Interrupt channel assignments (irqs), Table 3-1, Interrupt channel (irqs) assignments (typical) – ADLINK ETX-PVR User Manual
Page 27
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Chapter 3
Hardware
ETX-PVR
Reference Manual
21
Interrupt Channel Assignments (IRQs)
The interrupt channel assignments are listed in
.
Legend: D = Default, O = Optional, X = Fixed
Table 3-1. Interrupt Channel (IRQs) Assignments (Typical)
Device vs IRQ No.
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Timer X
Keyboard
X
Secondary Cascade
X
COM1
O D
COM2
D O
Floppy
D
Parallel
O
D
RTC
X
IDE
D
Math Coprocessor
X
PS/2 Mouse
X
HD Audio CODEC
D
PCI INTA
Automatically Assigned
PCI INTB
Automatically Assigned
PCI INTC
Automatically Assigned
PCI INTD
Automatically Assigned
USB
Automatically Assigned
Video
Automatically Assigned
Ethernet
Automatically Assigned
NOTE
The IRQs for the Ethernet, Video, USB, and PCI are automatically assigned by
the BIOS Plug and Play logic. Local IRQs assigned during initialization can not
be used by external devices.