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80 XVR16*4th Generation Intel® Core™ i7 Based Rugged VME Single Board Computer
Publication No.
500-9300007876-000
Rev. C.0
7.2.2 Interrupts
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 7-3 Interrupt Assignments
Hardware IRQ
IRQ Source
INTC1
IRQ00
System Timer
IRQ01
Keyboard
a
IRQ02
Cascade from INTC2
IRQ03
COM2
b
IRQ04
COM1
b
IRQ05
GPIO0-11
IRQ06
Timers 1 and 2
IRQ07
COM3
b
IRQ08
Real Time Clock
IRQ09
Power
Management Control
IRQ10
COM4
b
IRQ11
PnP/PCI
b
IRQ12
PS/2 Mouse
a
IRQ13
Numeric Coprocessor
IRQ14
External IDE
c
IRQ15
Onboard IDE
d
NMI
Parity Error,
ECC Error
System Error
a
Emulated interrupt from USB keyboard/mouse.
b
Interrupts are available for Plug and Play PCI devices
c
This interrupt is available for other devices when the primary IDE is disabled in SETUP or when IDE is configured to native
PCI-mode.
d
This interrupt is available when the secondary IDE is disabled in SETUP or when IDE is configured to native PCI mode.