3301690 CPU Card
C.3 IRQ Mapping Table
IRQ0 System Timer IRQ8 RTC clock
IRQ1 Keyboard IRQ9 ACPI
IRQ2 Available IRQ10 LAN
IRQ3 COM2 IRQ11 LAN/USB2.0/SATA
IRQ4 COM1 IRQ12 PS/2 mouse
IRQ5 SMBus Controller IRQ13 FPU
IRQ6 FDC IRQ14 Primary IDE
IRQ7 Available IRQ15 Secondary IDE
Table C-3: IRQ Mapping Table
C.4 DMA Channel Assignments
Channel Function
0 Available
1 Available
2Floppy disk (8-bit transfer)
3 Available
4Cascade for DMA controller 1
5 Available
6 Available
7 Available
Table C-4: IRQ Mapping Table
155