Kontron ETX-DC - Manual (Page 46)

ETX-DC®/ System Resources
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8.1.2 In APIC mode
IRQ # Used For Available Comment
0 Timer0 No
1 Keyboard No
2 Slave 8259 No
3 COM2 No Note (1)
4 COM1 No Note (1)
5 PCI/LPT2 Yes Note (2)
6 Floppy Drive Controller No Note (1)
7 LPT1 No Note (1)
8 RTC No
9 SCI No System Control Interrupt (3)
10 COM3 Yes Note (2)
11 COM4 Yes Note (2)
12 PS/2 Mouse No Note (1)
13 FPU No
14 IDE0 No Note (4)
15 IDE1 No Note (4)
16 PIRQ[A] For PCI PCI IRQ line 1 + Graphics controller + HD Audio Controller +
secondary IDE
17 PIRQ[B] For PCI PCI IRQ line 2 + AC97 Audio controller
18 PIRQ[C] For PCI PCI IRQ line 3 + USB UCHI controller #3 + SATA (native mode)
19 PIRQ[D] For PCI PCI IRQ line 4 + USB UCHI controller #2 + IDE (native mode)
20 PIRQ[E] No Lan Controller
21 PIRQ[F] No
22 PIRQ[G] No
23 PIRQ[H] No USB EHCI controller, USB UCHI controller #1
Note: 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 Unavailable in Advanced Configuration and Power Interface (ACPI) mode. Used as System
Control Interrupt (SCI) in ACPI mode. Currently not free in Non-ACPI mode.
4 IRQs are available if IDE controller is either disabled in setup or if in Native IDE mode.
8.1.3 Direct Memory Access (DMA) Channels
DMA # Used for Available Comment
0 No
1 No
2 FDC No If the “used-for” device is disabled in setup, the corresponding DMA channel is
available for other devices.
3 LPT No Unavailable if LPT is used in ECP mode.
4 Cascade No
5 No
6 No
7 No