User`s manual

SHB108 LAG1156 Full-Size SBC User’s Manual
Hardware Description
35
4.5 Interrupt Controller (IRQ) Map
The SHB108 Series is a 100% PC compatible control board. It consists
of 16 interrupt request lines, and four out of them can be programmable.
The mapping list of the 16 interrupt request lines is shown as the
following table.
IRQ
Parity check error
IRQ0
System Timer Output
IRQ1
Keyboard
IRQ2
Interrupt rerouting from IRQ8 through IRQ15
IRQ3
Serial port #2
IRQ4
Serial port #1
IRQ5
PCI Device Share
IRQ6
Floppy Disk Controller
IRQ7
Parallel port
IRQ8
Real time clock
IRQ9
ACPI Controller
IRQ10
PCI Device Share
IRQ11
PCI Device Share
IRQ12
PS/2 Mouse
IRQ13
Math coprocessor
IRQ14
SATA Primary (Legacy Mode)
IRQ15
SATA Secondary (Legacy Mode)
3C0-3CF
EGA card
3D0-3DF
CGA card
3F6
Forward to SATA(SATA Controller)
3F8-3FF
Serial port #1 (COM1)
2F8-2FF
Serial port #2 (COM2)