hardware IRQ
INTC1
IRQ00
IRQ01
IRQ02
IRQ03
IRQ04
IRQ05
IRQ06
IRQ07
INTC2
IRQ08
IRQ09
IRQ10
IRQ11
IRQ12
IRQ13
IRQ14
IRQ15
NMI
a
. Emulated interrupt from USB keyboard/mouse.
b
. Interrupts are available for Plug and Play PCI devices
d
. This interrupt is available for other devices when the primary IDE is disabled
in SETUP or when IDE is configured to 'native PCI' mode.
e
. This interrupt is available when the secondary IDE is disabled in SETUP or
when IDE is configured to 'native PCI' mode.
IRQ Source
System Timer
a
Keyboard
Cascade from INTC2
b
COM2 / COM1
b
COM1 / COM2
Real Time Clock
Power Management Contr.
b
PnP/PCI
b
PnP/PCI
a
PS/2 Mouse
Numeric Coprocessor
d
External IDE
e
Onboard IDE
Parity Error,
ECC Error,
System Error
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