HP Workstation x2000 hp workstation x2000 - Technical Reference and Troublesho - Page 94

HP BIOS BIOS Addresses 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 INTIN15 INTIN16 INTIN17 INTIN18 INTIN19 INTIN20 INTIN21 INTIN22 INTIN23 IRQ ICH IRQ1 IRQ0 IRQ3 IRQ4 IRQ5 IRQ6 IRQ7 IRQ8 IRQ9 IRQ10 IRQ11 IRQ12 IRQ13 IRQ14 IRQ15 PCINTA PCINTB PCINTC PCINTD TFPC IRQ SCI IRQ not connected ICH SMI (not used) 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) ICH - Integrated IDE Controller (secondary) Three major interrupt modes are available: • PIC mode: This mode uses only legacy interrupt controllers, so the system can support only one processor. You can select this mode when you install Windows NT. 94 Chapter 3