ADLINK CoreModule 430 - Manual (Page 24)

Chapter 3 Hardware
18 Reference Manual CoreModule 430
Interrupt Channel Assignments
The interrupt channel assignments are shown in Table 3-2 .
Legend: D = Default, O = Optional, X = Fixed
Table 3-2. Interrupt Channel Assignments
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 D
COM2 D O
COM3 O O O D
COM4 O O D O
Parallel O D
RTC X
IDE D
Math Coprocessor
(only in DX
processor) X
PS/2 Mouse X
PCI INTA Automatically Assigned
PCI INTB Automatically Assigned
PCI INTC Automatically Assigned
PCI INTD Automatically Assigned
USB Automatically Assigned
VGA Automatically Assigned
Ethernet Automatically Assigned
NOTE The IRQs for the Ethernet, Video, and Internal Local Bus (ISA) are
automatically assigned by the BIOS Plug and Play logic. Local IRQs assigned
during initialization can not be used by external devices.
Table 3-3. DMA Map
DMA # Use
0-1, 5, 6, 7 Direct Memory Access
3 LPT 1, only in ECP mode (configurable)
4 DMA 1 cascade