Appendix C Irq And I/O Port Address - NEC Express5800 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 –
4 COM A
5 PCI
6 Floppy disk
7 PCI
IRQ Peripheral Device (Controller)
8 Real-time clock
9 Microsoft ACPI-Compliant System
10 Intel® 82801G (ICH7 Family)
SMBus Controller-27DA
11 PCI
12 Mouse
13 Numeric processor
14 Primary IDE
15 Secondary IDE