Appendix C; Irq And I/O Port Address - NEC Express5800 140Rd-4 User Manual

Appendix C

IRQ and I/O Port Address

The factory-set interrupt requests and I/O port addresses are listed below. Find an appropriate one to install an optional
device.
Interrupt Request
The factory-set IRQs are assigned as follows:
IRQ Peripheral Device (Controller)
0 System timer
1 Keyboard
2 Cascaded connection
3 COM B serial port (PCI)
4 COM A serial port (PCI)
5 PCI/LPT2 parallel port
6 Floppy disk
7 LPT1 parallel port
IRQ Peripheral Device (Controller)
8 Real-time clock
9 PCI/SCI
10 PCI
11 BMCIRQ/PCI
12 Mouse
13 Numeric processor
14 Primary IDE (CD-ROM drive)
15 PCI