Direct Memory Access (Dma) Channels - Kontron ETXexpress-WPM User Manual

8259 PIC Mode
IRQ # Used For
0 Timer0
1 Keyboard
2 Slave 8259
3 COM2
4 COM1
5 LPT2
6 Floppy Drive Controller No
7 LPT1
8 RTC
9 SCI
10 COM3
11 COM4
12 PS/2 Mouse
13 FPU
14 IDE0
15 IDE1
Notes:
1 If the "Used For" device is disabled in setup, the corresponding interrupt is available for other
devices.
2 Unavailable if baseboard is equipped with an I/O controller SMC FDC37C669, and the device is
enabled in setup.
3 Used as System Control Interrupt (SCI) in ACPI mode. The SCI is a shareable interrupt, so
IRQ9 can only be used for the PCI bus. The ISA bus does not support it.
4 IRQs are available if the IDE controller is either disabled in setup or if in Native IDE mode.

Direct Memory Access (DMA) Channels

DMA # Used for
0
1
2 FDC
3 LPT
4 Cascade
5
6
7
page 46
Available Comment
No
No
No
No
No
Yes
No
No
Yes
Yes
Yes
No
No
No
No
Available Comment
Yes
Yes Unavailable if AC97 Sound controller enabled
No If the "used-for" device is disabled in setup, the
corresponding DMA channel is available for other
devices.
Yes Unavailable if LPT is used in ECP mode.
No
Yes
Yes
Yes
Note (1)
Note (1)
Note (2)
Note (1)
Note (1)
Note (3)
Note (2)
Note (2)
Note (1)
Note (1)
Note (1)
ETXexpress-WPM User's Guide