Interrupts; Dma Channels - Lippert Cool SpaceRunner LX800 Technical Manual

5.3 Interrupts

5.4 DMA Channels

TME-104P-CSR-LX800-R1V11.doc
IRQ
0 Timer
1 Keyboard
2 (Secondary interrupt controller)
3 Serial port 2
4 Serial port 1
5 PCI INTC#
6 (not used)
7 Parallel port
8 Real-time clock
9 ACPI (Environment controller)
10 PCI INTA# (Graphics, ethernet, AES)
11 PCI INTB# (Misc. CS5536 devices)
12 PS/2 mouse
13 Numeric coprocessor
14 Primary IDE channel
15 PCI INTD# (USB)
Note
Depending on the BIOS settings, it is possible to reserve several IRQs
for the PC/104 or PC/104 plus bus
DMA Data width
0 8 bits
1 8 bits
2 8 bits
3 8 bits
4
5 16 bits
6 16 bits
7 16 bits
System Resource
System Resource
Available
Parallel port (ECP mode)
Available
Available
Reserved, Cascade Channel
Available
Available
Available
Rev 1.11 49 (50)