Appendix CIRQ and I/O Port AddressThe factory-set interrupt requests and I/O port addresses are listed below. Find an appropriate oneto install an optional device.Interrupt RequestThe factory-set IRQs are assigned as follows:IRQ Peripheral Device (Controller) IRQ Peripheral Device (Controller)0 System timer 8 Real-time clock1 Keyboard 9 PCI/SCI2 Cascaded connection 10 PCI3 COM B serial port (PCI) 11 BMCIRQ/PCI4 COM A serial port (PCI) 12 Mouse5 PCI/LPT2 parallel port 13 Numeric processor6 Floppy disk 14 Primary IDE (DVD-ROM drive)7 LPT1 parallel port 15 PCI
