Appendix CIRQThe factory-set interrupt requests is listed below. Find an appropriate one to install an optionaldevice.IRQ Peripheral Device (Controller)0 System timer1 –2 –3 COM2 serial port4 COM1 serial port5 –6 –7 PCI8 Real-time clock9 ACPI Compliant System10 –11 SMBUS12 –13 Numeric processor14 –15 –16 LAN1, LAN217 AHCI18 PCI, VGA19 PCI, IDE20 USB21 USB22 USB