
KTD-S0001-C Page 44 Appendix A: System Resources
JRexplus LX User's Guide
Appendix A: System Resources
A.1 Interrupt Request (IRQ) Lines
Please ensure that the chosen interrupt is not already in use by PCI devices.
IRQ # Used for Available Comment
0 Timer 0 No
1 Keyboard No
2 8259 Slave (Cascade) No
3 Serial Port 2 (COM2) No Note (1)
4 Serial Port 1 (COM1) No Note (1)
5 PCI IRQ for PCI Dynamic (BIOS default)
6 Floppy Controller No Note (1)
7 Parallel Port 1 (LPT1) No Note (1)
8 Real Time Clock (RTC) No
9 ACPI Power Management No Note (2)
10 PCI IRQ for PCI Dynamic (BIOS default)
11 PCI IRQ for PCI Dynamic (BIOS default)
12 PS/2 Mouse No Note (1)
13 Floating Point Unit (FPU) No
14 P-ATA Controller (Primary) No Note (1)
15 P-ATA Controller (Secondary) No
Note (3)
Note: 1) If the Used for device is disabled in the BIOS Setup the corresponding interrupt is free.
2) Not available if ACPI is used.
3) Not usable in Windows
®
, since a PCI P-ATA controller uses always two channels.
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