HP Workstation x4000 hp workstation x4000 - Technical Reference manual - Windo - Page 63
Interrupt Controllers, Table 4-6, IRQ Routing Table, Device, Interrupt, ICH2 IRQ, P64H IRQ
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System BIOS and Resources System Resources Table 4-6 IRQ Routing Table Device 82550 LAN 53C1010R 53C1010R Zircon Interrupt A A B (All) ICH2 IRQ F H D H P64H IRQ Interrupt Controllers The system's interrupt controller is equivalent in function to two 82C59 interrupt controllers. The following table shows how the interrupts are connected to the APIC controller. The IRQs are numbered sequentially, starting with the master controller and followed by the slave (both of 82C59 type). I/O APIC Input INTIN0 INTIN1 INTIN2 INTIN3 INTIN4 INTIN5 INTIN6 INTIN7 INTIN8 INTIN9 INTIN10 INTIN11 INTIN12 INTIN13 INTIN14 IRQ ICH IRQ1 IRQ0 IRQ3 IRQ4 IRQ5 IRQ6 IRQ7 IRQ8 IRQ9 IRQ10 IRQ11 IRQ12 IRQ13 IRQ14 IRQ Description Super I/O keyboard controller ICH system timer Super I/O - Used by serial port if enabled Super I/O - Used by serial port if enabled Free if not used for parallel port or audio Super I/O - floppy disk controller Super I/O - LPT1 ICH - RTC Available for PCI devices Available for PCI devices Available for PCI devices Super I/O - mouse Coprocessor ICH - Integrated IDE Controller (primary) Chapter 4 63
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