IBM 3301690 Manual Do Utilizador
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
2
Floppy disk (8-bit transfer)
3 Available
4
Cascade for DMA controller 1
5 Available
6 Available
7 Available
Table C-4: IRQ Mapping Table
155