HP Vectra VL 5/xxx HP Vectra VL 5/xxX Series 3 PC - User’s Guide - Page 88

KIRQs, DMAs, and I/O Addresses Used

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# $ K + IRQs, DMAs, and I/O Addresses Used IRQs used by PC* DMAs used by PC I/O Addresses used by PC 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 free if the mouse is disabled in SETUP processor integrated IDE hard disk drive controller free if not used by second IDE controller DMA 0 DMA 1 DMA 2 DMA 3 DMA 4 DMA 5 DMA 6 DMA 7 free free if not used for parallel port in SETUP flexible disk drive controller free used to cascade DMA channels 0-3 free free free 170h - 177h 1F0h - 1F7h 278h - 27Fh 2E8h - 2EFh 2F8h - 2FFh 3B0h - 3DFh 376h - 377h 378h - 37Fh 3E8h - 3EFh 3F0h - 3F7h 3F8h - 3FFh second IDE controller integrated IDE hard disk controller parallel port 2 serial port 4 serial port 2 integrated video graphics controller second IDE controller parallel port 1 serial port 3 integrated flexible disk controller serial port 1 *The IRQ, DMA, and I/O address mapping 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 usage of IRQs, DMAs, and I/O addresses by your PC, type MSD at the MSDOS prompt. # IRQs.DMAs.andI.OAddressesUsed.5 $ IRQs, DMAs, and I/O Addresses Used K IRQs, DMAs, and I/O Addresses Used;Interrupt Request Channels;DMA Channels;I/O addresses + SECTION1:0005 HP Vectra VL5 PC User's Guide - Part 2Error! No text of specified style in document. • 88

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HP Vectra VL5 PC User's Guide - Part 2
Error! No text of specified style in document.
88
#
$
K
+
IRQs, DMAs, and I/O Addresses Used
IRQs used
by PC*
IRQ0
system timer
IRQ1
keyboard
IRQ2
system cascade
IRQ3
free if not used for serial port
IRQ4
free if not used for serial port
IRQ5
free if not used for parallel port
IRQ6
flexible disk drive controller
IRQ7
free if not used for parallel port
IRQ8
real-time clock
IRQ9
available for PCI devices, if not used by ISA board
IRQ10
available for PCI devices, if not used by ISA board
IRQ11
available for PCI devices, if not used by ISA board
IRQ12
free if the mouse is disabled in SETUP
IRQ13
processor
IRQ14
integrated IDE hard disk drive controller
IRQ15
free if not used by second IDE controller
DMAs used
by PC
DMA 0
free
DMA 1
free if not used for parallel port in SETUP
DMA 2
flexible disk drive controller
DMA 3
free
DMA 4
used to cascade DMA channels 0-3
DMA 5
free
DMA 6
free
DMA 7
free
I/O
Addresses
used by PC
170h - 177h
second IDE controller
1F0h - 1F7h
integrated IDE hard disk controller
278h - 27Fh
parallel port 2
2E8h - 2EFh
serial port 4
2F8h - 2FFh
serial port 2
3B0h - 3DFh
integrated video graphics controller
376h - 377h
second IDE controller
378h - 37Fh
parallel port 1
3E8h - 3EFh
serial port 3
3F0h - 3F7h
integrated flexible disk controller
3F8h - 3FFh
serial port 1
*The IRQ, DMA, and I/O address mapping 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 usage of IRQs, DMAs, and I/O addresses by your PC, type MSD at the MS-
DOS prompt.
#
IRQs.DMAs.andI.OAddressesUsed.5
$
IRQs, DMAs, and I/O Addresses Used
K
IRQs, DMAs, and I/O Addresses Used;Interrupt Request Channels;DMA Channels;I/O
addresses
+
SECTION1:0005