HP Vectra VE 5/xxx HP Vectra VE 5/xx Series 2, User's Guide - Page 111

6 Technical Information Specifications IRQs, DMAs, and I/O Addresses Used by Your PC IRQs used by PC The IRQ, DMA, and I/O address mappings shown here are for a PC with a basic configuration. The resources used by your PC may vary, depending upon which accessory boards are bundled with the PC. For information on current use of IRQs, DMAs, and I/O addresses by your PC, type MSD at the MS-DOS prompt, (Windows 3.11) or use the Device Manager (Windows 95.) IRQ0 IRQ1 IRQ2 IRQ3 IRQ4 IRQ5 IRQ6 IRQ7 IRQ8 IRQ9 IRQ10 IRQ11 IRQ12 IRQ13 IRQ14 IRQ15 system timer keyboard system cascade free if not used for serial port free if not used for serial port free if not used for parallel port flexible disk drive controller free if not used for parallel port real-time clock available for PCI devices, if not used by ISA board available for PCI devices, if not used by ISA board available for PCI devices, if not used by ISA board mouse processor integrated IDE hard disk drive controller free if not used by second IDE controller DMAs used by PC DMA 0 DMA 1 DMA 2 DMA 3 DMA 4 DMA 5 DMA 6 DMA 7 free if not used for parallel port in Setup free if not used for ECP parallel port in Setup flexible disk drive controller free used to cascade DMA channels 0-3 free free free I/O Addresses used by PC 170h - 177h, 376h IDE secondary channel 1F0h - 1F7h, 3F6h IDE primary channel 278h - 27Fh parallel port 2E8h - 2EFh serial port 2F8h - 2FFh serial port 370h - 371h integrated I/O controller 378h - 37Fh parallel port 3B0h - 3DFh integrated video graphics controller 3E8h - 3EFh serial port 3F0h - 3F5h, 3F7h integrated flexible disk controller 3F8h - 3FFh serial port 496h - 497h HP reserved 678h - 67Bh parallel port if ECP mode is selected 778h - 77Bh parallel port if ECP mode is selected English 99